Incidence of extra root canals in maxillary permanent first molar and its significance.
Abdel-Aziz
S M
SM
Gomaa
M M
MM
D003786:Dental Pulp Cavity / Q000002:abnormalities* / Q000033:anatomy & histology; D005260:Female; D006801:Humans; D008297:Male; D008437:Maxilla; D008963:Molar / Q000002:abnormalities / Q000033:anatomy & histology; D012390:Root Canal Therapy