Journal of the korean academy of Pediatric Dentistry (대한소아치과학회지)
- Volume 27 Issue 1
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- Pages.98-102
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- 2000
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- 1226-8496(pISSN)
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- 2288-3819(eISSN)
TREATMENT OF ECTOPIC ERUPTING MANDIBULAR FIRST PERMANENT MOLAR CAUSED BY IMPROPERLY RESTORED STAINLESS STEEL CROWN : CASE REPORT
부적절하게 수복된 stainless steel crown에 의해 야기된 하악 제1대구치 이소맹출의 치험례
- Park, Chu-Seok (Department of Pediatric Dentistry, College of Dentistry, Yonsei University) ;
- Choi, Byung-Jai (Department of Pediatric Dentistry, College of Dentistry, Yonsei University) ;
- Sohn, Heung-Kyu (Department of Pediatric Dentistry, College of Dentistry, Yonsei University)
- Published : 2000.02.29
Abstract
Ectopic eruption is out of a normal position by local eruption disturbance in the developing permanent molar. The prevalence of ectopic eruption is reported to be the between 2 and 6%, most often associated maxillary first permanent molar whereas, the occurrence for the mandibular is quite rare. The etiologic factors of ectopic eruption are inadequate arch length, lack of growth in the posterior region of the jaw, mesially inclined eruption path of first permanent molars, abnormally large first permanent molars, hereditary factor and a stainless steel crown which has been improperly restored. Ectopic eruption can be treated by the use of brass wire, separating elastics, distal disking and Humphrey appliance and the use of removable appliance and cervical traction headgear after extraction of the second primary molar. This case was that lower right first permanent molar was mesially tilted state by locking on the stainless steel crown of a lower right second primary molar. The stainless steel crown was removed and Humphrey appliance was set. Like this case, ectopic eruption could be happened by the stainless steel crown which improperly restored. In restoration of the stainless steel crown, selection of proper size, trimming and contouring are very important.
이소맹출이란 영구치열의 발육 과정중에 국소적 맹출장애로 인하여 정상적 위치에서 벗어난 치아의 맹출을 말한다. 일반적으로 이소맹출은
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