twelve uncorrelated factors were extracted which account for 91 % of the total variance and these were identified as : 1 ) retrognathic facial type , 2 ) anterior dentoalveolar height , 3 ) maxillary body length , 4 ) cranial base and facial width , 5 ) mandibular ramus height , 6 ) anterior maxillary body height , 7 ) mandibular length , 8 ) cranial vault height , 9 ) vertical position of the condyles , 10 ) cranial vault and clivus length , 11 ) bigonial width , and 12 ) cranial vault width .
C0015450
facial
C0024687
mandibular