The korean journal of orthodontics (대한치과교정학회지)
- Volume 13 Issue 1
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- Pages.31-43
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- 1983
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- 2234-7518(pISSN)
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- 2005-372X(eISSN)
A STUDY ON OCCLUSAL PATTERNS OF HANDICAPPED PERSONS
심신장애자의 교합양상에 관한 연구
- Kim, Nam Soo (Department of Dentistry, Chosun University) ;
- Lee, Dong Joo (Department of Dentistry, Chosun University)
- Published : 1983.03.01
Abstract
The following results were abtained based on the research of the occlusal patterns among 1074 handicapped persons (cerebral palsy: 46, mental subnormality: 619, deafmute: 285, blind: 111, childish autism:8, cleft lip and cleft palate:3, polimyelitis:2) of the age between 6 and 23 in Chollanamdo, Korea, in comparison with a normal group of 1048 children of the age between 6 and 15 selected at random in J primary school in Gwang-ju City. 1. According to Angle's malocclusion classification, all the handicapped groups, except the cerebral palsy and the blind, showed a higher prevalence of malocclusion than that of the normal. Especially the prevalence of Class II, devision 1 malocclusion in the cerebral palsy was the highest, and the prevalence of Class III malocclusion in all the handicapped groups was higher than that of the normal group. Among these groups the highest prevalence of Class III malocclusion was in the Down's syndrome group. 2. On the the abnormal pattern of the anterior region, there was no significant difference
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