Translucency of glass-fibre-reinforced composite materials.

Abstract:

:summary The purpose of this study was to examine the translucency of glass-fibre-reinforced composite framework materials. Vectris and FibreKor, as well as an experimental material, were the glass-fibre-reinforced framework materials used. Targis, Sculpture and Estenia were the types of particulate filler composites veneered onto frameworks. Specimens were fabricated from each material, 0.5 and 1.0 mm thick. In addition, laminate specimens, 1.5 mm thick, were fabricated. The translucency of each specimen was evaluated by determining its contrast ratio. The laminate specimens were examined for colour differences. The experimental framework material was more translucent than the enamel composite when it was not coloured, and was nearly as translucent as the dentine composite when coloured. The commercial tooth-coloured framework materials were nearly as translucent as the dentine composite. It was found that it was possible to reproduce the same colour as the veneering dentine composite, when the framework thickness was 0.5 mm, except in the case of FibreKor. Within the limitations of this study, tooth-coloured, glass-fibre-reinforced framework materials are nearly as translucent as the veneering dentine composite, but these materials affect the colour of the prosthesis if the thickness of the framework material is increased beyond a certain point.

journal_name

J Oral Rehabil

authors

Nakamura T,Tanaka H,Kawamura Y,Wakabayashi K

doi

10.1111/j.1365-2842.2004.01296.x

keywords:

subject

Has Abstract

pub_date

2004-08-01 00:00:00

pages

817-21

issue

8

eissn

0305-182X

issn

1365-2842

pii

JOR1296

journal_volume

31

pub_type

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