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Resumo

In the present investigation, a number of occlusal variables which contribute to malocclusion were quantified among the Kwaio people of Malaita, Solomon Islands. Angle classification, overjet, overbite, openbite, crossbite, rotation, crowding, and spacing were assessed from dental casts of 180 persons (94 males, 86 females) who had complete permanent dentitions anterior to the first molar. Males had significantly more overjet and mandibular incisor crowding than females, and significantly less posterior openbite and mandibular canine‐premolar spacing. The frequency of openbite, rotation of maxillary teeth, and crowding of anterior teeth increased with advancing age. The frequency of posterior crowding decreased after age 30. Spacing, in general, increased with advancing age. In the distribution of the Angle classes of occlusion, the Kwaio resembled Australian aborigines living in technologically primitive circumstances.

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