Cephalometric characteristics of Class II division 1 and Class II division 2 malocclusions: a comparative study in children.
A comparison of dentoskeletal morphology in 347 Class II division 1 and 156 Class II division 2 malocclusions was performed using lateral cephalometric radiographs. Children at the ages of 8-10 years and 11-13 years were evaluated. The results of the study revealed broad variations in the variables analyzed. Skeletal Class II and Class III as well as hypo- and hyperdivergent maxillary/mandibular jaw base relationships were seen in both malocclusion samples. Noteworthy was the high frequency of cases with mandibular retrusion (Class II division 1 sample: 48% of the younger and 29% of the older subjects; Class II division 2 sample: 48% of the younger and 49% of the older subjects) and a short lower face (97%-100%). In conclusion it can be said that, except for the position of the maxillary incisors, no basic difference in dentoskeletal morphology exists between Class II division 1 and Class II division 2 malocclusions.
Pancherz
H
H
Department of Orthodontics, University of Giessen, Germany.
Zieber
K
K
Hoyer
B
B
D000293:Adolescent; D002508:Cephalometry; D002648:Child; D003481:Cuspid / Q000473:pathology; D005145:Face; D005147:Facial Bones / Q000473:pathology; D005260:Female; D006801:Humans; D007180:Incisor / Q000473:pathology; D008297:Male; D008312:Malocclusion, Angle Class II / Q000145:classification / Q000473:pathology*; D008334:Mandible / Q000473:pathology; D008437:Maxilla / Q000473:pathology; D008963:Molar / Q000473:pathology; D063173:Retrognathia / Q000473:pathology; D014070:Tooth / Q000473:pathology; D014094:Tooth, Deciduous / Q000473:pathology; D014716:Vertical Dimension