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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2007.8
- 수록면
- 483 - 490 (8page)
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The aim of this study was to investigate the relationship between the mandibular antegonial notch and the mandibular morphology, and the curve of Spee in anteroposterior skeletal relationship.
Pre-treatment lateral cephalograms were obtained from 80(male 34, female 46) adult orthodontic patients and the samples were classified into 3 categories by ANB angle(0°≤ANB＜4° Class Ⅰ, 4°≤ANB Class Ⅱ, ANB＜0° Class Ⅲ). The curve of Spee was measured directly from the pre-treatment mandibular study cast of each patient included in this study.
Pearson correlation coefficient test and multiple regression analysis in each group revealed the following results;
1. Antegonial notch depth was positively correlated with both lower anterior facial height(ANS-Me) in sketetal Class Ⅰ, Ⅱ and Ⅲ groups and Id-Me height in skeletal Class Ⅰ and Ⅱ groups.
2. A statistically significant negative correlation was found between the depth of the antegonial notch and the curve of Spee in the Class Ⅲ group.
3. Significant relationship was not found between the antegonial notch depth and any of the other cephalometric variables such as mandibular body length(Go-Gn) and ramus height(Co-Go).
As antegonial notch depth increased, more vertical growth of the mandible was observed. Antegonial notch can be used as a predictor of vertical mandibular growth in the diagnesis and treatment planning of malocclusion.
Pre-treatment lateral cephalograms were obtained from 80(male 34, female 46) adult orthodontic patients and the samples were classified into 3 categories by ANB angle(0°≤ANB＜4° Class Ⅰ, 4°≤ANB Class Ⅱ, ANB＜0° Class Ⅲ). The curve of Spee was measured directly from the pre-treatment mandibular study cast of each patient included in this study.
Pearson correlation coefficient test and multiple regression analysis in each group revealed the following results;
1. Antegonial notch depth was positively correlated with both lower anterior facial height(ANS-Me) in sketetal Class Ⅰ, Ⅱ and Ⅲ groups and Id-Me height in skeletal Class Ⅰ and Ⅱ groups.
2. A statistically significant negative correlation was found between the depth of the antegonial notch and the curve of Spee in the Class Ⅲ group.
3. Significant relationship was not found between the antegonial notch depth and any of the other cephalometric variables such as mandibular body length(Go-Gn) and ramus height(Co-Go).
As antegonial notch depth increased, more vertical growth of the mandible was observed. Antegonial notch can be used as a predictor of vertical mandibular growth in the diagnesis and treatment planning of malocclusion.
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ABSTRACT
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연구 대상 및 방법
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UCI(KEPA) : I410-ECN-0101-2013-515-003380946