The Journal of Korean Academy of Prosthodontics (대한치과보철학회지)
- Volume 34 Issue 3
- /
- Pages.415-430
- /
- 1996
- /
- 0301-2875(pISSN)
- /
- 2005-3789(eISSN)
A PHOTOELASTIC STRESS ANLYSIS IN THE SURROUNDING TISSUES OF TEETH SEATED BY INDIRECT RETAINERS WHEN APPLIED DISLODGING FORCES ON UNILATERAL DISTRAL EXTENTION PARTIAL DENTURES
편측성 후방연장 국소의치의 의치상에 이탈력이 가해질 때 간접유지장치가 장착된 치아 주위조직에 발생하는 응력에 관한 광탄성 분석
- Son, Jee-Young (Department of Prothodontics, College of Dentistry, Kyungpook National University) ;
- Lee, Cheong-Hee (Department of Prothodontics, College of Dentistry, Kyungpook National University) ;
- Jo, Kwang-Hun (Department of Prothodontics, College of Dentistry, Kyungpook National University)
- Published : 1996.09.01
Abstract
The purpose of this study was to evaluate the stress distributions in the surrounding tissues of the teeth seated by indirect retainers in three different teeth of unilateral distal extension partial denture when the dislodging forces were applied on denture bases. Three dimensional photoelastic models were made. The teeth on which indirect retainers were seated were mandibular left lateral incisor (Model I), canine (Model II), and first premolar (Model III). The dislodging force with 860mg at
하악좌측 제1대구치와 하악 좌측 제2대구치, 하악우측 제2소구치를 주지대치로 사용하고 하악우측 제1대구치와 하악 우측 제2대구치가 상실된 Kennedy 분류 II급 후방연장 국소의치에서 하악좌측 측절치에 incisal hook rest를 간접유지장치로 가지는 경운(Model I), 하악좌측 견치에 cingulum rest를 간접유지장치로 가지는 경우(Model II), 하악좌측 제1소구치에 근심교합면 레스트를 간접유지장치로 가지는 경우(Model III)의 모형에서, 상실된 하악우측제2대구치의 원심 변연융선에 해당하는 부위에 고리를 형성하여 교합평면에서 전상방
Keywords