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Type: Artigo de periódico
Title: One-year comparison of metallic and translucent matrices in Class II composite resin restorations
Author: Cenci, MS
Demarco, FF
Pereira, CL
Lund, RG
de Carvalho, RM
Abstract: Purpose: To evaluate the clinical performance of composite restorations performed with two matrix and wedge systems. Methods: Each of 23 subjects received at least one pair of Class II restorations, one with metallic matrix and wooden wedge and the other with polyester matrix and reflexive wedge. One dentist placed 109 Class II restorations, 51 in premolars and 58 in molars, all in occlusion. Most of the cavities were surrounded by enamel. The restorations were evaluated at baseline, and after 12 months using the modified USPHS criteria. All cavities were restored using Single Bond and P-60, according to the manufacturer's indications. In the metal matrix group, polymerization was performed from occlusal, and in the polyester group, through the reflexive wedge. Statistical analysis was carried out with Chi-square and McNeumar tests. Results: After 12 months, there was a significant increase in marginal staining, and marginal adaptation was affected by clinical service. There were no differences between matrix and wedge systems, neither considering dental groups nor cavity types.
Country: Índia
Editor: Mosher & Linder, Inc
Rights: fechado
Date Issue: 2007
Appears in Collections:Unicamp - Artigos e Outros Documentos

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