Effects of salivary pH on coating durability of two different aesthetic archwire coatings under a simulated intraoral environment
| Autor: | Anis Farhan Kamaruddin, Youssef Chikh Abdulkader, Rabiatul Basria S. M. N. Mydin |
|---|---|
| Rok vydání: | 2020 |
| Předmět: |
Materials science
Scanning electron microscope SEM scanning electron microscope Dental material PTFE polytetrafluoroethylene lcsh:Medicine Coating durability engineering.material law.invention 030207 dermatology & venereal diseases 03 medical and health sciences chemistry.chemical_compound 0302 clinical medicine Coating law Epoxy resin In patient Aesthetic archwire Poor oral hygiene Composite material Polytetrafluoroethylene General Dentistry Salivary pH NaOH sodium hydroxide ICC intraclass correlation coefficient lcsh:R 030206 dentistry Epoxy Durability lcsh:RK1-715 Coating material chemistry lcsh:Dentistry visual_art engineering visual_art.visual_art_medium SENiTi superelastic nickel titanium Original Article Toothbrush |
| Zdroj: | Saudi Dental Journal, Vol 32, Iss 6, Pp 306-313 (2020) The Saudi Dental Journal |
| ISSN: | 1013-9052 |
| DOI: | 10.1016/j.sdentj.2019.09.010 |
| Popis: | Objectives: This study compared the effects of normal salivary pH, and acidic pH found in patients with poor oral hygiene, on the durability of aesthetic archwire coated with epoxy resin and polytetrafluoroethylene (PTFE). Methods: The posterior parts of the archwires were sectioned into 20 mm segments (N = 102) and divided among six groups. Four groups were treated with different pH levels and two served as controls. The specimens were immersed in individual test tubes containing 10 ml of artificial saliva adjusted to a pH of 6.75 or 3.5. The tubes were sealed and stored in a 37 °C water bath for 28 days. After 28 days, the specimens were ligated to brackets embedded in an acrylic block and subjected to mechanical stress using an electronic toothbrush for 210 s. The specimens were photographed, and images were measured for coating loss using AutoCAD® software. Surface morphology was observed using a scanning electron microscope (SEM). Results: Significant coating loss (p |
| Databáze: | OpenAIRE |
| Externí odkaz: |
|