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http://dx.doi.org/10.5933/JKAPD.2016.43.1.51

Epidemiologic Survey on Failed Eruption of Mandibular First Molar  

Kim, Sohyun (Department of Pediatric Dentistry, School of Dentisry, Kyungpook National University)
Kim, Youngjin (Department of Pediatric Dentistry, School of Dentisry, Kyungpook National University)
Kim, Hyunjung (Department of Pediatric Dentistry, School of Dentisry, Kyungpook National University)
Nam, Soonhyeun (Department of Pediatric Dentistry, School of Dentisry, Kyungpook National University)
Publication Information
Journal of the korean academy of Pediatric Dentistry / v.43, no.1, 2016 , pp. 51-59 More about this Journal
Abstract
The purpose of the present retrospective study was to analyze gender, age, awareness, etiology, and treatment choice in patients with failed eruption of the mandibular first molar. Radiographic material and dental records from 67 patients with 74 mandibular first molars with failed eruption treated during the years 2001-2014 were evaluated. As results, the prevalence of mandibular first molar with failed eruption was higher in males than females, and the average awareness age was 9.19 years old. The most common etiological cause was unknown, and the next most common causes were abnormal eruption pathway and odontogenic tumor in order. In this study, it is suggested that more dental education to children about the time of eruption of permanent tooth is required, and the importance of regular dental check-ups is emphasized during mixed dentition.
Keywords
Impaction; Eruption disability; Mandibular first molar;
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