Comparison of Wear Resistance of Prefabricated Composite Veneers Versus Ceramic and Enamel
العنوان: | Comparison of Wear Resistance of Prefabricated Composite Veneers Versus Ceramic and Enamel |
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المؤلفون: | Arndt Guentsch, Hongseok An, Mina D. Fahmy, Harald Kuepper, Stephanie Viebranz, Marco Dederichs |
المصدر: | Journal of Prosthodontics. 30:711-719 |
بيانات النشر: | Wiley, 2021. |
سنة النشر: | 2021 |
مصطلحات موضوعية: | Toothbrushing, Ceramics, Materials science, Enamel paint, Surface Properties, medicine.medical_treatment, Composite number, Dental Porcelain, law.invention, Abrasion (geology), Wear resistance, law, visual_art, Materials Testing, visual_art.visual_art_medium, medicine, Surface roughness, Humans, Veneer, Ceramic, Toothbrush, Composite material, Dental Enamel, General Dentistry |
الوصف: | PURPOSE To measure surface roughness before and after wear-tests of two different prefabricated composite veneers and compare them to ceramic veneers and human dental enamel. MATERIALS AND METHODS Roughness (Ra-values) of two prefabricated composite veneers (Visalys Veneer Chairside (VIS) and Componeer (COM)) were compared to lithium disilicate Veneers (e.max CAD) and dental enamel (DENT) in vitro. In total n = 45 specimens per material and enamel samples were used for wear-tests. Wear-out tests were conducted by abrasion tests with a toothbrush simulator (22,000 strokes/ 100 g load; approximately equal to two years of cleansing) and erosion tests were carried out using citric acid (pH 1.57). Ra- and Sa-values were detected by white light interferometer before and after wear-tests. Data were analyzed with ANOVA followed by Games-Howell post hoc test and t-test (α = 0.05). RESULTS At baseline the lowest Ra- and Sa-values were found in VIS (Ra: 0.01 µm; Sa: 0.04 µm) while DENT revealed significantly higher surface roughness (Ra: 0.11 µm, p < 0.05; Sa: 0.30, p = 0.186). COM had significantly higher Ra-values (Ra: 0.10 µm; Sa: 0.22 µm) after abrasion, while e.max CAD was most resistant to the treatments (Ra: 0.01 µm, p < 0.05; Sa: 0.05 µm, p < 0.05). Compared to DENT all veneers were significantly less affected by citric acid (p < 0.001). CONCLUSIONS Prefabricated composite veneers have demonstrated less wear after abrasion and erosion tests compared to DENT, nevertheless, they revealed more wear compared to e.max CAD. |
تدمد: | 1532-849X 1059-941X |
URL الوصول: | https://explore.openaire.eu/search/publication?articleId=doi_dedup___::acbd6d0df38c4ea15289f3e0f280cbfd https://doi.org/10.1111/jopr.13303 |
حقوق: | OPEN |
رقم الأكسشن: | edsair.doi.dedup.....acbd6d0df38c4ea15289f3e0f280cbfd |
قاعدة البيانات: | OpenAIRE |
تدمد: | 1532849X 1059941X |
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