Title
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Three-year follow-up of five posterior composites : in vivo wear
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Author
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Abstract
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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. |
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Language
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English
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Source (journal)
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Journal of dentistry. - London
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Publication
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London
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1993
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ISSN
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0300-5712
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DOI
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10.1016/0300-5712(93)90149-K
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Volume/pages
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21
:2
(1993)
, p. 74-78
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ISI
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A1993KU66600002
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Full text (Publisher's DOI)
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Full text (publisher's version - intranet only)
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