to this end , the changes in the sna , snb , n-s-gn , and the sn-gogn angles , face height ( n-m ) , the anterior movement of pogonion , and the annualized mandibular growth increment ( ar-gn ) in a group of patients treated with the fr-2 were compared to the changes noted in similar groups of patients treated by the edgewise technique and the light-wire mechanism .
C0015450
face
C0024687
mandibular