There was no significant difference in efficiency among the evaluated techniques.
The knowledge of the complex anatomy of maxillary molars and location of extra canals are essential for diagnosis and endodontic treatment success. Objective: The purpose of this study was to report a clinical case showing a varying number of palatal roots in a second maxillary molar with the aid of operating microscope (OM). Case report: A four-rooted maxillary permanent second molar with 2 separated palatal canals undergone endodontic therapy. After endodontic access, examination of the chamber floor using an operating microscope revealed two distinct palatal canals orifices. A radiograph was taken after the working lengths of each canal were estimated by means of an electronic apex locator which clearly identified the four roots with independent four canals. The canals were instrumented with ProTaper™ rotatory instruments under irrigation with 5% sodium hypochlorite, obturated with Pulp Canal Sealer® and continue wave technique. After completion of root canal treatment, the tooth was restored with composite resin. Results: After endodontic access, the presence of two different palatal canals was found in a second maxillary molar, resulting from a variation in the number of palatal roots of this tooth. Conclusion: The high magnification and clear illumination quality provided by the dental operating microscope increase endodontic treatment success of the variations in the internal anatomy of the tooth.
Introdução: A geminação é uma anomalia que ocorre por conta da tentativa de dois dentes se desenvolverem a partir de um único germe, resultando em um elemento com tamanho maior que o normal, porém com apenas um canal radicular, e que, em decorrência de suas características e peculiaridades, exige atenção quando da realização do tratamento endodôntico. Objetivo e relato de caso:Este estudo tem como objetivo apresentar o tratamento endodôntico de um incisivo central superior portador de geminação. Conclusão:O planejamento das etapas do tratamento baseado num atento exame clínico e radiográfico faz-se indispensável para a obtenção do sucesso no tratamento endodôntico de dentes geminados.
A comprehensive knowledge on the root canal anatomy is a basic prerequisite for the endodontic treatment successful. Mandibular molars may have an additional root located lingually (radix entomolaris) or buccally (radix paramolaris). In the literature, this anatomy variation is considered rare in Caucasian populations. Awareness and understanding of the presence of unusual external and internal root canal morphology contributes to the successful outcome of the root canal treatment.Objective and case report: The purpose of this study was to report a clinical case of successful endodontic treatment in a mandibular molar with pulp necrosis and characterized as radix entomolaris in which the use of magnification and ultrasonic tips (the “microsonics concept”) was fundamental to the management of the variations in the internal anatomy. Conclusion: A better understanding of the root canal morphology is essential for endodontic treatment success, as well as the use of technologic advancements in Endodontics including computed tomography, ultrasonic tips and the operating microscope.
Introdução: A complexidade da anatomia do sistema de canais radiculares constitui um desafio contínuo para o endodontista. A morfologia do primeiro molar superior permanente contém inúmeras variações, referentes ao número de raízes, de canais e à sua localização. Assim, o sucesso do tratamento endodôntico está relacionado ao domínio da anatomia. Objetivo e relato de caso:Este estudo teve como objetivo apresentar o tratamento endodôntico de um primeiro molar superior com pulpite irreversível em que o microscópio operatório associado aos insertos ultrassônicos foi fundamental para o domínio da anatomia. Localizaram-se cinco canais, sendo dois deles mesiovestibulares, dois distovestibulares e um palatino. Conclusão: O conhecimento da anatomia, bem como de suas diversidades, aliado ao uso de tecnologias,como microscópio operatório, ultrassom e tomografia computadorizada, faz com que o sucesso no tratamento endodôntico aumente.
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