{"id":24015,"date":"2025-07-07T12:00:00","date_gmt":"2025-07-07T12:00:00","guid":{"rendered":"https:\/\/www.doctoraso.es\/blog\/smooth-vs-textured-breast-implants-differences-risks-and-how-we-choose\/"},"modified":"2026-10-02T18:37:15","modified_gmt":"2026-10-02T18:37:15","slug":"smooth-vs-textured-breast-implants-differences-risks-and-how-we-choose","status":"publish","type":"post","link":"https:\/\/www.doctoraso.es\/en\/blog\/smooth-vs-textured-breast-implants-differences-risks-and-how-we-choose\/","title":{"rendered":"Smooth vs. Textured Breast Implants: Differences, Risks, and How We Choose"},"content":{"rendered":"<div class=\"wpb-content-wrapper\"><p>[vc_row][vc_column][vc_column_text]<\/p>\n<article class=\"aso-surfaces aso-surfaces--2026\">\n<header class=\"aso-surfaces__intro\">\n    <span class=\"aso-surfaces__eyebrow\">The implant shell matters, but it is never chosen in isolation<\/span><\/p>\n<p class=\"aso-surfaces__lead\"><strong>No smooth or textured breast implant is the best choice for every patient.<\/strong> Smooth and controlled-smooth surfaces now play a central role. Microtextured implants remain useful when we want more friction or stability, while polyurethane is reserved for very specific indications. The right choice also depends on shape, gel, volume, tissues, placement, and the precision of the pocket.<\/p>\n<div class=\"aso-surfaces__summary\" role=\"list\" aria-label=\"Summary of the main breast implant surfaces\">\n<article role=\"listitem\">\n        <span>Smooth<\/span><br \/>\n        <strong>Potential for more movement<\/strong><\/p>\n<p>It can provide a very natural feel and movement when the pocket and tissue coverage are appropriate.<\/p>\n<\/article>\n<article role=\"listitem\">\n        <span>Controlled smooth (nanotextured)<\/span><br \/>\n        <strong>SmoothSilk<\/strong><\/p>\n<p>This is the low-roughness surface we use with mia Femtech and Preserv\u00e9, and in some conventional augmentations when we want a more natural feel or movement.<\/p>\n<\/article>\n<article role=\"listitem\">\n        <span>Microtextured<\/span><br \/>\n        <strong>Some additional friction<\/strong><\/p>\n<p>It can provide stability in lax tissues, breast lifts, or with anatomical implants.<\/p>\n<\/article>\n<article role=\"listitem\">\n        <span>Polyurethane<\/span><br \/>\n        <strong>Highly selective use<\/strong><\/p>\n<p>We mainly reserve it for certain revision procedures and complex recurrent problems.<\/p>\n<\/article><\/div>\n<\/header>\n<section class=\"aso-surfaces__answer\" aria-labelledby=\"respuesta-superficies\">\n<div>\n      <span class=\"aso-surfaces__label\">The short answer<\/span><\/p>\n<h2 id=\"respuesta-superficies\">Are smooth or textured implants better?<\/h2>\n<p><strong>It depends on the problem we want to address and how we plan to perform the surgery.<\/strong> A smooth surface reduces rough interaction with the capsule, but requires very precise control of the implant pocket. A microtextured surface provides additional friction, which can help when tissues offer limited support. An aggressive texture is not simply \u201csafer\u201d because it holds more firmly: its biological response and complication profile are different.<\/p>\n<p>We therefore no longer recommend one surface for almost every patient, as we did years ago. We choose the complete combination of implant, anatomy, and technique.<\/p>\n<\/p><\/div>\n<aside>\n      <span>Our current approach<\/span><br \/>\n      <strong>The patient first, the surface second<\/strong><\/p>\n<p>The shell is an important variable, not an independent decision or a guarantee of a natural result or stability.<\/p>\n<\/aside>\n<\/section>\n<details class=\"aso-surfaces__toc\">\n<summary>Article contents<\/summary>\n<nav aria-label=\"Contents about smooth and textured breast implants\">\n      <a href=\"#que-es\">What the surface is<\/a><br \/>\n      <a href=\"#diferencias\">Differences between surfaces<\/a><br \/>\n      <a href=\"#decision\">Other decisions beyond the shell<\/a><br \/>\n      <a href=\"#anatomicas\">Anatomical implants and rotation<\/a><br \/>\n      <a href=\"#tacto\">Feel and movement<\/a><br \/>\n      <a href=\"#contractura\">Capsular contracture<\/a><br \/>\n      <a href=\"#linfoma\">Texture and BIA-ALCL<\/a><br \/>\n      <a href=\"#smoothsilk\">SmoothSilk and FDA approval<\/a><br \/>\n      <a href=\"#evidencia\">Large studies and their limitations<\/a><br \/>\n      <a href=\"#mia-preserve\">mia and Preserv\u00e9<\/a><br \/>\n      <a href=\"#protocolo\">How we choose in our practice<\/a><br \/>\n      <a href=\"#seguimiento\">Follow-up and warning signs<\/a><br \/>\n      <a href=\"#resultados\">Results and assessment<\/a><br \/>\n      <a href=\"#preguntas\">Frequently asked questions<\/a><br \/>\n    <\/nav>\n<\/details>\n<section class=\"aso-surfaces__section\" id=\"que-es\">\n    <span class=\"aso-surfaces__label\">Shell, gel, and shape are different things<\/span><\/p>\n<h2>What is an implant&#8217;s surface or shell?<\/h2>\n<p>In a silicone breast implant, the shell is the outer layer of silicone elastomer that contains the cohesive gel. Manufacturers usually build it in several layers. The outside of the shell can have different degrees of roughness, from a smooth surface to coatings that interact much more strongly with the tissues.<\/p>\n<p>The surface should not be confused with <strong>shape<\/strong> \u2014round, ergonomic, or anatomical\u2014or with gel cohesivity, width, height, or projection. Two implants with similar geometry can have different shells and behave differently.<\/p>\n<figure class=\"aso-surfaces__media aso-surfaces__media--compact\">\n      <a href=\"https:\/\/www.doctoraso.es\/wp-content\/uploads\/2016\/06\/protesis-lisas-o-rugosas-texturadas.jpg\" target=\"_blank\" rel=\"noopener\" aria-label=\"Open the smooth and textured implant comparison at full size\">\n        <picture><source type=\"image\/avif\" srcset=\"https:\/\/www.doctoraso.es\/wp-content\/uploads\/2026\/08\/protesis-lisa-vs-texturizada-320.avif 320w, https:\/\/www.doctoraso.es\/wp-content\/uploads\/2026\/08\/protesis-lisa-vs-texturizada-500.avif 500w\" sizes=\"(max-width: 570px) calc(100vw - 86px), 500px\"><source type=\"image\/webp\" srcset=\"https:\/\/www.doctoraso.es\/wp-content\/uploads\/2026\/08\/protesis-lisa-vs-texturizada-320.webp 320w, https:\/\/www.doctoraso.es\/wp-content\/uploads\/2026\/08\/protesis-lisa-vs-texturizada-500.webp 500w\" sizes=\"(max-width: 570px) calc(100vw - 86px), 500px\"><img src=\"https:\/\/www.doctoraso.es\/wp-content\/uploads\/2016\/06\/protesis-lisas-o-rugosas-texturadas.jpg\" alt=\"Comparison of smooth and textured breast implant shells\" width=\"500\" height=\"174\" loading=\"lazy\" decoding=\"async\">\n        <\/picture>\n        <span>Enlarge image<\/span><br \/>\n      <\/a><figcaption><strong>Visible differences in the shell.<\/strong> A smooth implant on the left and a textured implant on the right.<\/figcaption><\/figure>\n<\/section>\n<section class=\"aso-surfaces__section\" id=\"diferencias\">\n    <span class=\"aso-surfaces__label\">Not all rough surfaces behave the same way<\/span><\/p>\n<h2>Differences between smooth, microtextured, and rough implants<\/h2>\n<p>\u201cTextured\u201d and \u201crough\u201d are often used interchangeably, but include very different surfaces. Exact classification depends on the measurement method and standard used. It is therefore more useful to explain how each family interacts with the tissues and why we use it.<\/p>\n<div class=\"aso-surfaces__families\" role=\"list\">\n<article role=\"listitem\">\n<h3>Conventional smooth<\/h3>\n<p>It has little friction with the capsule and allows more potential movement. It can be an excellent choice, but an overly large pocket increases the chance of displacement.<\/p>\n<\/article>\n<article role=\"listitem\">\n<h3>Controlled smooth with low roughness<\/h3>\n<p>This includes surfaces such as SmoothSilk. They are designed with a highly uniform topography and belong to the smooth category under the ISO classification used by the FDA.<sup><a href=\"#superficies-fuente-2\" aria-label=\"Source 2\">2<\/a><\/sup><\/p>\n<\/article>\n<article role=\"listitem\">\n<h3>Microtextured<\/h3>\n<p>It provides an intermediate level of friction. It can help control the implant when tissues are lax, a breast lift is involved, or we use an anatomical shape.<\/p>\n<\/article>\n<article role=\"listitem\">\n<h3>Macrotextured<\/h3>\n<p>It produced strong tissue interaction. Its association with BIA-ALCL, late seroma, and double capsules profoundly changed clinical practice. <strong>We do not use macrotextured implants.<\/strong><\/p>\n<\/article>\n<article role=\"listitem\">\n<h3>Polyurethane<\/h3>\n<p>This coating has its own behavior; it is not simply the final step on a roughness scale. We reserve it for highly selected situations.<\/p>\n<\/article><\/div>\n<div class=\"aso-surfaces__table-wrap\" tabindex=\"0\" role=\"region\" aria-label=\"Breast implant surface comparison table\">\n<table>\n<thead>\n<tr>\n<th>Surface<\/th>\n<th>Friction or interaction<\/th>\n<th>Potential benefit<\/th>\n<th>Main limitation<\/th>\n<th>Typical use in our practice<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<th>Smooth<\/th>\n<td data-label=\"Interaction\">Low<\/td>\n<td data-label=\"Benefit\">Movement and feel<\/td>\n<td data-label=\"Limitation\">Requires a precise pocket<\/td>\n<td data-label=\"Use\">Selected augmentations<\/td>\n<\/tr>\n<tr>\n<th>Controlled smooth (nanotextured)<\/th>\n<td data-label=\"Interaction\">Low and uniform<\/td>\n<td data-label=\"Benefit\">Feel, movement, and integration with tissue-preserving techniques<\/td>\n<td data-label=\"Limitation\">Stability does not depend on the shell alone<\/td>\n<td data-label=\"Use\">mia, Preserv\u00e9, and some conventional augmentations<\/td>\n<\/tr>\n<tr>\n<th>Microtextured<\/th>\n<td data-label=\"Interaction\">Intermediate<\/td>\n<td data-label=\"Benefit\">Some additional friction<\/td>\n<td data-label=\"Limitation\">Does not eliminate malposition or biological risks<\/td>\n<td data-label=\"Use\">Breast lifts, lax tissues, and anatomical implants<\/td>\n<\/tr>\n<tr>\n<th>Macrotextured<\/th>\n<td data-label=\"Interaction\">High<\/td>\n<td data-label=\"Benefit\">Strong adherence<\/td>\n<td data-label=\"Limitation\">A complication profile that has reduced its use<\/td>\n<td data-label=\"Use\">We do not use it<\/td>\n<\/tr>\n<tr>\n<th>Polyurethane<\/th>\n<td data-label=\"Interaction\">Highly specific<\/td>\n<td data-label=\"Benefit\">Control in complex cases<\/td>\n<td data-label=\"Limitation\">Removal and management are more demanding<\/td>\n<td data-label=\"Use\">Selected revisions<\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/div>\n<\/section>\n<section class=\"aso-surfaces__section\" id=\"decision\">\n    <span class=\"aso-surfaces__label\">An implant is a system, not just a shell<\/span><\/p>\n<h2>What we decide before, or alongside, the surface<\/h2>\n<p>A smooth implant alone does not produce a natural-looking breast, just as microtexture does not guarantee stability. Before choosing the shell, we measure and assess six factors that affect the result.<\/p>\n<div class=\"aso-surfaces__decision-grid\">\n<article>\n<h3>Tissue coverage<\/h3>\n<p><span>Anatomy<\/span><\/p>\n<p>In a very slim patient, particular attention is needed to implant palpability, edges, and <em>rippling<\/em>.<\/p>\n<\/article>\n<article>\n<h3>Shape and base<\/h3>\n<p><span>Geometry<\/span><\/p>\n<p>The width, height, and projection must fit the breast and suit the desired result.<\/p>\n<\/article>\n<article>\n<h3>Gel and cohesivity<\/h3>\n<p><span>Contents<\/span><\/p>\n<p>These affect feel, flexibility, upper-pole fullness, and behavior during movement.<\/p>\n<\/article>\n<article>\n<h3>Proportionate volume<\/h3>\n<p><span>Size<\/span><\/p>\n<p>An oversized implant places a load on the tissues that no surface can compensate for indefinitely.<\/p>\n<\/article>\n<article>\n<h3>Surgical plane<\/h3>\n<p><span>Position<\/span><\/p>\n<p>Subglandular, subfascial, prepectoral, dual-plane, and submuscular placement are not interchangeable choices.<\/p>\n<\/article>\n<article>\n<h3>A precise pocket<\/h3>\n<p><span>Technique<\/span><\/p>\n<p>Stability depends on creating a closely fitted pocket and appropriately preserving or adjusting the breast fold.<\/p>\n<\/article><\/div>\n<\/section>\n<section class=\"aso-surfaces__section\" id=\"anatomicas\">\n    <span class=\"aso-surfaces__label\">When rotation changes the breast&#8217;s shape<\/span><\/p>\n<h2>Are anatomical implants textured?<\/h2>\n<p><strong>In our practice, anatomical implants are always microtextured\u2014usually MESMO\u00ae\u2014or polyurethane-coated in selected cases. We never use macrotextured implants.<\/strong> An anatomical implant distributes volume differently between its upper and lower poles. If it rotates, that distribution changes and can distort the breast. Additional friction and a very precise pocket are therefore important.<\/p>\n<p>Motiva developed an exception: Anatomical TrueFixation, a SmoothSilk anatomical implant with two tabs that were sutured to the tissues to help prevent displacement and rotation.<sup><a href=\"#superficies-fuente-14\" aria-label=\"Source 14\">14<\/a><\/sup> We do not use it in our practice. We did not consider the available clinical experience and observed rotation problems sufficiently resolved.<\/p>\n<p><strong>In practical terms, we currently recommend microtextured or polyurethane-coated anatomical implants to minimize rotation risk.<\/strong> For more detail about symptoms, ultrasound, and treatment options, read our guide to <a href=\"https:\/\/www.doctoraso.es\/en\/blog\/anatomical-breast-implant-rotation-symptoms-risks-and-solutions\/\">anatomical implant rotation<\/a>.<\/p>\n<figure class=\"aso-surfaces__media\">\n      <a href=\"https:\/\/www.doctoraso.es\/wp-content\/uploads\/2016\/06\/protesis-anatomicas-rugosas-redondas-lisas.jpg\" target=\"_blank\" rel=\"noopener\" aria-label=\"Open the anatomical and round implant comparison at full size\">\n        <picture><source type=\"image\/avif\" srcset=\"https:\/\/www.doctoraso.es\/wp-content\/uploads\/2026\/08\/protesis-anatomica-redonda-superficies-400.avif 400w, https:\/\/www.doctoraso.es\/wp-content\/uploads\/2026\/08\/protesis-anatomica-redonda-superficies-600.avif 600w, https:\/\/www.doctoraso.es\/wp-content\/uploads\/2026\/08\/protesis-anatomica-redonda-superficies-800.avif 800w\" sizes=\"(max-width: 860px) calc(100vw - 68px), 800px\"><source type=\"image\/webp\" srcset=\"https:\/\/www.doctoraso.es\/wp-content\/uploads\/2026\/08\/protesis-anatomica-redonda-superficies-400.webp 400w, https:\/\/www.doctoraso.es\/wp-content\/uploads\/2026\/08\/protesis-anatomica-redonda-superficies-600.webp 600w, https:\/\/www.doctoraso.es\/wp-content\/uploads\/2026\/08\/protesis-anatomica-redonda-superficies-800.webp 800w\" sizes=\"(max-width: 860px) calc(100vw - 68px), 800px\"><img src=\"https:\/\/www.doctoraso.es\/wp-content\/uploads\/2016\/06\/protesis-anatomicas-rugosas-redondas-lisas.jpg\" alt=\"Comparison of textured anatomical, textured round, and smooth round implants\" width=\"800\" height=\"368\" loading=\"lazy\" decoding=\"async\">\n        <\/picture>\n        <span>Enlarge image<\/span><br \/>\n      <\/a><figcaption><strong>Shape and surface are different variables.<\/strong> The image shows a textured anatomical implant, a textured round implant, and a smooth round implant. These are common combinations, not the only possible geometries.<\/figcaption><\/figure>\n<\/section>\n<section class=\"aso-surfaces__section\" id=\"tacto\">\n    <span class=\"aso-surfaces__label\">How an implant feels depends mainly on tissue coverage<\/span><\/p>\n<h2>Do smooth implants feel more natural?<\/h2>\n<p>Smooth implants generally have less friction and can move more freely within the capsule. When lying down, that movement can resemble a natural breast. Some smooth shells are also thin and flexible, but <strong>the final feel depends as much or more on the gel, cohesivity, filling, volume, and the amount of tissue covering the implant<\/strong>.<\/p>\n<p>In a slim woman or someone with very little breast tissue, edges and rippling are easier to feel, regardless of the surface. A well-covered microtextured implant can be almost imperceptible, while an oversized smooth implant or one with inadequate coverage may be palpable.<\/p>\n<aside class=\"aso-surfaces__note aso-surfaces__note--green\">\n<h3>Smooth does not mean round and artificial<\/h3>\n<p>Some geometrically round implants have a gel that behaves ergonomically. Roughness does not determine how natural the result looks: that comes from combining anatomy, geometry, gel, volume, placement, and technique.<\/p>\n<\/aside>\n<\/section>\n<section class=\"aso-surfaces__section\" id=\"contractura\">\n    <span class=\"aso-surfaces__label\">A capsule is normal; hardening is not<\/span><\/p>\n<h2>Do textured implants reduce capsular contracture?<\/h2>\n<p>The body normally forms a thin capsule around an implant. This is not \u201crejection.\u201d We refer to <a href=\"https:\/\/www.doctoraso.es\/en\/blog\/capsular-contracture-symptoms-baker-grades-and-treatment\/\">capsular contracture<\/a> when that capsule thickens or tightens and causes firmness, distortion, or pain.<\/p>\n<p>Early generations of smooth implants, often placed above the muscle using older techniques, had higher contracture rates than certain textured implants. However, a contemporary meta-analysis of 33 studies and 35,052 implants found that the difference disappeared after accounting for placement and excluding historical or overlapping cohorts. Most of the evidence remained observational.<sup><a href=\"#superficies-fuente-8\" aria-label=\"Source 8\">8<\/a><\/sup><\/p>\n<p>Another analysis of contemporary smooth implants found comparable rates with subglandular and subfascial placement.<sup><a href=\"#superficies-fuente-9\" aria-label=\"Source 9\">9<\/a><\/sup> We therefore no longer maintain that a smooth implant above the pectoral muscle is a combination that should never be used. Patient selection, clean technique, pocket precision, placement, and follow-up substantially change the context.<\/p>\n<div class=\"aso-surfaces__know-grid\">\n<article>\n        <span>What we do know<\/span><\/p>\n<ul>\n<li>Surface is not the only factor associated with contracture.<\/li>\n<li>Revision surgery does not have the same risk as primary augmentation.<\/li>\n<li>No shell offers zero long-term risk.<\/li>\n<\/ul>\n<\/article>\n<article>\n        <span>What we should not promise<\/span><\/p>\n<ul>\n<li>That texture always prevents contracture.<\/li>\n<li>That a smooth implant will develop contracture because it is prepectoral.<\/li>\n<li>That an early result proves safety over decades.<\/li>\n<\/ul>\n<\/article><\/div>\n<\/section>\n<section class=\"aso-surfaces__section\" id=\"linfoma\">\n    <span class=\"aso-surfaces__label\">A very uncommon disease that changed surface selection<\/span><\/p>\n<h2>Textured implants and BIA-ALCL: what we currently know<\/h2>\n<p>Breast implant-associated anaplastic large cell lymphoma\u2014BIA-ALCL, or LACG-AIM in Spanish\u2014is an uncommon disease affecting the capsule or fluid around an implant. The Spanish medicines and medical devices agency, AEMPS, continues to report a stronger association with textured shells. Its 2026 report records 111 confirmed cases in Spain from 2012 through 2025.<sup><a href=\"#superficies-fuente-1\" aria-label=\"Source 1\">1<\/a><\/sup><\/p>\n<p>These data do not establish an exact, comparable risk for each brand or microtexture. Textured implants were the most widely used for many years, and model and exposure data are incomplete. Even so, the signal is sufficient to avoid treating all roughness as equivalent and to stop routinely using surfaces with more aggressive tissue interaction.<\/p>\n<p>Having a textured implant without symptoms does not mean you have lymphoma, nor does it automatically require removal. Late swelling, fluid around an implant, a mass, persistent pain, or enlarged lymph nodes should be investigated. Read more about the protocol in our article on <a href=\"https:\/\/www.doctoraso.es\/en\/blog\/seroma-after-breast-surgery-causes-symptoms-and-treatment\/\">early and late breast seroma<\/a>.<\/p>\n<aside class=\"aso-surfaces__alert\">\n      <span>Neither alarmist nor dismissive<\/span><\/p>\n<h3>\u201cVery uncommon\u201d does not mean \u201cimpossible\u201d<\/h3>\n<p>The decision should balance the clinical indication, type of surface, and follow-up. There is no zero risk in medicine, and knowledge continues to evolve.<\/p>\n<\/aside>\n<\/section>\n<section class=\"aso-surfaces__section\" id=\"smoothsilk\">\n    <span class=\"aso-surfaces__label\">Controlled smooth, not a regulatory category called \u201cnano\u201d<\/span><\/p>\n<h2>Is SmoothSilk smooth or nanotextured?<\/h2>\n<p>SmoothSilk\u2014also called SilkSurface in earlier publications\u2014was marketed as \u201cnanotextured\u201d for years. FDA documentation describes a controlled surface with an average roughness of approximately 4 microns and classifies it as smooth under the ISO standard used.<sup><a href=\"#superficies-fuente-2\" aria-label=\"Source 2\">2<\/a><\/sup> We therefore prefer to call it <strong>a controlled-smooth surface with very low roughness<\/strong> rather than use \u201cnanotextured\u201d as though it were a universal regulatory category.<\/p>\n<p>In September 2024, the FDA approved Motiva SmoothSilk Round and SmoothSilk Round Ergonomix for primary and revision breast augmentation in women at least 22 years old.<sup><a href=\"#superficies-fuente-3\" aria-label=\"Source 3\">3<\/a><\/sup> Approval means the agency found reasonable assurance of safety and effectiveness for those indications. It <strong>does not establish that Motiva is superior to every other implant<\/strong> or turn first-generation data into direct follow-up evidence for Ergonomix2.<\/p>\n<div class=\"aso-surfaces__fda\">\n<article><span>Surface<\/span><strong>\u2248 4 \u03bcm<\/strong><\/p>\n<p>Average roughness described in the FDA summary of safety and effectiveness.<\/p>\n<\/article>\n<article><span>FDA approval<\/span><strong>2024<\/strong><\/p>\n<p>Round and Round Ergonomix SmoothSilk, not every commercial variant.<\/p>\n<\/article>\n<article><span>Interpretation<\/span><strong>Not proof of superiority<\/strong><\/p>\n<p>Regulatory approval does not replace individual selection or a comparative trial.<\/p>\n<\/article><\/div>\n<p>For the difference between a conventional round implant and one with dynamic behavior, read our guide to <a href=\"https:\/\/www.doctoraso.es\/en\/blog\/motiva-ergonomix2-breast-implants-benefits-and-risks\/\">Motiva Ergonomix2 ergonomic implants<\/a>.<\/p>\n<\/section>\n<section class=\"aso-surfaces__section\" id=\"evidencia\">\n    <span class=\"aso-surfaces__label\">Large studies, follow-up, and conflicts of interest belong together<\/span><\/p>\n<h2>What SmoothSilk implant studies show<\/h2>\n<p>Published data are favorable, but the studies do not all assess the same implant, generation, or technique. Keeping these distinctions clear prevents accurate figures from becoming exaggerated conclusions.<\/p>\n<div class=\"aso-surfaces__studies\">\n<article>\n<h3>560 patients<\/h3>\n<p>        <span>Five-year pivotal study<\/span><\/p>\n<p>It included 451 primary augmentations and 109 revisions. In primary augmentation, it reported 0.5% Baker III\/IV contracture, 0.6% suspected or confirmed rupture in the MRI cohort, 3.9% malposition, and 8.8% reoperation for any reason.<sup><a href=\"#superficies-fuente-4\" aria-label=\"Source 4\">4<\/a><\/sup><\/p>\n<p>        <small>Some form of dual-plane placement was used in 94% of patients. This was not a pure Ergonomix2 or prepectoral-surgery cohort.<\/small><br \/>\n      <\/article>\n<article>\n<h3>5,813 consecutive augmentations<\/h3>\n<p>        <span>Retrospective series<\/span><\/p>\n<p>It reported 44 complications\u20140.76%\u2014and no Baker III\/IV contracture in the primary augmentations analyzed.<sup><a href=\"#superficies-fuente-5\" aria-label=\"Source 5\">5<\/a><\/sup><\/p>\n<p>        <small>It combined SilkSurface and VelvetSurface, involved a single center, and the lead author disclosed relevant relationships with the manufacturer.<\/small><br \/>\n      <\/article>\n<article>\n<h3>1,324 cases<\/h3>\n<p>        <span>Korean series<\/span><\/p>\n<p>It reported contracture in 1.07% of primary procedures and 4.39% of revisions, with a higher risk among patients presenting for revision because of contracture.<sup><a href=\"#superficies-fuente-6\" aria-label=\"Source 6\">6<\/a><\/sup><\/p>\n<p>        <small>Primary and revision surgery should not be combined into a single rate.<\/small><br \/>\n      <\/article>\n<article>\n<h3>4,784 patients<\/h3>\n<p>        <span>Meta-analysis<\/span><\/p>\n<p>It estimated a 0.54% contracture rate and observed no BIA-ALCL in the included studies.<sup><a href=\"#superficies-fuente-7\" aria-label=\"Source 7\">7<\/a><\/sup><\/p>\n<p>        <small>No cases in a sample does not prove zero risk. The authors called for better prospective comparative studies.<\/small><br \/>\n      <\/article>\n<\/p><\/div>\n<aside class=\"aso-surfaces__note aso-surfaces__note--blue\">\n<h3>A large sample does not eliminate limitations<\/h3>\n<p>A series involving thousands of patients provides valuable clinical information, but its quality depends on study design, follow-up length, losses to follow-up, definitions, and independence from the manufacturer. We therefore present both the findings and their limitations.<\/p>\n<\/aside>\n<\/section>\n<section class=\"aso-surfaces__preserve\" id=\"mia-preserve\" aria-labelledby=\"superficies-preservacion\">\n    <span class=\"aso-surfaces__label\">Technique changes the context of a surface<\/span><\/p>\n<h2 id=\"superficies-preservacion\">What mia and Preserv\u00e9 add to this discussion<\/h2>\n<p>The old idea that \u201csmooth above the muscle\u201d is a combination to avoid does not describe the surgery we currently perform. <a href=\"https:\/\/www.doctoraso.es\/en\/mia-femtech-breast-augmentation\/\">mia Femtech<\/a> and <a href=\"https:\/\/www.doctoraso.es\/en\/preserve-breast-augmentation\/\">Preserv\u00e9<\/a> place controlled-smooth implants in a prepectoral plane, but with tissue-based patient selection, restrained volumes, and very precise pocket creation.<\/p>\n<div class=\"aso-surfaces__preserve-grid\">\n<article>\n<h3>Diamond SmoothSilk Ergonomix2<\/h3>\n<p>        <span>mia Femtech<\/span><\/p>\n<p>It uses a specific biconvex implant, an axillary channel, and a prepectoral pocket created with dedicated instruments. Its geometry means flipping does not change its visible shape.<\/p>\n<\/article>\n<article>\n<h3>Ergonomix2 SmoothSilk<\/h3>\n<p>        <span>Preserv\u00e9<\/span><\/p>\n<p>It allows more volume and profile options through a short incision in the breast fold. Low friction makes it essential to respect anatomical limits and control the pocket carefully.<\/p>\n<\/article><\/div>\n<p>A prospective mia study of 100 patients retained 93% follow-up at three years and reported 3.2% complications of any type and 1.0% reoperation, with no Baker III\/IV contracture, rupture, infection, seroma, hematoma, or <em>rippling<\/em> in the cohort analyzed.<sup><a href=\"#superficies-fuente-10\" aria-label=\"Source 10\">10<\/a><\/sup> An inframammary tissue-preservation series of 330 procedures reported 0.9% complications with an average follow-up of 18 months.<sup><a href=\"#superficies-fuente-11\" aria-label=\"Source 11\">11<\/a><\/sup><\/p>\n<p>Studies published in August 2026 extend early experience. A prospective cohort of 159 patients and a single-center retrospective validation study of 111 patients\u2014including 26 Preserv\u00e9 breast lifts\u2014reported favorable short-term results.<sup><a href=\"#superficies-fuente-12\" aria-label=\"Source 12\">12<\/a><\/sup><sup><a href=\"#superficies-fuente-13\" aria-label=\"Source 13\">13<\/a><\/sup> These data are relevant, but do not yet equal decades of follow-up, and several authors or the supplement have relationships with Establishment Labs.<\/p>\n<aside class=\"aso-surfaces__own-data\">\n      <span>Our clinical experience \u00b7 August 2026<\/span><\/p>\n<h3>160 consecutive patients: 51 mia and 109 Preserv\u00e9<\/h3>\n<p>With approximately eight months of average follow-up, we recorded 0 infections, 0 hematomas requiring treatment, 0 seromas requiring aspiration or surgery, and 0 Baker II\u2013IV contractures. We observed five mild cases of <em>rippling<\/em> and one early rupture requiring implant replacement.<\/p>\n<p><strong>These are preliminary internal data, not a definitive comparison or a long-term rate.<\/strong> The full analysis, including events and limitations, is in our article on <a href=\"https:\/\/www.doctoraso.es\/en\/blog\/mia-femtech-preserve-safety-risks\/\">mia and Preserv\u00e9 safety<\/a>.<\/p>\n<\/aside>\n<\/section>\n<section class=\"aso-surfaces__protocol\" id=\"protocolo\" aria-labelledby=\"eleccion-superficie\">\n    <span class=\"aso-surfaces__label\">Dr. Aso Clinic protocol<\/span><\/p>\n<h2 id=\"eleccion-superficie\">How we choose the surface in our practice<\/h2>\n<p>We do not present a brand or roughness level as the universal winner. This is our current approach, which we then adapt to each patient&#8217;s anatomy and reasonable preferences.<\/p>\n<div class=\"aso-surfaces__protocol-grid\">\n<article>\n<h3>mia and Preserv\u00e9<\/h3>\n<p>        <span>Minimally invasive augmentation<\/span><\/p>\n<p>We use controlled-smooth SmoothSilk surfaces within techniques designed around the implant, volume, and tissue preservation.<\/p>\n<\/article>\n<article>\n<h3>Controlled smooth or microtextured, depending on the case<\/h3>\n<p>        <span>Conventional augmentation<\/span><\/p>\n<p>For some conventional augmentations, we choose SmoothSilk when the patient prioritizes a more natural feel or movement and her anatomy and coverage allow it. In other cases, we prefer microtexture for stability.<\/p>\n<\/article>\n<article>\n<h3>We often prefer MESMO<\/h3>\n<p>        <span>Breast lift or lax tissues<\/span><\/p>\n<p>Microtexture is often our first choice because it provides some additional stability. Ergonomix2 remains a valid second option.<\/p>\n<\/article>\n<article>\n<h3>Microtextured (MESMO\u00ae)<\/h3>\n<p>        <span>Anatomical implant<\/span><\/p>\n<p>This is our usual choice for anatomical implants. In selected cases, we use polyurethane, never macrotexture.<\/p>\n<\/article>\n<article>\n<h3>Polyurethane in selected cases<\/h3>\n<p>        <span>Recurrent rotation or malposition<\/span><\/p>\n<p>It can be useful when we need strong tissue interaction, especially in revision surgery. It is not our routine choice for every patient.<\/p>\n<\/article><\/div>\n<p>For a detailed explanation of its indications and the challenges of removal, read the dedicated guide to <a href=\"https:\/\/www.doctoraso.es\/en\/blog\/polyurethane-coated-breast-implants-benefits-risks-and-when-we-use-them\/\">polyurethane-coated breast implants<\/a>.<\/p>\n<\/section>\n<section class=\"aso-surfaces__section\" id=\"seguimiento\">\n    <span class=\"aso-surfaces__label\">The initial choice does not replace follow-up<\/span><\/p>\n<h2>Problems each surface can cause and when to seek advice<\/h2>\n<p>A smooth implant can move out of position if its pocket is too large. An anatomical implant can rotate. A soft implant may show <em>rippling<\/em> if coverage is inadequate. Any implant can rupture, develop contracture, or require revision. The shell modifies some risks but does not eliminate them.<\/p>\n<div class=\"aso-surfaces__signals\" role=\"list\">\n<article role=\"listitem\">\n<h3>A visible change or new asymmetry<\/h3>\n<p><span>Shape<\/span><\/p>\n<p>This can indicate displacement, downward or sideways movement, rotation, or flipping.<\/p>\n<\/article>\n<article role=\"listitem\">\n<h3>Increasing firmness or pain<\/h3>\n<p><span>Feel<\/span><\/p>\n<p>Assessment is needed to distinguish contracture, inflammation, and other causes.<\/p>\n<\/article>\n<article role=\"listitem\">\n<h3>One breast gets larger months or years later<\/h3>\n<p><span>Volume<\/span><\/p>\n<p>A late seroma should be investigated, even without fever or severe pain.<\/p>\n<\/article>\n<article role=\"listitem\">\n<h3>Possible rupture or folds<\/h3>\n<p><span>Imaging<\/span><\/p>\n<p>Ultrasound and, when needed, MRI help assess implant integrity.<\/p>\n<\/article><\/div>\n<p>We do not recommend replacing an asymptomatic implant simply because it carries an older label such as \u201ctextured.\u201d We first identify the manufacturer and model, the time since surgery, examination and imaging findings, and individual risk.<\/p>\n<\/section>\n<section class=\"aso-surfaces__results\" id=\"resultados\">\n<div>\n      <span class=\"aso-surfaces__label\">A photograph does not show the surface in isolation<\/span><\/p>\n<h2>Compare real results before choosing<\/h2>\n<p>Our gallery lets you filter augmentations by volume, shape, technique, and patient characteristics. It helps you understand how implants and anatomy interact, not copy someone else&#8217;s result.<\/p>\n<div class=\"aso-surfaces__actions\">\n        <a class=\"aso-surfaces__button aso-surfaces__button--primary\" href=\"https:\/\/www.doctoraso.es\/en\/breast-augmentation-before-and-after\/\">View breast augmentation results<\/a><br \/>\n        <a class=\"aso-surfaces__button aso-surfaces__button--secondary\" href=\"https:\/\/www.doctoraso.es\/en\/breast-augmentation-in-madrid\/#formulario\">Request an individual assessment<\/a>\n      <\/div><\/div>\n<aside>\n      <span>During the consultation<\/span><br \/>\n      <strong>We do not choose from one photograph<\/strong><\/p>\n<p>We measure the chest and breasts, assess tissue coverage, and explore alternatives through simulation and a clinical discussion.<\/p>\n<\/aside>\n<\/section>\n<section class=\"aso-surfaces__section aso-surfaces__faq\" id=\"preguntas\">\n    <span class=\"aso-surfaces__label\">Frequently asked questions<\/span><\/p>\n<h2>Questions about smooth, rough, and microtextured implants<\/h2>\n<div class=\"aso-surfaces__faq-list\">\n<details>\n<summary>Are smooth or textured implants better?<\/summary>\n<div>\n<p>There is no universal winner. Smooth and controlled-smooth implants play a central role in many contemporary augmentations. Microtextured implants can help when we want more friction, for example with lax tissues, breast lifts, or anatomical implants.<\/p>\n<\/div>\n<\/details>\n<details>\n<summary>Do smooth implants cause more capsular contracture?<\/summary>\n<div>\n<p>Historical cohorts suggested more contracture with smooth implants, especially in subglandular placement. After accounting for placement, era, and overlapping studies, contemporary analyses do not find a universal advantage for textured implants. Technique, primary versus revision surgery, and individual factors also matter.<\/p>\n<\/div>\n<\/details>\n<details>\n<summary>Can a smooth implant be placed above the muscle?<\/summary>\n<div>\n<p>Yes, in selected patients. mia and Preserv\u00e9 use controlled-smooth implants in a prepectoral plane with suitable volumes and a precise pocket. This does not mean the combination suits every tissue type or size.<\/p>\n<\/div>\n<\/details>\n<details>\n<summary>What does microtextured mean?<\/summary>\n<div>\n<p>The shell has less roughness than macrotextures and provides intermediate tissue interaction. Exact classification depends on how it is measured. Not all microtextures are the same.<\/p>\n<\/div>\n<\/details>\n<details>\n<summary>Is SmoothSilk smooth or nanotextured?<\/summary>\n<div>\n<p>We prefer to describe it as a controlled-smooth surface with very low roughness. The FDA reports approximately 4 microns of average roughness and classifies it as smooth under the ISO standard used. \u201cNanotextured\u201d was a widely used commercial description, not a universal regulatory category.<\/p>\n<\/div>\n<\/details>\n<details>\n<summary>Do textured implants cause lymphoma?<\/summary>\n<div>\n<p>The vast majority of patients with textured implants will never develop BIA-ALCL, but there is a recognized association and the risk does not appear equal across surfaces. Automatic removal of an asymptomatic implant out of fear alone is not recommended. Late fluid, masses, or new changes should be investigated.<\/p>\n<\/div>\n<\/details>\n<details>\n<summary>Do mia and Preserv\u00e9 use smooth implants?<\/summary>\n<div>\n<p>Yes. They use controlled-smooth SmoothSilk implants within tissue-preserving techniques. In mia, we use a biconvex Diamond implant, and in Preserv\u00e9, Ergonomix2. They are not the same implant and do not have the same indications.<\/p>\n<\/div>\n<\/details>\n<details>\n<summary>Why might microtexture be preferred for a breast lift?<\/summary>\n<div>\n<p>Tissues needing a lift have usually stretched and provide less support. For many breast lifts, we prefer MESMO or another microtextured implant because it offers some additional stability. This is our clinical preference, not proven superiority for every patient.<\/p>\n<\/div>\n<\/details>\n<details>\n<summary>Does the surface determine a natural-looking result?<\/summary>\n<div>\n<p>No. A natural result depends on anatomy, implant width and profile, gel, volume, coverage, placement, healing, and technique. The surface is only one part of that combination.<\/p>\n<\/div>\n<\/details>\n<details>\n<summary>When do we use polyurethane implants?<\/summary>\n<div>\n<p>Mainly for selected revisions, recurrent rotation or malposition, and other high-risk cases. Adherence can be helpful, but also makes future removal more demanding, so it is not a routine choice.<\/p>\n<\/div>\n<\/details><\/div>\n<\/section>\n<section class=\"aso-surfaces__sources\" aria-labelledby=\"fuentes-superficies\">\n    <span class=\"aso-surfaces__label\">Evidence and documentation reviewed<\/span><\/p>\n<h2 id=\"fuentes-superficies\">Medical and regulatory sources<\/h2>\n<p>General evidence, manufacturer documentation, our own experience, and regulatory data do not have the same evidentiary value. We therefore identify each source and explain the limits of extrapolation.<\/p>\n<ol>\n<li id=\"superficies-fuente-1\"><a href=\"https:\/\/www.aemps.gob.es\/vigilancia\/productosSanitarios\/linfoma-anaplasico-LACG\/docs\/informe-LACG-2026.pdf\" target=\"_blank\" rel=\"noopener\">AEMPS: sixth follow-up report on breast implant-associated ALCL, 2026<\/a>.<\/li>\n<li id=\"superficies-fuente-2\"><a href=\"https:\/\/www.accessdata.fda.gov\/cdrh_docs\/pdf23\/P230005B.pdf\" target=\"_blank\" rel=\"noopener\">FDA: Summary of Safety and Effectiveness Data, Motiva SmoothSilk Round and Round Ergonomix<\/a>.<\/li>\n<li id=\"superficies-fuente-3\"><a href=\"https:\/\/www.accessdata.fda.gov\/scripts\/cdrh\/cfdocs\/cfpma\/pma.cfm?id=P230005\" target=\"_blank\" rel=\"noopener\">FDA: PMA P230005 record and post-approval studies<\/a>.<\/li>\n<li id=\"superficies-fuente-4\"><a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/41266083\/\" target=\"_blank\" rel=\"noopener\">Glicksman et al.: five-year results with Motiva SmoothSilk implants<\/a>.<\/li>\n<li id=\"superficies-fuente-5\"><a href=\"https:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC5952962\/\" target=\"_blank\" rel=\"noopener\">Sforza et al.: retrospective series of 5,813 consecutive cases<\/a>.<\/li>\n<li id=\"superficies-fuente-6\"><a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/37254824\/\" target=\"_blank\" rel=\"noopener\">Lee et al.: retrospective series of 1,324 cases<\/a>.<\/li>\n<li id=\"superficies-fuente-7\"><a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/36902667\/\" target=\"_blank\" rel=\"noopener\">Aitzetm\u00fcller-Klietz et al.: Motiva systematic review and meta-analysis<\/a>.<\/li>\n<li id=\"superficies-fuente-8\"><a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/41859205\/\" target=\"_blank\" rel=\"noopener\">Tanas et al.: contemporary meta-analysis of smooth versus textured implants<\/a>.<\/li>\n<li id=\"superficies-fuente-9\"><a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/41572725\/\" target=\"_blank\" rel=\"noopener\">Abbott et al.: contemporary smooth surfaces and prepectoral placement<\/a>.<\/li>\n<li id=\"superficies-fuente-10\"><a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/41052824\/\" target=\"_blank\" rel=\"noopener\">Chacon-Quiros et al.: mia Femtech, prospective three-year study of 100 patients<\/a>.<\/li>\n<li id=\"superficies-fuente-11\"><a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/41649953\/\" target=\"_blank\" rel=\"noopener\">Randquist et al.: inframammary tissue preservation in 330 procedures<\/a>.<\/li>\n<li id=\"superficies-fuente-12\"><a href=\"https:\/\/academic.oup.com\/asj\/article\/46\/Supplement_2\/S117\/8758954\" target=\"_blank\" rel=\"noopener\">Pittman et al.: prospective multicenter series of 159 patients, 2026<\/a>.<\/li>\n<li id=\"superficies-fuente-13\"><a href=\"https:\/\/academic.oup.com\/asj\/article\/46\/Supplement_2\/S127\/8758957\" target=\"_blank\" rel=\"noopener\">Chacon-Quiros et al.: geometric and clinical validation in 111 patients, 2026<\/a>.<\/li>\n<li id=\"superficies-fuente-14\"><a href=\"https:\/\/support.motiva.health\/hc\/en-us\/articles\/4408683008147-Motiva-Implants-are-available-in-different-categories-What-exactly-is-the-difference-between-them\" target=\"_blank\" rel=\"noopener\">Motiva: official Anatomical TrueFixation description and fixation tabs<\/a>.<\/li>\n<\/ol>\n<\/section>\n<section class=\"aso-surfaces__closing\">\n    <span class=\"aso-surfaces__label\">Conclusion<\/span><\/p>\n<h2>The best surface fits a complete surgical plan<\/h2>\n<p>Smooth implants are no longer a marginal alternative, and microtexture is not an automatic answer. Modern techniques show that a controlled-smooth surface can remain stable in a prepectoral plane when combined with appropriate patient selection, suitable volumes, and a precise pocket. Microtextured implants retain valuable indications. In our practice, anatomical implants are microtextured or polyurethane-coated, never macrotextured.<\/p>\n<p>The choice should explain benefits, limitations, and follow-up without presenting one shell as a universal solution. That is the purpose of our consultation: first decide which result is reasonable for your anatomy, then choose the implant and technique that best support that goal.<\/p>\n<p>    <a class=\"aso-surfaces__button aso-surfaces__button--primary\" href=\"https:\/\/www.doctoraso.es\/en\/contact\/\">Discuss my case with the team<\/a><br \/>\n  <\/section>\n<\/article>\n<p><br \/>\n[\/vc_column_text][\/vc_column][\/vc_row]<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>[vc_row][vc_column][vc_column_text] The implant shell matters, but it is never chosen in isolation No smooth or textured breast implant is the best choice for every patient. Smooth and controlled-smooth surfaces now play a central role. Microtextured implants remain useful when we want more friction or stability, while polyurethane is reserved for very specific indications. The right [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":24017,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"_joinchat":[],"footnotes":""},"categories":[78,80],"tags":[],"class_list":["post-24015","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-breast-augmentation","category-cosmetic-surgery"],"acf":[],"featured_image_src":{"landsacpe":["https:\/\/www.doctoraso.es\/wp-content\/uploads\/2025\/04\/lisas-o-redondas-917x445.png",917,445,true],"list":["https:\/\/www.doctoraso.es\/wp-content\/uploads\/2025\/04\/lisas-o-redondas-463x348.png",463,348,true],"medium":["https:\/\/www.doctoraso.es\/wp-content\/uploads\/2025\/04\/lisas-o-redondas-300x167.png",300,167,true],"full":["https:\/\/www.doctoraso.es\/wp-content\/uploads\/2025\/04\/lisas-o-redondas.png",917,509,false]},"yoast_head":"<!-- This site is optimized with the 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