Journal of the Korean Academy of Pediatric Dentistry 2009;36(2):293-297.
Published online May 31, 2009.
ORTHODONTIC TRACTION AFTER THE TRAUMATIC INTRUSION OF UPPER CENTRAL INCISOR
연세대학교 치과대학 소아치과학교실, 구강과학연구소 
외상에 의하여 함입된 상악 중절치의 교정적 견인
한윤범, 이제호, 최형준, 손흥규, 김성오, 송제선, 최병재
연세대학교 치과대학 소아치과학교실, 구강과학연구소
Correspondence:  , 
Received: 18 September 2008   • Accepted: 15 November 2008
Abstract
Traumatic intrusion is a type of injury that involves axial displacement of a tooth toward the alveolar bone. Its occurance is relatively rare compared to other types of luxation in permanent dentition. It is more common in boys than in girls, and most common etiology of intrusion is fallen down. Various complication may occur following traumatic intrusion, such as pulp necrosis, root resorption, pulp obliteration and marginal bone loss. In addition, traumatic intrusion is commonly combined with hard or soft tissue injuries. Therefore, it is difficult to establish proper treatment plan. Choice of treatment for an intruded tooth by trauma include waiting for spontaneous re-eruption, orthodontic repositioning, and surgical repositioning. In this case, we repositioned the intruded central incisor using orthodontic traction, in a six-year old girl, which failed to re-erupt spontaneously.
Key Words: Intrusion, Orthodontic traction, Tooth injury


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