نتایج جستجو برای: first permanent molar
تعداد نتایج: 1516772 فیلتر نتایج به سال:
Ectopic eruption of the first permanent molar means that erupts at an angle usually mesial to its normal path eruption, causing atypical resorption in distal root second deciduos molar. In some cases frees itself and reaches oclusion, others, is needed bring oclusion. The prevalence ectopic has been reported be about 3%.
canal) in the extracted permanent maxillary first molars of a Sulaimani population. An ex vivo study on 180 extracted permanent maxillary first molars was conducted and the floor of the pulp was clearly exposed. The canal orifice was examined clinically by the aid of a chelating agent and magnifying lens. Patency of each canal was established by a no.10 k-type file. The results showed that 23.3...
OBJECTIVES The purpose of the present study was to retrospectively analyze 170 case series of patients with 200 impacted first and second permanent molars. STUDY DESIGN Records of 104.408 patients were retrospectively screened in this multicenter study. The chosen study population consists of 170 patients who presented with impacted or retained first and second permanent molar. All patients w...
taurodontism is a rare dental anomaly in which the involved tooth has an enlarged and elongated body and pulp chamber with apical displacement of the pulpal floor. endodontic treatment of these teeth is challenging, because it is hard to identify the number of root canals. in this article a case of bilateral involvement of maxillary first molars is presented. endodontic treatment of right maxil...
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