Comparative Analysis of the Surface of Thermoplastic and Acrylic Dental Materials Using Scanning Electron Microscopy: A Non-Randomized Controlled Laboratory Study



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Quality control of dental materials surface in orthopedic dentistry remains a relevant section of dentistry, since reducing the number of changes in the microrelief of orthopedic structures allows to reduce microbial adhesion in the oral cavity and thereby prevent the development of inflammatory diseases. The aim of our study is to study the surface quality of thermoplastic and acrylic polymers after final processing in a comparative aspect at the micro level using a scanning electron microscope. Materials and methods: the study was carried out at the First Moscow State Medical University named after I.M. Sechenov on a Tescan Vega 3SB scanning electron microscope with a 10mm2 SDD Detector - X-Act energy dispersive analyzer using samples of modern polymeric materials - 4 materials, 4 samples each were examined after surface polishing and its visual macroassessment. Results: the smallest number of defects in the form of roughness and inclusions were found on the surface of the thermoplastic polymer polyetheretherketone "Dentokeep Peek", especially in the polished sample, the largest in the form of roughness, delamination of the surface layer - in acrylic polymers. Conclusion: taking into account the good microrelief indicators of polished samples of thermoplastic materials, they can be recommended for priority use in relation to acrylic.

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作者简介

Denis Nikolenko

Department of Prosthetic Dentistry. Sechenov First Moscow State Medical University, Moscow, Russia

编辑信件的主要联系方式.
Email: djulbars30@ya.ru
ORCID iD: 0000-0002-4067-8321

Candidate of Medical Sciences, Associate Professor

俄罗斯联邦

Anna Berezinskaya

Email: arevik-a@yandex.ru

Boris Panfilov

Email: b.pan4645@gmail.com

Dmitry Filippov

Email: filippov.dmitry80@mail.ru

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СМИ зарегистрировано Федеральной службой по надзору в сфере связи, информационных технологий и массовых коммуникаций (Роскомнадзор).
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