Optical properties and surface roughness of prepolymerized poly(methyl methacrylate) denture base materials

The Journal of Prosthetic Dentistry
Gülce AlpBurak Yilmaz

Abstract

Studies of the color stability, relative translucency, and surface roughness of newly introduced computer-assisted design and computer-assisted manufacturing (CAD-CAM) prepolymerized poly(methyl methacrylate) (PMMA) denture base materials are lacking. The purpose of this in vitro study was to evaluate the color stability, relative translucency, and surface roughness of conventional and different prepolymerized CAD-CAM PMMA denture base materials after coffee thermocycling (CTC). Six disk-shaped specimens (10×2 mm) were prepared from 3 different brands of prepolymerized CAD-CAM PMMA and a conventional heat-polymerized PMMA denture base material (N=24). Specimens were polished conventionally in 2 stages. The specimens were subjected to 5000 coffee thermocycles. The surface roughness (Ra) of each specimen was measured 3 times before and after CTC, using a contact profilometer, and the mean roughness (Ra) values were calculated. The color coordinates of the specimens were determined by using a noncontact spectroradiometer, and color differences and relative translucency parameter (RTP) values were calculated by using CIEDE2000 color difference and RTPCIEDE2000 formulas. ANOVA was used to analyze surface roughness values, CIEDE2000 ...Continue Reading

Citations

Jun 4, 2019·Journal of Esthetic and Restorative Dentistry : Official Publication of the American Academy of Esthetic Dentistry ... [et Al.]·Manuela-Maria ManziucDiana Dudea
Aug 31, 2020·Journal of Prosthodontics : Official Journal of the American College of Prosthodontists·Simon GruberMurali Srinivasan
Sep 9, 2020·Journal of Esthetic and Restorative Dentistry : Official Publication of the American Academy of Esthetic Dentistry ... [et Al.]·Taiseer A SulaimanWilliam M Johnston
Aug 17, 2020·Journal of Esthetic and Restorative Dentistry : Official Publication of the American Academy of Esthetic Dentistry ... [et Al.]·Taiseer A SulaimanWilliam M Johnston
Nov 18, 2020·Emerging Topics in Life Sciences·Zi Hong MokMaya Thanou
Dec 8, 2020·Journal of Esthetic and Restorative Dentistry : Official Publication of the American Academy of Esthetic Dentistry ... [et Al.]·Leticia B DurandMaría M Pérez
Feb 16, 2021·The Journal of Prosthetic Dentistry·Burcu BatakBurak Yilmaz
Apr 23, 2021·Dental Materials Journal·Mohammed M GadFahad A Al-Harbi
May 15, 2021·Journal of Prosthodontics : Official Journal of the American College of Prosthodontists·Rajesh Swamidass, Charles J Goodacre
Aug 28, 2020·Journal of Prosthodontics : Official Journal of the American College of Prosthodontists·Nadim Z BabaStephen Wagner
May 27, 2021·Journal of Prosthodontics : Official Journal of the American College of Prosthodontists·Emanuele de OliveiraMárcio Lima Grossi
Jul 27, 2021·International Journal of Dentistry·Nicole GuerraFrank Mayta-Tovalino
Jul 13, 2021·Technology and Health Care : Official Journal of the European Society for Engineering and Medicine·Afnan F AlfouzanHuda A AlShehri

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