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. 2019 Nov 30;13(11):1–9. doi: 10.3941/jrcr.v13i11.3687

Table 1.

Classification of the skeletal deformity by Pruzansky modified by Kaban [21]

Type Anatomy of the mandible and temporomandibular joint
I Small mandible
IIA Short mandibular ramus of abnormal shape; glenoid fossa in satisfactory position
IIB TMJ abnormally placed inferiorly, medially and anteriorly
III Absent TMJ