Prevalence of Second Mesiobuccal Canals in Maxillary First Molars Detected Using Cone-beam Computed Tomography, Direct Occlusal Access, and Coronal Plane Grinding.
Journal of Endodontics(2017)
摘要
•The results of this study demonstrate that an MB2 canal is present up to 92% of the time.•Clinical access of teeth found more MB2 canals than viewing CBCT volumes alone (P =.032).•Exposing every patient to a preoperative CBCT scan may not be appropriate.•When the MB2 canal is not found clinically a CBCT scan can increase the chances of finding it (P <.001).
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关键词
Cone-beam computed tomography,coronal plane grinding,direct occlusal access,maxillary first molar,mesiolingual canal,prevalence,second mesiobuccal canal
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