In permanent teeth, two pulp canals are most commonly found in the
palatal root of maxillary first premolars.
distobuccal root of maxillary molars.
distal root of mandibular first molars.
mesial root of mandibular first molars
1 explanations
oneguy
60-70% mandibular first molars have two canals in the mesial root. Among these teeth around 60 % have the mesial canals remained divided throughout the length, and around 40 have the mesial canals converged into one in the apical third with a common foramen.
oneguy