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The Filling Evaluation of Lateral Canals in the Root Canal Obturation

Authors: Guilherme Genovez-Júnior; Thais Maria Freire Fernandes; Sandrine Bittencourt Berger; Alejandra Hortencia Miranda González; Angelica Godinho Ceribelli; Murilo Baena Lopes; Eloisa Aparecida Carlesse Paloco; +1 Authors

The Filling Evaluation of Lateral Canals in the Root Canal Obturation

Abstract

A complexidade anatômica dos canais radiculares, por exemplo, sua forma, curvatura e diversidade da curvatura do raio, bem como a presença de istmo de alto índice e canais laterais, são fatores importantes a serem levados em consideração na terapia endodôntica. Assim, o objetivo neste estudo foi avaliar o preenchimento total de canais laterais simulados com dois diferentes cimentos endodônticos. Foram utilizados 8 dentes anteriores extraídos por razões periodontais. Foram confeccionados canais laterais com uma broca carbide esférica ¼ a uma distância de 4 mm do ápice radicular. Em seguida, os dentes foram radiografados no sentido anteroposterior. Os canais radiculares destes dentes foram preparados utilizando-se de um sistema reciprocante 25.08 acionados por motor elétrico X Smart Plus até o comprimento de trabalho utilizando hipoclorito de sódio 2,5% como solução irrigante. Os dentes foram divididos em 2 grupos (n=4) de acordo com diferentes cimentos endodônticos (AH Plus ou Bio C Sealer). Os canais foram secos com pontas de papel absorvente, depois foram preenchidos com cone médio e diferentes cimentos endodônticos. O preenchimento total de canais laterais simulados foram avaliados a partir de novas radiografias digitais realizadas após obturação dos dentes. Os canais laterais simulados não foram completamente preenchidos, independentemente do cimento endodôntico utilizado, e os resultados demonstraram que os diferentes cimentos avaliados não preencheram os canais radiculares laterais simulados. Palavras-chave: Endodontia. Obturação do Canal Radicular. Materiais Restauradores do Canal Radicular. Abstract The anatomical complexity of root canals, for instance, their shape, curvature and radius curvature diversity, as well as the presence of high index isthmus and lateral canals are important factors to be taken into consideration in endodontic therapy. Thus, the aim of the present study was to assess complete filling of simulated lateral canals with two different endodontic cements. Eight anterior teeth extracted due to periodontal reasons were used in the experiment. Lateral canals were opened with ¼ spherical-shaped carbide drill 4 mm away from the root apex. Teeth were subjected to X-ray in anteroposterior position. The root canals of these teeth were prepared with the aid of a 25.08 reciprocating system in electrically driven motor X Smart Plus for its working length by using 2.5% sodium hypochlorite as irrigating solution. The teeth were divided into 2 groups (n=4) according to different endodontic cements (AH Plus or Bio C Sealer). Root canals were dried with paper points, afterwards were filling with medium cone and different endodontic cements. The complete filling of simulated lateral canals was assessed based on new digital radiographs taken after teeth filling. The simulated lateral canals were not completely filled, regardless of the used endodontic cement. Results have shown that the different assessed cements did not fill the simulated lateral root canals. Keywords: Endodontics. Root Canal Filling. Root Canal Sealer Materials. 

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citations
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
bronze