{"id":20715,"date":"2023-05-30T11:34:37","date_gmt":"2023-05-30T09:34:37","guid":{"rendered":"https:\/\/botiss.com\/product\/differences-in-mechanical-and-physicochemical-properties-of-several-ptfe-membranes-used-in-guided-bone-regeneration\/"},"modified":"2025-05-15T13:40:25","modified_gmt":"2025-05-15T11:40:25","slug":"differences-in-mechanical-and-physicochemical-properties-of-several-ptfe-membranes-used-in-guided-bone-regeneration","status":"publish","type":"product","link":"https:\/\/botiss.com\/de\/produkt\/differences-in-mechanical-and-physicochemical-properties-of-several-ptfe-membranes-used-in-guided-bone-regeneration\/","title":{"rendered":"Differences in Mechanical and Physicochemical Properties of Several PTFE Membranes Used in Guided Bone Regeneration."},"content":{"rendered":"

>https:\/\/doi.org\/10.3390\/ma16030904<\/strong><\/a>
\nQasim, S.S.B.; Al-Asfour, A.A.; Abuzayeda, M.; Mohamed, A.M.; Trajkovski, B.; Murray, C.A.; Zafiropoulos, G.-G. Materials 2023, 16, 904.<\/p>\n

BACKGROUND<\/strong><\/h2>\n

Understanding the differences of the mechanical and physicochemical properties of commercially available PTFE membranes would serve to provide an appropriate indication-oriented selection for the clinical use, however detailed knowledge about these characteristics are scarce in the scientific literature.<\/p>\n

OBJECTIVES<\/strong><\/h2>\n
    \n
  • To investigate the physicochemical and mechanical properties of six commercially available non-reinforced PTFE membranes including permamem\u00ae<\/sup><\/li>\n
  • To correlate the found properties with potential benefits for the clinical application<\/li>\n<\/ul>\n

    METHODS<\/strong><\/h2>\n

    Surface architecture, chemical composition, tensile strength, Young\u2019s modulus, wettability, roughness, density, thickness and porosity of the various membranes were analyzed using scanning electron microscopy, X-ray photoelectron spectroscopy, tensile tests, polar liquid contact angle measurements, optical profilometer measurements and nano-CT.<\/p>\n

    RESULTS<\/strong><\/h2>\n

    General findings <\/strong><\/p>\n

      \n
    • All tested membranes show morphologically heterogenous structures (PTFE fiber orientation and pattern arrangement)<\/li>\n
    • Almost identical spectral portfolio\/atomic composition among the tested membranes<\/li>\n
    • Surfaces consist consistently of polytetrafluoroethylene (-CF2-CF2-)n, which confirms their bioinert characters<\/li>\n
    • All membranes were found to be robust during tensile loading, with no significant differences among them with respect to strain data<\/li>\n
    • Demonstrated hydrophobic properties as well as high density for all tested membranes<\/li>\n
    • Non-textured membranes had higher stiffness and hydrophobicity compared to textured ones<\/li>\n<\/ul>\n

      Findings for permamem\u00ae<\/sup><\/strong><\/p>\n

        \n
      • Smooth surface profile<\/li>\n
      • Tightly packed non-porous microstructure<\/li>\n
      • Lowest thickness among all tested membranes<\/li>\n
      • Highest density among all tested membranes<\/li>\n
      • Lowest and correlating values between material volume and thickness as well as defect volume and defect volume ratio<\/li>\n<\/ul>\n<\/div><\/div><\/div><\/div><\/div>
        <\/span><\/div><\/div><\/div>
        <\/span><\/div><\/div><\/div>
        <\/span><\/div><\/div><\/div><\/div><\/div>

        Fig. 1. <\/strong>Surface microstructure of permamem\u00ae<\/sup> at 50x (left), 100x (mid) and 500x (right) magnification (scanning electron microscopy).<\/p>\n<\/div><\/div><\/div><\/div><\/div>

        <\/span><\/div><\/div><\/div><\/div><\/div>

        Fig. 2. <\/strong>Delicate, thin structure of permamem\u00ae<\/sup> (Nano-CT).<\/p>\n<\/div><\/div><\/div><\/div><\/div>

        SUMMARY<\/strong><\/h2>\n
          \n
        • Investigated PTFE membranes were found to be bioinert, hydrophobic and had similar densities<\/li>\n
        • Significant differences were found for thickness, tensile strength, stiffness and porosity<\/li>\n<\/ul>\n

          CONCLUSIONS FOR PERMAMEM\u00ae<\/sup><\/strong><\/h2>\n
            \n
          • Optimal structure with respect to thickness and material volume<\/li>\n
          • Proven bioinert character which favors tissue integration<\/li>\n
          • Non-porous structure benefits cell-occlusiveness and barrier function<\/li>\n
          • Hydrophobic character may contribute to reduced plaque accumulation<\/li>\n
          • High density and smooth surface supports membrane removal<\/li>\n<\/ul>\n<\/div><\/div><\/div><\/div><\/div><\/p>\n","protected":false},"excerpt":{"rendered":"","protected":false},"featured_media":20716,"template":"","meta":{"_acf_changed":false,"content-type":"","footnotes":""},"product_brand":[],"product_cat":[1714,1756],"product_tag":[1817],"class_list":["post-20715","product","type-product","status-publish","has-post-thumbnail","product_cat-ciencia","product_cat-estudios","product_tag-permamem-es","first","instock","product-type-simple"],"acf":[],"yoast_head":"\nDifferences in Mechanical and Physicochemical Properties of Several PTFE Membranes Used in Guided Bone Regeneration. - botiss biomaterials GmbH<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/botiss.com\/de\/produkt\/differences-in-mechanical-and-physicochemical-properties-of-several-ptfe-membranes-used-in-guided-bone-regeneration\/\" \/>\n<meta property=\"og:locale\" content=\"de_DE\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Differences in Mechanical and Physicochemical Properties of Several PTFE Membranes Used in Guided Bone Regeneration.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/botiss.com\/de\/produkt\/differences-in-mechanical-and-physicochemical-properties-of-several-ptfe-membranes-used-in-guided-bone-regeneration\/\" \/>\n<meta property=\"og:site_name\" content=\"botiss biomaterials GmbH\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/botissdental\" \/>\n<meta property=\"article:modified_time\" content=\"2025-05-15T11:40:25+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/botiss.com\/wp-content\/uploads\/2023\/05\/campus_vorschaubild.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"799\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:site\" content=\"@BotissB\" \/>\n<meta name=\"twitter:label1\" content=\"Gesch\u00e4tzte Lesezeit\" \/>\n\t<meta name=\"twitter:data1\" content=\"3\u00a0Minuten\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/botiss.com\\\/de\\\/produkt\\\/differences-in-mechanical-and-physicochemical-properties-of-several-ptfe-membranes-used-in-guided-bone-regeneration\\\/\",\"url\":\"https:\\\/\\\/botiss.com\\\/de\\\/produkt\\\/differences-in-mechanical-and-physicochemical-properties-of-several-ptfe-membranes-used-in-guided-bone-regeneration\\\/\",\"name\":\"Differences in Mechanical and Physicochemical Properties of Several PTFE Membranes Used in Guided Bone Regeneration. - 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