매복된 하악 견치의 치험례
Impaction of mandibular canines
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초록
하악 견치의 매복은 흔하지 않으며, 특히 정중선을 지나서 전위 매복되는 경우는 매우 드물다. 매복 견치의 처치는 장애물의 존재 여부와 매복 위치와 방향, 맹출 가능한 공간의 유무, 치근의 형성 단계에 따라, 맹출 장애 요인을 제거한 후의 주기적 관찰 및 외과적 노출과 교정적 견인, 치아 이식, 외과적 발치 등의 방법으로 이루어진다. 본 두 증례 중 치아종과 함치성 낭종을 동반한 매복 견치를 갖는 환아에서 외과적 노출과 교정적 견인을 시행하였고, 함치성 낭종과 과잉치에 의해 매복된 하악 견치를 갖는 환아에서는 견치가 전위 매복된 상태로, 교정적 견인이 어렵다고 판단되어 자가 이식 후 근관 치료와 교정 치료를 시행하였다.
Abstract
Impaction of mandibular canine is not common, and transmigration of mandibular canine is rare. Treatment of impacted canine can be removal of physical obstacle and periodic observation, surgical exposure of impacted tooth and orthodontic traction, autotransplantation, surgical extraction. Management of impacted canine depends on existence of physical obstacle, position and direction of impacted tooth, space available for canine eruption, stage of root development. Of the two case in this report, one case involved impaction of lower canine with odontoma and dentigerous cyst that is treated by surgical exposure and orthodontic traction. The other case involved transmigration of lower canine with supernumerary teeth. It was thought difficult to treat only by orthodontic treatment, so the impacted canine was transplanted to its normal position and orthodontic treatment was conducted.
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