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Factors Influencing Prognosis of Traumatized Tooth in Primary Tooth Intrusion

유치 함입 시 외상 치아의 예후에 영향을 미치는 요인

  • Chae, Yongkwon (Department of Pediatric Dentistry, School of Dentistry, Kyung Hee University) ;
  • Han, Yoonkyung (Chamjoeun Dental Hospital) ;
  • Nam, Okhyung (Department of Pediatric Dentistry, School of Dentistry, Kyung Hee University) ;
  • Kim, Misun (Department of Pediatric Dentistry, Kyung Hee University Dental Hospital at Gangdong) ;
  • Lee, Hyoseol (Department of Pediatric Dentistry, School of Dentistry, Kyung Hee University) ;
  • Kim, Kwangchul (Department of Pediatric Dentistry, Kyung Hee University Dental Hospital at Gangdong) ;
  • Choi, Sungchul (Department of Pediatric Dentistry, School of Dentistry, Kyung Hee University)
  • 채용권 (경희대학교 치의학전문대학원 소아치과학교실) ;
  • 한윤경 (참조은치과병원) ;
  • 남옥형 (경희대학교 치의학전문대학원 소아치과학교실) ;
  • 김미선 (강동경희대학교병원 치과병원 소아치과) ;
  • 이효설 (경희대학교 치의학전문대학원 소아치과학교실) ;
  • 김광철 (강동경희대학교병원 치과병원 소아치과) ;
  • 최성철 (경희대학교 치의학전문대학원 소아치과학교실)
  • Received : 2018.06.15
  • Accepted : 2018.08.01
  • Published : 2019.02.28

Abstract

The purpose of this study was to investigate the characteristics of intrusion in primary dentition and to evaluate factors influencing complications of primary and permanent dentition during long-term follow-up period. 61 patients (84 teeth) were selected in this study. Medical records of 61 patients were reviewed and age, gender, cause of injury, site of injury, severity of traumatic injury, other injuries associated with trauma, treatment method, and complications of primary and permanent dentition were examined. Collected data were statistically evaluated using Chi-square test and Fisher's exact test. Intrusion in primary anterior teeth was predominant in boys over girls and fall was the most common cause of trauma. It was most common at home and occurred most in the primary maxillary central incisors. Severity had an effect on the incidence of sequelae in permanent successors (p = 0.014). The incidence of complications was significantly lower in patients with soft tissue injuries than in patients with other periodontal injuries (p = 0.000).

본 연구는 유치열에서 발생하는 함입성 손상의 특징을 조사하고 장기간의 추적 조사 기간 동안의 유치열 및 영구치열에 발생하는 합병증에 영향을 미칠 수 있는 요인을 평가하고자 하였다. 이를 위해 총 61명의 84개의 치아가 연구대상으로 선정되어 환자의 연령, 성별, 외상의 원인과 발생장소, 외상 치아의 손상 정도, 외상 발생 시 동반된 다른 손상, 치료방법, 추적조사 기간 중 유치열과 영구치열에 발생한 합병증이 조사되었다. 연령, 외상 치아의 손상 정도, 외상 발생 시 동반된 다른 손상의 종류가 유치 및 영구치의 예후에 미치는 영향을 확인하기 위해 조사된 자료는 카이제곱 검정과 Fisher의 정확검정으로 평가하였다. 유전치의 함입은 남아에게 여아보다 우세하게 나타났으며, 함입의 원인으로는 낙상의 빈도가 가장 높았다. 유전치의 함입은 집에서 가장 많이 발생했으며, 상악 유중절치에서 가장 많이 발생했다. 유치열에 발생한 함입의 중증도는 영구치열에 발생하는 후유증의 발생에 유의하게 영향을 미쳤다(p = 0.014). 유치의 함입성 손상에 연조직 손상이 동반된 경우, 다른 치주조직 손상이 동반된 경우 보다 합병증의 발생이 유의하게 적었다(p = 0.000).

Keywords

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