期刊
KOREAN JOURNAL OF ORTHODONTICS
卷 52, 期 5, 页码 324-333出版社
KOREAN ASSOC ORTHODONTISTS
DOI: 10.4041/kjod21.280
关键词
Dentofacial anomalies; Classification; Tooth impaction
资金
- Alumni Fund of the Department of Dentistry and Graduate School of Clinical Dental Science, The Catholic University of Korea
This study investigated the prevalence and pattern of dental anomalies in the Korean orthodontic population. It found that impaction was the most common anomaly, and its prevalence varied depending on the type of malocclusion. Additionally, patients with impacted teeth were found to have a higher risk of other anomalies.
Objective: The aim of this study was 1) to investigate the prevalence and pattern of dental anomalies (DAs), 2) to compare DAs according to the type of malocclusion, and 3) to investigate the correlation between tooth impaction and other DAs in the Korean orthodontic population. Methods: A total of 3,240 orthodontic patients were classified as Class I, Class II, or Class III malocclusion groups. The presence and location of common DAs, including impaction, microdontia, agenesis, supernumerary tooth, transposition, and fusion, were identified by examining diagnostic records. Furthermore, samples were classified as Group 1 without impaction or Group 2 with impaction. The prevalence of other DAs concurrent with impaction was investigated and compared to Group 1. Results: Impaction was the most prevalent DA, followed by microdontia, agenesis, and supernumerary. Class I and Class III groups showed the same order of prevalence, but agenesis was more frequent than microdontia in the Class II group. The prevalence of the four DAs was lowest in the Class III group. Overall, 8.6% of patients were classified into Group 2. The incidence of DAs other than impaction and the prevalence of multiple concurrent DAs were significantly higher in Group 2. Impaction showed a significant relationship with supernumerary tooth, transposition, and fusion. Conclusions: The prevalence and pattern of DAs varied depending on the type of malocclusion. As there was a higher risk of other DAs in patients with impacted teeth, early detection of the impacted tooth and a detailed diagnosis of other possible DAs may be essential.
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