West China Journal of Stomatology ›› 2018, Vol. 36 ›› Issue (2): 229-231.doi: 10.7518/hxkq.2018.02.022

• Orginal Article • Previous Articles    

Maxillary first premolar with four canals: a case report

Yang Meng(), Degang. Sun   

  1. Dept. of Conservative Dentistry and Endodontics, Qingdao Stomatological Hospital, Qingdao 266000, China
  • Received:2017-10-25 Revised:2018-01-09 Online:2018-04-10 Published:2018-04-10

Abstract:

This article presented a case of discovering and diagnosing three roots with four canals of the maxillary first premolar. We found and located the extra root canal by clinical diagnosis, careful observation during the operation, and mul-tiangle X-ray. We further confirmed the existence of the three roots with four canals with the help of cone-beam computed tomography. Finally, we verified the success of the high-quality root-canal therapy through root optical microscopy.

Key words: maxillary first premolar, root canal anatomy, root canal treatment

CLC Number: