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      Effect of instrumentation using curettes, piezoelectric ultrasonic scaler and Er,Cr:YSGG laser on the morphology and adhesion of blood components on root surfaces: a SEM study

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          Abstract

          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. 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. 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. The results were analyzed statistically by the Kruskall-Wallis and Mann-Whitney tests with a significance level of 5%. 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 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. No statistically significant differences (p>0.05) among groups were found as to the adhesion of blood components on root surface. 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.

          Translated abstract

          Esse 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. 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. 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. As eletromicrografias foram analisadas através dos escores de adesão de elementos sanguíneos e pelo índice de morfologia radicular e os resultados foram analisados estatisticamente através dos testes de Kruskall-Wallis e de Mann-Whitney com nível de significância de 5%. O grupo que foi tratado com instrumentos manuais apresentou superfície mais lisa em relação aos grupos que foram instrumentados com ultrassom e com o laser de Er,Cr:YSGG. As superfícies instrumentadas com ultrassom e com o laser de Er,Cr:YSGG de forma isolada ou associada a raspagem manual não apresentaram diferenças estatísticas entre si (p>0,05). Não houve diferenças estatísticas entre os grupos em relação a adesão de elementos sanguíneos(p>0,05). A instrumentação ultrassônica e a irradiação com o laser de Er,Cr:YSGG produziram superfícies radiculares mais rugosas em relação a raspagem com curetas, porém não houve diferenças entre os tratamentos com relação à adesão de elementos sanguíneos.

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          Most cited references21

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          Periodontal healing after non-surgical therapy with a new ultrasonic device: a randomized controlled clinical trial.

          The aim of this study was to compare the clinical and microbiological healing outcomes following non-surgical periodontal therapy using the new Vector ultrasonic system versus scaling and root planing (S/RP) with Gracey curettes.
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            Er:YAG Laser, ultrasonic system, and curette produce different profiles on dentine root surfaces: an in vitro study.

            The aim of the present study was to compare the in vitro effects of the Er:YAG laser, an ultrasonic system, and manual curette on dentine root surface by roughness and micro-morphological analysis.
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              • Record: found
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              • Article: not found

              Evaluation of the effects of Er:YAG and Nd:YAG lasers and ultrasonic instrumentation on root surfaces.

              Evaluate the effects of Er:YAG and Nd:YAG lasers on the morphology and chemical composition of root surfaces and compare them with those produced by using ultrasonic instrumentation (US).
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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Journal
                bdj
                Brazilian Dental Journal
                Braz. Dent. J.
                Fundação Odontológica de Ribeirão Preto (Ribeirão Preto )
                1806-4760
                2011
                : 22
                : 3
                : 185-192
                Affiliations
                [1 ] Universidade Estadual Paulista Brazil
                Article
                S0103-64402011000300002
                10.1590/S0103-64402011000300002
                594fd2a3-c970-4079-b701-efa9cafd8f89

                http://creativecommons.org/licenses/by/4.0/

                History
                Product

                SciELO Brazil

                Self URI (journal page): http://www.scielo.br/scielo.php?script=sci_serial&pid=0103-6440&lng=en
                Categories
                DENTISTRY, ORAL SURGERY & MEDICINE

                Dentistry
                ultrasonic,dental scaling,regeneration,laser
                Dentistry
                ultrasonic, dental scaling, regeneration, laser

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