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A Retrospective Study of the Pattern and Treatment of Traumatic Dental Injury to Primary and Permanent Teeth

김유정 1 Kim Seon Mi 2 Choi Nam-Ki 2

1전남대학교 치과대학 소아치과학교실
2전남대학교

Accredited

ABSTRACT

This study investigated the pattern and treatment of traumatic dental injury (TDI), with respect to the timeelapsed prior to the initial visit to the Department of Pediatric Dentistry, Chonnam National University DentalHospital for TDI, from January 2009 to December 2013. The dental trauma records of a total of 378 patients(940 traumatic teeth) were analyzed. The prevalence rate of dental trauma was twofold higher in males versusfemales. The principal cause of injury, among all participants, was falling (36.5%). The most commonly affectedteeth were the maxillary central incisors (66.9%). Subluxation (43.9%) represented the most common traumafor primary teeth, and uncomplicated crown fracture in permanent teeth (30.9%). Only 10% of patients visitedthe dental clinic within 1 hour of sustaining trauma. The principal treatment provided for primary teeth, duringthe initial clinical visit, was follow-up (53.2%); for permanent teeth it was root canal treatment (27.3%). Theprevalence of root canal treatment for permanent teeth increased commensurate with the time elapsed sinceinjury. These data suggest that delayed checkup following trauma may increase the risk of loss of pulp vitality.

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