유치와 영구치의 외상에 관한 연구
A RETROSPECTIVE STUDY OF THE TRAUMATIC INJURIES IN THE PRIMARY AND PERMANENT TEETH
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초록
본 연구는 2003년 1월부터 2007년 7월까지 전남대학교 병원 소아치과와 응급실에 치아 외상을 주소로 내원한 환자 570 명(치아수: 1394개)을 대상으로 연령, 성별분포, 발생원인 및 장소, 손상 받은 치아의 위치 및 유형, 초진시 처치 등에 대한 조사를 통해 외상에 대한 적절한 진단과 치료에 도움이 되고자 시행하였다. 1. 성별에 따른 발생빈도는 1.9:1로 남자의 비율이 높았고, 나이에 따른 발생 빈도는 1세, 6~8세, 17~18세 때 높았다. 2. 외상의 원인은 유치열과 혼합치열에는 넘어진 경우가 가장 많았으며 영구치열에서는 교통사고와 싸움으로 인한 손상 빈 도가 높았다. 외상을 입은 장소는 유치열은 집에서, 혼합치열, 영구치열에는 길에서 비율이 높았다. 3. 외상시 손상 받은 치아의 위치는 유치와 영구치 모두 상악 중절치의 비율이 높았다. 손상의 유형은 유치와 영구치 모두 치주조직의 손상이 많았는데, 유치는 아탈구, 진탕, 함입 순이었으며, 영구치는 아탈구, 진탕, 완전탈구 순이었다. 4. 초진시의 처치는 특별한 처치 없이 경과를 관찰하는 경우가 대부분이었으며, 유치는 33.1%, 영구치에서는 44.5%의 재 내원률을 보였다. 치주조직 손상 후 유치는 20.3%, 영구치는 26.6%의 치수 괴사율을 보였다.
Abstract
This study was carried out to give basic information of traumatic injuries of primary and permanent teeth which can be used for diagnosis and management of injured teeth. From January 2003 to July 2007, 570 children with 1394 teeth who came to pediatric dentistry and emergency center of Chonnam National University Hospital due to the traumatized teeth participated in this study. The following data were investigated. : age, sex, causes and places of trauma, position of injured teeth, types of injury, and treatment at the first visit. 1. Trauma prevailed at the age of 1, 6~8, 17~18 and the rate of males was more likely to be higher than the rate of females(1.9 : 1). 2. The main cause of injury is a fall-down injury for primary and mixed dentition, but is a traffic accident and fighting for permanent dentition, respectably. The place of injury for primary dentition is mainly home(45.3%), while street for mixed and permanent dentition. 3. The position of injured teeth according to the area in the mouth is mainly maxillary anterior teeth in both case of primary and permanent teeth and especially, the ratio of central incisors is high. 4. The periodontal tissue injury occurred the most frequently in the primary and the permanent teeth, but the ratio of hard tissue injury in the permanent teeth increased, compared with the primary teeth. 5. Among treatments at the first visit, observation without actual treatment comprised 75.6% in the primary teeth and 55.4% in the permanent teeth, respectably. The pulp necrosis occurred in 20.3% of the primary teeth and 26.6% of the permanent teeth in the case of the periodontal tissue injuries, respectably.
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