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KMID : 0358920210480020140
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Journal of the Korean Academy of Pedodontics
2021 Volume.48 No. 2 p.140 ~ p.150
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Distribution of Pediatric Malocclusion Patients in Seoul National University Dental Hospital
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Rhee Sophia
Song Ji-Soo
Shin Teo-Jeon
Kim Young-Jae
Kim Jung-Wook
Jang Ki-Taeg
Hyun Hong-Keun
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Abstract
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A total of 580 patients, who visited and received an orthodontic diagnosis in the Department of Pediatric Dentistry, Seoul National University Dental Hospital from 2017 to 2019, were investigated in this study. The aim of this study was to evaluate skeletal patterns of pediatric orthodontic patients determined with lateral cephalometric analysis and to analyze the relationship between skeletal pattern and probable associated clinical features. Also, the modality of orthodontic treatment for each skeletal classification was investigated to aid in therapeutic decisions.
Patients aged 7 year accounted for the largest age group; 54.2% of patients showed a skeletal class I pattern, 22.2% showed a skeletal class II pattern, and 23.6% showed a skeletal class III pattern. Bi-maxillary retrusion for skeletal class I, retruded mandible with normal positioning of the maxilla for skeletal class II, and retrusion of the maxilla with protrusion of the mandible for skeletal class III were the largest subgroups by skeletal pattern. Brachyfacial type accounted for 55.0% of patients, followed by 31.9% of mesofacial type and 13.1% of dolichofacial type. The prevalence of anterior crossbite in the study was 43.3%, higher than that in previous studies.
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KEYWORD
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Pediatric dentistry, Orthodontic patients, Distribution, Skeletal pattern, Anterior crossbite
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