Mesiobucccal roots of maxillary molar teeth had more variation in their canal system than the distobuccal or palatal roots. The root canal configuration of the maxillary second molars was more variable than that of the first molars. CBCT can enhance detection and mapping of the mesiobuccal root-canal system with the potential to improve the quality of root canal treatment.
The prevalence of root fenestration was lower in this Chinese subpopulation than that reported previously in other ethnic groups. CBCT was an effective and convenient tool for identifying and diagnosing RF.
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