The Effect of Different Fiber Concentrations on the Surface Roughness of Provisional Crown and Fixed Partial Denture Resin

Overview

Journal Eur J Dent

Publisher Thieme

Specialty Dentistry

Date 2009 Feb 13

PMID 19212545

Citations 7

Authors

Mustafa Zortuk

Kerem Kilic

Gulay Uzun

Ahmet Ozturk

Bulent Kesim

Affiliations

Soon will be listed here.

Abstract

Objectives: The aim of this study was to investigate surface roughness in provisional crown acrylics, after polishing, reinforced with different concentrations of glass fibers.

Methods: A total of 48 disk-shaped specimens were prepared using autopolymerizing acrylic resin. These specimens were divided into four groups according to the level of glass fiber added: Group A (no fiber), Group B (0.5%), Group C (1%) and Group D (2%). After polishing the specimens, an average surface roughness (Ra) value was calculated using a profilometer from four randomly selected points on the surface.

Results: A significant difference was determined among the surface roughness values of provisional crown resins to which different concentrations of fiber had been added (P<.001). Tukey's test was then used to perform paired comparisons of the data between the different groups, and a significant difference was found between Group A (no fiber) and the other groups, between Group B (0.5%) and Group D (2%) and between Group C (1%) and Group D. On the other hand, there was no significant difference between Group B and Group C.

Conclusions: The reinforcement of provisional crown and fixed partial denture resin with glass fibers increases surface roughness.

Citing Articles

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Biological and Chemo-Physical Features of Denture Resins.

Cervino G, Cicciu M, Herford A, Germana A, Fiorillo L Materials (Basel). 2020; 13(15).

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Effect of polyester fiber reinforcement on the mechanical properties of interim fixed partial dentures.

Gopichander N, Halini Kumarai K, Vasanthakumar M Saudi Dent J. 2015; 27(4):194-200.

PMID: 26644754 PMC: 4642189. DOI: 10.1016/j.sdentj.2015.03.002.

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