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Influence of root canal sealer on the radiographic appearance of filling voids in maxillary single-rooted teeth

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Influence of root canal sealer on the radiographic appearance of filling voids in maxillary single-rooted teeth

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Título Influence of root canal sealer on the radiographic appearance of filling voids in maxillary single-rooted teeth
Autor Bodanezi, Augusto
Munhoz, Etiene de Andrade
Capelozza, Ana Lucia Alvares
Bernardineli, Norberti
Moraes, Ivaldo Gomes de
Garcia, Roberto Brandão
Bramante, Clovis Monteiro
Abstract Objective: This study compared the infJuence of three epoxy resin-based sealers with distinct radiopacities on the observers' ability to detect root canal filling voids during radiographic analysis. Material and methods: The root canais of 48 extracted maxillary canines were prepared and divided into three groups. Each group was laterally condensed with one sea/er (AH P/us™, Acrosea/® o r a non-radiopaque sealer), and a longitudinal void was simulated in half of the specimens from each group (n=S). Buccolingual radiographs were obtained and randomly interpreted for voids by a radiologist and an endodontist in a blinded fashion. Teeth were cut and inspected under a microscope to confirm the position of void. Differences in sensitivity and specificity between groups and examiners were compared using the Fisher's Exact and McNemar tests, respectively (a=O.OS). Results: Significantly lower sensitivity leveis (p<O.OS) were observed in the coronal portion of fillings performed with both radiopaque sealers. Specificity va/ues for Acroseal® were significantly higher (p<O.OS) in the coronal and apical portions of fillings. Conclusions: The type of root canal sealer can affect the observers' ability to detect root canal filling voids during radiographic analysis of upper single-rooted teeth.
Contido em Journal of applied oral science. Bauru. Vol. 20, no. 4 (July/Aug. 2012), p. 404-409
Assunto Canais radiculares : Obturacao
Endodontia
Radiografia dentaria
[en] Epoxy resins
[en] Radiography
[en] Root canal filling materiais
[en] Root canal obturation
[en] Sensitivity
[en] Specificity
Origem Nacional
Tipo Artigo de periódico
URI http://hdl.handle.net/10183/101834
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