지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2021.11
- 수록면
- 407 - 418 (12page)
이용수
초록· 키워드
오류제보하기
Objective: To investigate differences in the heritability of skeletodental characteristics between twin pairs with skeletal Class I and Class II malocclusions. Methods: Forty Korean adult twin pairs were divided into Class I (C-I) group (0° ≤ angle between point A, nasion, and point B [ANB]) ≤ 4°; mean age, 40.7 years) and Class II (C-II) group (ANB ＞ 4°; mean age, 43.0 years). Each group comprised 14 monozygotic and 6 dizygotic twin pairs. Thirty-three cephalometric variables were measured using lateral cephalograms and were categorized as the anteroposterior, vertical, dental, mandible, and cranial base characteristics. The ACE model was used to calculate heritability (A ＞ 0.7, high heritability). Thereafter, principal component analysis (PCA) was performed. Results: Twin pairs in C-I group exhibited high heritability values in the facial anteroposterior characteristics, inclination of the maxillary and mandibular incisors, mandibular body length, and cranial base angles. Twin pairs in C-II group showed high heritability values in vertical facial height, ramus height, effective mandibular length, and cranial base length. PCA extracted eight components with 88.3% in the C-I group and seven components with 91.0% cumulative explanation in the C-II group. Conclusions: Differences in the heritability of skeletodental characteristics between twin pairs with skeletal Class I and II malocclusions might provide valuable information for growth prediction and treatment planning.
목차
INTRODUCTION
MATERIALS AND METHODS
RESULTS
DISCUSSION
CONCLUSION
REFERENCES
참고문헌 (25)
참고문헌 신청
Ricketts RM / 1960 / The influence of orthodontic treatment on facial growth and development / Angle Orthod 30:103~133
Ricketts RM / 1972 / A principle of arcial growth of the mandible / Angle Orthod 42:368~386
Johnston LE / 1975 / A simplified approach to prediction / Am J Orthod 67:253~257
Ricketts RM. Perspectives in the clinical application of cephalometrics / 1981 / The first fifty years / Angle Orthod 51:115~150
Nakasima A / 1982 / Hereditary factors in the craniofacial morphology of Angle's Class II and Class III malocclusions / Am J Orthod 82:150~156
Ricketts RM / 1972 / A principle of arcial growth of the mandible / Angle Orthod 42:368~386
Johnston LE / 1975 / A simplified approach to prediction / Am J Orthod 67:253~257
Ricketts RM. Perspectives in the clinical application of cephalometrics / 1981 / The first fifty years / Angle Orthod 51:115~150
Nakasima A / 1982 / Hereditary factors in the craniofacial morphology of Angle's Class II and Class III malocclusions / Am J Orthod 82:150~156
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