Modified halterman appliance를 이용한 상악 제1대구치의 성공적 맹출유도
Treatment of ectopic eruption of maxillary permanent first molars with modified halterman appliance
전상윤, 이상호, 이난영, 박승효,
소속 상세정보
전상윤 ( Jeon Sang-Yun ) - 조선대학교 치의학전문대학원 소아치과학교실
이상호 ( Lee Sang-Ho ) - 조선대학교 치의학전문대학원 소아치과학교실
이난영 ( Lee Nan-Young ) - 조선대학교 치의학전문대학원 소아치과학교실
박승효 ( Park Seung-Hyo ) - 조선대학교 치의학전문대학원 소아치과학교실
KMID : 0353320120360010057
Abstract
Ectopic eruption is defined as eruption of teeth into an abnormal position due to variable local factors, including disharmony of the tooth-jaw relationship. The prevalence of ectopic eruption has been reported to vary between 0.75-6%. Most ectopic eruptions occur in the maxilla. Methods of treatment are classified as follows: appliances that work on the contact point for unlocking andare cemented on more than one tooth for distal movement, and space regaining after extraction of a deciduous molar. In the first case, ectopic eruption of the first permanent molar was observed, with a second deciduous molar having a resorbed root. In the second case, a second deciduous molar was determined to be sufficient for single anchorage. In the first case, we treated the ectopic eruption with a bilateral modified halterman appliance and a unilateral appliance was used for the second case. A modified halterman appliance can be regarded as a good solution for treatment of ectopic eruption of maxillary first permanent molars.
키워드
Ectopic tooth eruption; Permanent first molar; Modified halterman appliance
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