![]() ![]() ![]() Dez amostras de cada grupo foram utilizadas para análise da morfologia e as outras 10 foram utilizadas para a análise de adesão de elementos sanguíneos. Foram utilizadas no presente estudo 100 amostras provenientes de 25 dentes que foram divididas em 5 grupos: 1) Raspagem manual com curetas 2) Raspagem com ultrassom 3) Associação instrumento manual e ultrassom 4)Irradiação do laser de Er,Cr:YSGG 5)Associação raspagem manual com irradiação com laser de Er,Cr:YSGG. Ultrasonic dental scaling regeneration laserĮsse estudo utilizou microscopia eletrônica de varredura (MEV) para avaliar a morfologia e a adesão de elementos sanguíneos em superfícies radiculares instrumentadas com curetas, ultrassom piezoelétrico e laser de Er,Cr:YSGG. Ultrasonic instrumentation and Er,Cr:YSGG irradiation produced rougher root surfaces than the use of curettes, but there were no differences among treatments with respect to the adhesion of blood components. ![]() No statistically significant differences (p>0.05) among groups were found as to the adhesion of blood components on root surface. The surfaces instrumented with piezoelectric ultrasonic scaler and Er,Cr:YSGG laser, alone or in combination with hand scaling and root planing, did not differ significantly (p>0.05) among themselves. The group treated with curettes showed smoother surfaces when compared to the groups were instrumented with piezoelectric ultrasonic scaler and the Er,Cr:YSGG laser. The results were analyzed statistically by the Kruskall-Wallis and Mann-Whitney tests with a significance level of 5%. Ten samples from each group were used for analysis of root morphology and the other 10 were used for analysis of adhesion of blood components on root surface. One hundred samples from 25 teeth were divided into 5 groups: 1) Curettes 2) Piezoelectric ultrasonic scaler 3) Curettes plus piezoelectric ultrasonic scaler 4) Er,Cr:YSGG laser 5) Curettes plus Er,Cr:YSGG laser. This study used scanning electron microscopy (SEM) to evaluate the morphology and adhesion of blood components on root surfaces instrumented by curettes, piezoelectric ultrasonic scaler and Er,Cr:YSGG laser. ![]()
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