Title
Three-year follow-up of five posterior composites : in vivo wearThree-year follow-up of five posterior composites : in vivo wear
Author
Faculty/Department
Faculty of Medicine and Health Sciences
Research group
Translational Neurosciences (TNW)
Publication type
article
Publication
London,
Subject
Human medicine
Source (journal)
Journal of dentistry. - London
Volume/pages
21(1993):2, p. 74-78
ISSN
0300-5712
ISI
A1993KU66600002
Carrier
E
Target language
English (eng)
Full text (Publishers DOI)
Affiliation
University of Antwerp
Abstract
The wear of five posterior composites at occlusal contact areas (OCA) and contact free occlusal areas (CFOA) was evaluated in Class II cavities over a 3-year period with an accurate 3D-measuring technique. A clinical evaluation was also performed. The ultrafine compact-filled composites (Willems et al., 1992) showed acceptable OCA-wear rates ranging from 110 to 149 mum after 3 years. This is very similar to the OCA-wear rate of human enamel on molars, which is about 122 mum after 3 years. The fine compact-filled composite had an unacceptable OCA-wear value of 242 mum after 3 years. The ultrafine midway-filled composite showed an exceptionally high CFOA-wear value of 151 mum after 3 years, which gave the impression of it being gradually washed out of the cavity. Clinically, 70% of the restorations made with the ultrafine midway-filled composite showed excellent colour match after 3 years. For most of the compact-filled composites slightly opaque fillings were noted and 63% of the restorations made with one of these materials were clearly opaque. It can be concluded that the investigated ultrafine compact-filled composites can be considered as amalgam alternatives as far as their wear resistance is concerned.
E-info
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