With the exposure obtained, lesions within the posterior ramus
were removed with endoscopic assistance.
Gonial angle is measured as an intersection between two tangents i.e one tangent to the lower border of the mandible and another tangent to the posterior ramus
.10,11 Lateral head films show superimposition of the image of the lower border of lower jaw which makes accurate measurement of the angle difficult.12
Squamosal delicate; anterior arm slender; posterior arm three fifths length of anterior arm, medial ala overlying dorsolateral surface of crista parotica; ventral arm well developed, distally articulating with quadratojugal laterally and posterior ramus
of pterygoid medially.