Fig. 2
From: Incidence of retromolar canal in Egyptian population using CBCT: a retrospective study
Linear measurements between the RMF and the 2nd and 3rd molars in anteroposterior direction. a Sagittal cut: “A” is the line from the RMF perpendicular to the axial plane reference line, “B” is the line tangent to the 3rd molar distal surface and perpendicular to the axial plane reference line, and the linear measurement between the RMF and distal surface of the 3rd molar is 8.77 mm. b Sagittal cut: “A” is the line from the RMF perpendicular to the axial plane reference line, “B” is the line tangent to the 2nd molar distal surface and perpendicular to the axial plane reference line, and the linear measurement between the RMF and distal surface of the 2nd molar is 18.62 mm