치조열 환자에 있어서 이차 골성형술 후의 예후에 관한 임상적 연구
A clinical study on the prognosis after secondary osteoplasty in the cleft alveolous patient
김양배, 이정근, 남기원,
소속 상세정보
김양배 ( ) - 서울대학교
이정근 ( ) - 서울대학교
남기원 ( Nam Ki-Weon ) - 서울대학교
KMID : 0355619950210020183
Abstract
Many kinds of anomalies have emerged in oral and maxillofacial area. Cleft lip and palate is one of the congenital anomalies of this area. Cleft alveolus appears in 75% of total cleft palate cases and various opinions are suggested for the
correction of
cleft alveolus.
Treatment goal of the cleft alveolus is the restoration of normal function of the hard tissue, hence the bone graft is the essential procedure. But the operation timing is a matter of dispute. Primary bone graft is performed before the completion
of the
primary dentition, and the secondary bone graft is performed after the completion of the primary dentition. We have performed the secondary osteoplastic surgery for restoration of normal tooth-bearing function, for establishment of esthetic
occlusion,
and as a prerequisite to orthognatihic surgery in order to correct the undergrowth of the maxilla due to cleft palate and alveolus.
The object of our study lies in the study of the alveolar bone change after secondary osteoplasty via the evaluation of bony bridge and the cleft side canine state after secondary bone graft into cleft alveolus.
29 patients between the age of 9 and 38 was the subject of this study and 21 cases were followed up. Follow up period is from immediate post-operative time to post-operative 20 months, of which the mean value is 7 months 10 days. The evaluation
of
bony
bridge is based on the Abyholm criteria (1981), and the results were as follows : typeⅠ16, typeⅡ4, and typeⅢ1 cases, respectively. The canine state of follow up time were evaluated : Self erupting consists of 5 cases, and orthodontic guidance
4
cases
of total 9 cases of unerupted canine at the time of osteoplasty. Erupting canine at the time of surgery were 5 cases.
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