Violation
Which of the following root surfaces is most likely to be strip-perforated during canal instrumentation of the mesial root of a mandibular first molar?
Distal
Mesial
Lingual
Facial
Which of the following root surfaces is most likely to be strip-perforated during canal instrumentation of the mesial root of a mandibular first molar?
Distal
Mesial
Lingual
Facial