유치열기 Ⅲ급 부정교합 아동에 관한 두부방사선계측학적 연구
A Roentgenocephalometric Study On The Children Of Class Ⅲ Malocclusion In The Primary Dentition
이영림, 손동수,
소속 상세정보
이영림 ( ) - 서울대학교
손동수 ( ) - 서울대학교 치과대학 소아치과학교실
KMID : 0358919820090010065
Abstract
저자는 예방교정학적 측면에서 유치열기 Ⅲ급 부정교합 아동의 두개 안모의 형태학적인 특
징을 알아보기 위해서 Ⅲ급 부정교합을 가진 4세∼5세 아동 남녀 36명과 4세-5세 정상교합
아동 남녀 40명에 대해서 두부방사선 계측학적 비교 연루를 한 바유치열기 Ⅲ급 부정교합에
대해 다음과 같은 결론을 얻었다
1 악골간 전후관계의 부조화가 비교적 현저하게 나타났다.
2. 남자에서는 상악골의 후퇴양상이, 여자에서는 하악골의 전돌양상이 특징적으로 나타났다.
3..남자에서 하악평면의 경사도가 크게 나타났다.
4. 우각이 크게 나타났다. ,
5. 안면 돌출도가 작게 나타났다.
6. 여자에서 하악전치가 설측경사되어 있는 것으로 나타났다.
7. 남자에서는 상악골은 정상범위보다 후방에, 하악골은 정상범위에 위치하는 경우와 상하악
골이 모두 정상범위에 위치하는 경우가 가장 말게 나타났으며, 여자에서는 상악골은 정상범
위에, 하악골은 정상범위보다 전방에 위치하는 경우가 가장 많게 나타났다.
#초록#
This study was undertaken to investigate the craniofacial and dental morphologic
characteristics of class fill malocclusion in the primary dentition and to determine the
incidence of various classⅢ craniofacial skeletal profiles The materials use4 in this
study were cephalometric radiographs of 76 children in primary dentition with, class Ⅲ
malocclusion (male 18, female 18) and with normal occlusion (male 20, female 20). Each
cephalometric radiographs were traced and the angular and linear measurements were
made and analyzed. The following characteristics of the craniofacial and dental
morphology of class Ⅲ malocclusion in the primary dentition were observed.
1. The anteroposterior relationship of the jaws was disharmonized in class Ⅲ
malocclusion.
2. In males, the maxilla of class Ⅲ malocclusion tended to be less prognathic and in
females, the mandible of class Ⅲ malocclusion was more prognathic than that of normal
occlusion, respectively.
3. The mandibular plane of class Ⅲ malocclusion was more steeply inclined than that of
normal occlusion in males. .
4. The genial angle of class Ⅲ malocclusion was greater than that of normal occlusion
both in males and in females.
5. The face of class Ⅲ malocclusion was less convex than that of normal occlusion both
in males and in females.
6. The lower incisor of class Ⅲ malocclusion was inclined further lingually than that of
normal occlusion in females.
7. In males, the pattern in which maxilla was below the normal range of prognathism
while mandible was within the normal range of prognathism and the pattern in which
both maxilla and mandible were within the normal range of prognathism were most
common.
In females, the pattern in which maxilla was within the normal range of prognathism
while mandible was beyond the normal range of prognathism was most common.
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