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ISSN : 0376-4672
유치열이 혼합치열기를 걸쳐 영구치열로 교환되는소아 및 청소년기에서는 맹출장애를 흔히 관찰할 수있다. 맹출장애는 맹출의 시기와 위치에 따라 지연맹출이나 이소맹출로 구분할 수 있는데 시기와 위치의문제가 복합되면 결국 매복치로 귀결 될 수 있다. 매복치는 병리학적 의미에서 일정한 맹출 시기가 지나도치관이 맹출하지 않고 구강점막 또는 악골 내에 묻혀있는 치아를 의미하지만, 임상적으로는 정상적인 맹출 시기 이전일지라도 치아의 형태, 위치, 방향, 맹출공간 등을 고려할 때 정상적인 맹출시기에 이르러도맹출하지 않을 것으로 예상되는 치아를 의미한다.
Transplantation of one's own teeth from one site to another is called dental autotransplantation. The role of autotransplantation of teeth in several clinical situations, the clinical techniques involved and factors influencing success of the transplant are discussed. Autotransplantation of impacted or retained teeth is an appropriate treatment, if orthodontic traction has failed, especially in growing patients.
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