The Journal of Contemporary Dental Practice

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VOLUME 19 , ISSUE 1 ( January, 2018 ) > List of Articles

ORIGINAL RESEARCH

Effect of Dental Prophylaxis Techniques on the Surface Roughness of Resin Composites

Rudys Rodolfo de Jesus Tavarez, Isabella A Gomes, Hevylla GGS Mendes, Etevaldo M Maia Filho, Claudia de C Rizzi, Mario G Nina, Cecilia P Turssi, Ana JC Vasconcelos

Citation Information : de Jesus Tavarez RR, A Gomes I, Mendes H G, M Maia Filho E, de C Rizzi C, G Nina M, P Turssi C, JC Vasconcelos A. Effect of Dental Prophylaxis Techniques on the Surface Roughness of Resin Composites. J Contemp Dent Pract 2018; 19 (1):37-41.

DOI: 10.5005/jp-journals-10024-2208

License: CC BY-NC 3.0

Published Online: 01-01-2018


Abstract

Aim: The aim of this study is to evaluate the effect of dental prophylaxis techniques on surface roughness of composite resins. Materials and methods: A total of 36 nanohybrid resin composite test specimens were fabricated and divided into three groups (n = 12). They were kept in distilled water at 37°C for 24 hours and submitted to the finishing and polishing technique. For the prophylactic techniques, in group G1, a mixture of pumice stone and distilled water was used with the aid of a rubber cup; in group G2, Herjos-F prophy paste was used with a rubber cup; and in group G3, a bicarbonate jet spray was used. Afterward, all the samples were repolished using the Soflex pop-on disks. A roughness meter was used to measure surface roughness at three points in time: Before the prophylactic techniques (1st evaluation), afterward (2nd evaluation), and following repeat polishing (3rd evaluation). Results: It was found that roughness values changed significantly between the 1st and 2nd evaluations (p < 0.05) and between the 2nd and 3rd evaluations (p < 0.05), showing that the change in roughness depended on the type of prophylactic treatment. Roughness was significantly higher after the bicarbonate jet (p < 0.05). Conclusion: Prophylaxis using the sodium bicarbonate jet significantly altered the roughness of nanoparticle-reinforced resin. Clinical significance: Dental prophylaxis is the most common practice employed to remove bacterial plaque and other coatings. However, one side effect of the cleaning may be a rougher surface subject to degradation and staining. The correct use of prophylactic devices and avoiding prolonged use on resin restorations reduce surface roughness.


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