Zeliha Ugur Kerem Engin Akpinar Demet Altunbas
10.17096/jiufd.03732
J Istanb Univ Fac Dent
2017 Oct 2;51(3):50-54.
root canals anatomy endodontic treatment premolar tooth variation
CC BY-NC-ND
https://pubmed.ncbi.nlm.nih.gov/29114431/
Case Reports
PMC5624146
29114431
Maxillary first premolars with three root canals: two case reports
2017