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Biprogressive Therapy 에 依한 Angle Ⅱ級1類 不正咬合의 矯正治驗例
鄭奎林(Kyu-Rhim Chung) 대한치과교정학회 1983 대한치과교정학회지 Vol.13 No.2
Widths between the first permanent molars and the mesio-distal widths of the four anterior teeth were measured on 32 lower and 33 upper dental casts of young adults aged 18-25 yerars. The casts were, grouped in five categories-two where no anterior crowding existed, and three in which varying degrees of crowding were present. Subjects with a difference between arch width and anterior tooth widths greater than 4mm in the upper arch, or 10mm in the lower arch, rarely had crowding. As arch width changes very little from age 7 onwards, measurements at this age maybe used as a screening mechansim for future arch crowding.
Bioprogressive Mechanism에 의한 CIⅢ부정교합의 치험예
정규림(Kyu-Rhim Chung),권기열(ki-Youl Kwon) 대한치과교정학회 1985 대한치과교정학회지 Vol.15 No.2
This present paper describes 3 clinical cases which were treated with Bioprogressive mechanism. Each patient has shown a deficient maxilla combined with prognathic and steep mandible. The purpose of treatment was planned to obtain the forward growth of maxilla and redirectioning of mandibular growth. The most noteworthy approach in the treatment was the application of Cl Ⅲ intermaxillary elastics with upper protraction utility arch immediately after rapid moxillary expansion. In the analysis of the data obtained from pre-and post treatment lateral cephalogram, the result achieved by this method is very favolable to the corrextion of anteroposterior relationship of maxilla and mandible.
Elastic Open Activator를 이용한 II급 부정 교합의 치료효과
정규림(Kyu-Rhim Chung),박영국(Young-Guk Park),이현경(Hyun-Kyung Lee) 대한치과교정학회 1995 대한치과교정학회지 Vol.25 No.5
Elastic Open Activator(E.O.A)는 myodynamic activator의` 일종으로서 장치의 아크릴 부위의 대폭적인 크기 감소로 환자가 거부감 없이 장시간 착용할 수 있는 장점을 가지며, 구강내에서 매우 느슨하게 장착되므로써 보다 적극적인 근기능 자극 효과를 나타내고, 구강 내외의 제 기능시 발휘되는 생리적인 힘을 효율적으로 치조골 및 악관절부에 전달시킨다. 특히 기능모체(functional matrix)를 효과적으로 차단하는 동시에 능동적으로 자극함으로써 많은 부정교합 증례에서 비발치에 의한 교정치료의 성공률을 높이는 것으로 사료된다. 이 연구는 혼합치열기 및 초기 영구치열기의 II급 부정교합 환자에서 사용된 E.O.A.의 치료효과를 구명하기 위하여 시행되었으며 경희의료원 교정과에 내원하여 II급 1류 및 2류 부정교합으로 진단되었던 각각 9명과 5명의 치료 전후 cephalogram 및 석고모형을 비교분석한 후 결과를 평가하여 다음과 같은 결론을 얻었다. 1. 상악골은 두 군 모두에서 정상적인 성장 양태를 유지하였다. 2. 하악골은 두 군 모두에서 크게 전하방 성장되었다. 3. 상악 전치는 II급 1류 부정교합자에서는 설측, II급 2류 부정교합자에서는 순측 경사되었고 두 군 모두에서 상하악전치부 치조골 수직 성장이 억제되었다. 4. 하악 전치는 두 군 모두에서 약간 순측 경사되었다. 5. 두 군 모두에서 상, 하악 치궁의 확장이 일어났으며 II급 2류 부정교합자에서 가용 공극의 길이가 증가되었다. The elastic open activator is one of the modified myodynamic activator. The reduced size of the appliance mass motivates the patients´ comfort and longer time of wearing. Its peculiarities in loose fitting and the lack of appliance stabilization in the mouth draws the tongue and the surrounding functional matrices on close interaction with the appliance, consigns the physiologic exertion to target structures, and eventually makes it feasible to the inland of non-extraction treatment. In the context of the sagittal malocclusion, the orthodontic trench is dependent upon the growth of basal structure aimed, therefore, it is contemplated to grabble the effects of Elastic Open Activator upon the class II malocclusion of growing child retrospectively. The cephalometric headfilms and study models of nine class II malocclusion of growing child retrospectively. The cephalometric headfilms and study models of nine class II division 1 and five division 2 patients were evaluated and analyzed, and the following observations were drawn ; 1. The maxilla maintained a normal growth pattern in both groups. 2. The mandible grew anteroinferiorly in both groups. 3. The upper incisors tipped ligually in Class II division 1 and tipped labially in Class II division 2 and anterior vertical alveolar growth was interrupted in both groups. 4. The lower incisors tipped labially. 5.There was an arch expansion in both groups and increase of available space in Class II division 2.
Bioprogressive Mcchanism에 의한 ClassⅠ부정교합의 교정치험예
정규림(Kyu-Rhim Chung) 대한치과교정학회 1980 대한치과교정학회지 Vol.10 No.1
The present paper describes 3 clinical cases in which the orthodontic, treatment was effected by the Bioprogressive therapy following the extraction of the upper and lower first premolars. What is most noteworthy in the present treatment is the use of a systems approach to diagnosis and treatment by the application of the visual treatment objective in planning treatment, evaluating anchorage and monitoring results, and the rest being performed routinely by Bioprogressive mechanism. The result achieved by this method is very favorable and the efficiency of the Bioprogressive therapy is quite satisfactory.
성인 교정치료를 위한 피질골절단술(Corticotomy)의 임상 적용
이백수,황혜욱,정규림,Lee, Baek-Soo,Hwang, Hye-Wook,Chung, Kyu-Rhim 대한악안면성형재건외과학회 1999 Maxillofacial Plastic Reconstructive Surgery Vol.21 No.3
In adult patients, the corrections of their malocclusion may be more difficult and require longer treatment time due to thicker layer of cortical bone and reduced blood supply. Recently, various methods such as surgery, implant for anchorage and corticotomy have been tried to overcome these problems. Corticotomy is a surgical technique in which a fissure is made through the cortical bone that surrounds a tooth so that the tooth is embedded within a block of bone that is connected to adjacent blocks through only the medullary bone. Technique of corticotomy has been widely used for correction of maxillary transverse deficiency, but hasn't actively in other fields of orthodontics. We applied corticotomies in many types of orthodontic treatment and had satisfactory results. We suggested clinical application of corticotomy in adult orthodontics to reduce treatment period and to achieve better stability after orthodontic treatment.