Class I and Class III malocclusion sub-groupings related to headform type.
Different headform types establish different lines of craniofacial growth resulting in anatomic sub-groupings of Classes I, II, and III with characteristic morphologic features. Several key basicranial and facial relationships are involved, with the nasal region particularly significant in group distinctions.
Martone
V D
VD
School of Dentistry, Case Western Reserve University, Cleveland, OH 44106.
Enlow
D H
DH
Hans
M G
MG
Broadbent
B H
BH
Oyen
O
O
D000293:Adolescent; D000328:Adult; D044383:Black People; D002508:Cephalometry; D002648:Child; D005145:Face; D006801:Humans; D008297:Male; D008311:Malocclusion, Angle Class I / Q000145:classification / Q000473:pathology*; D008313:Malocclusion, Angle Class III / Q000145:classification / Q000473:pathology*; D008334:Mandible / Q000473:pathology; D008437:Maxilla / Q000473:pathology; D009666:Nose / Q000473:pathology; D011378:Prognathism / Q000473:pathology; D063173:Retrognathia / Q000473:pathology; D012886:Skull / Q000473:pathology*