Root canal anatomy study of lower incisors by the clearing technique
Journal Title: RSBO - Year 2007, Vol 4, Issue 1
Abstract
To succeed in the endodontic therapy, it’s a requisite to have full knowledge of the inner root anatomy, as well as its variations. The lower incisors are the tinniest teeth of the human arcade having a root strongly flattened to the mesio-distal way. This flattening is sometimes as big to split the root canal in two, one vestibular and another lingual.This study has utilized the clearing technique (method that allows to see through transparency the diverse root anatomy) to accomplish its objective of analyzing the incidence of the canals present in the cervical third, middle and apical of the incisors’ roots of human lowers. For that purpose, 150 teeth have been obtained from the Teeth Bank of the Odontology Faculty of the University of Passo Fundo, on which the clearing technique and the injection of Naquin ink in the pulp cavity interior were applied, followed by the conservation in the methyl salicylate, allowing to three-dimensionally observe, through transparency, the internal anatomy of the root canal. The results have been analyzed by descriptive statistics, in which it was observed that 81,63% of the analyzed samples have presented one canal in the cervical third; 53,06% have two canals in the middle third and 71,42% have one canal in the apical third. With this it can be concluded that there is a major incidence of the root canal bifurcation in the middle third of the root in relation to the cervical and apical.
Authors and Affiliations
Daniel GALAFASSI, Dieison LAZZARETTI, Aloísio SPAZZIN, José VANNI, Soluete SILVA
Keywords
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