The length of the buccal root trunk of the permanent mandibular first molar is __________?

Show Answers

Approximately the same length as the mesial bifurcation of the maxillary first molarAbout equal in length to the buccal bifurcation of the maxillary first molarEquivalent in length to the crown of the toothNone of the above

Explanation

The buccal root trunk of the permanent mandibular first molar is roughly equal in length to the mesial bifurcation of the maxillary first molar, making option A the correct choice.