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Brazilian Journal of Oral Sciences
Piracicaba Dental School - UNICAMP
EISSN: 1677-3225
Vol. 10, No. 1, 2011, pp. 12-16
Bioline Code: os11003
Full paper language: English
Document type: Research Article
Document available free of charge

Brazilian Journal of Oral Sciences, Vol. 10, No. 1, 2011, pp. 12-16

 en In vivo Evaluation of different techniques for establishment of proximal contacts in posterior resin composite restorations
Cardoso, Paula de Carvalho; de Oliveira, Alessandra Reis Bastos; Lopes, Letícia Vilela; Cabral, Sabrina Caetano & Oliveira, Maria Beatriz R. G.

Abstract


Aim: To evaluate the re-establishment of proximal contacts on class II resin composite restorations by means of 4 different in vivo techniques.
Methods: Restorations were divided into 4 groups (N=10): Group 1 (preformed metallic matrix + wooden wedges + separating ring); Group 2 (preformed metallic matrix + elastic interdental wedges+ separating ring); Group 3 (preformed metallic matrix + wooden wedges + translucent contact spatula); Group 4 (preformed metallic matrix + wooden wedges + resin inserts). Initially, two previously calibrated examiners conducted training on models representing three different proximal contact situations: tight (T); satisfactory (S) and unacceptable (U). Two evaluations were accomplished: immediately and 30 days after the restorative procedures. Fisher's exact test was used to verify differences among the techniques for establishment of proximal contacts in posterior resin composite restorations.
Results: There was no statistically significant differences (p>0.05) among the 4 groups.
Conclusions: All techniques produced satisfactory proximal contacts. Different restorative techniques for class II resin composite cavity preparations enabled satisfactory proximal contacts.

Keywords
composite resins, definitive restorations, interdental matrix, dentistry

 
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