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RGO.Revista Gaúcha de Odontologia (Online)

versão On-line ISSN 1981-8637

Resumo

VICTORINO, Fausto Rodrigo et al. Analysis of accuracy of endodontic millimeter rulers of different commercial brands. RGO, Rev. gaúch. odontol. (Online) [online]. 2012, vol.60, n.3, pp. 305-308. ISSN 1981-8637.

Objective Evaluate the accuracy of the Brazilian market of endodontic millimeter rulers. Methods The endodontic millimeter rulers were divided into four experimental groups of 10 rulers each, according to the commercial brand: Group 1 - Jon (Comércio de Produtos Odontológicos Ltda., São Paulo, Brazil), Group 2 - Microdont (Microusinagem de Precisão Ltda., Socorro, Brazil), Group 3 - Angelus (Angelus Soluções Odontológicas, Londrina, Brazil) e Group 4 - ICE (Instrumentos Cirúrgicos Esmeralda Ltda., São Paulo, Brazil). In each endodontic ruler the measure of 20.00 mm was verified with an electronic digital caliper. The results were statistically tested using variance analysis ANOVA followed by Turkey test with p <0.05. Results The results showed that the average measures of the rulers are not exact, ranging from 19.80 mm to 20.27 mm for the brand ICE (Instrumentos Cirúrgicos Esmeralda Ltda., São Paulo, Brazil). The brand Angelus (Angelus Soluções Odontológicas, Londrina, Brazil) had the lowest variation and exact measurement in 60% of rulers examined. There was no significant difference between brands. Conclusion The endodontic millimeter rulers analyzed were not standardized and accurate, so the professional should use the same ruler from the beginning to the end of the treatment.

Palavras-chave : Dental instruments.; Endodontics.; Odontometry..

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