Effect of periodontal therapies on indirect restoration: a scanning electron microscopic analysis

Brazilian Dental Journal
Priscilla Barbosa Ferreira SoaresCarlos José Soares

Abstract

The aim of this study was to evaluate the influence of different periodontal therapies on the integrity of indirect restorations by scanning electron microscopy (SEM). Sixty single-rooted bovine teeth were selected and randomly assigned to 12 groups. Inlay cavities were prepared in the cervical region on the center of the cementoenamel junction, and were restored with laboratory processed resin and luted with a resin cement. Twelve periodontal therapies were used (n= 5): C: control (no treatment); MS: manual scaling with Gracey curettes; US: ultrasonic scaling; PP: prophylaxis with prophylactic paste; PS: prophylaxis with pumice-stone; SBJ: sodium bicarbonate jet; MS/PP; MS/PS; MS/SBJ; US/PP; US/PS; US/SBJ. The specimens were prepared and analyzed by SEM. SEM micrographs at x100 to x1000 magnification were obtained from the surface of the laboratory resin and the interface of the indirect restorations. The images were evaluated by 3 skillful, calibrated, blinded observers as to the presence of grooves, microcavities and fracture of margins. The results showed that PS produced groves on restoration surface. MS and US produced groves and marginal fractures on the restorations. SBJ resulted in resin cement degradation. These resul...Continue Reading

References

Feb 27, 1999·Journal of Clinical Periodontology·J S ReesJ Hughes
Jun 26, 2001·Journal of Clinical Periodontology·A BusslingerB Lehmann
Mar 8, 2003·Journal of Clinical Periodontology·G J PetersilkaT F Flemmig
Apr 19, 2003·Journal of Clinical Periodontology·G J PetersilkaT F Flemmig
Aug 9, 2003·Pesquisa odontológica brasileira = Brazilian oral research·Daniele Salami, Maria Aparecida Alves Luz
May 26, 2009·Brazilian Dental Journal·Renato Corrêa Viana CasarinMárcio Zaffalon Casati

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Citations

Jun 21, 2012·Journal of Dentistry·Adriana Postiglione Bührer SamraStella Kossatz
Apr 20, 2016·Journal of Dental Research, Dental Clinics, Dental Prospects·Soodabeh KimyaiFarnaz Davoodi
Oct 21, 2011·Brazilian Dental Journal·Fabiano Dalla Lana MattielloJosé Peixoto Ferrão Júnior

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