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Prevalence and anatomic topography of mandibular tori: computed tomographic analysis

Authors
 Youna Choi  ;  Hyok Park  ;  Jung-Seok Lee  ;  Jung-Chul Park  ;  Chang-Sung Kim  ;  Seong-Ho Choi  ;  Kyoo-Sung Cho  ;  Jung-Kiu Chai  ;  Ui-Won Jung 
Citation
 JOURNAL OF ORAL AND MAXILLOFACIAL SURGERY, Vol.70(6) : 1286-1291, 2012 
Journal Title
 JOURNAL OF ORAL AND MAXILLOFACIAL SURGERY 
ISSN
 0278-2391 
Issue Date
2012
MeSH
Adolescent ; Adult ; Age Factors ; Aged ; Aged, 80 and over ; Asian Continental Ancestry Group/statistics & numerical data ; Chi-Square Distribution ; Humans ; Hyperostosis/diagnostic imaging ; Hyperostosis/epidemiology* ; Hyperostosis/ethnology ; Hyperostosis/pathology ; Logistic Models ; Male ; Mandibular Diseases/diagnostic imaging ; Mandibular Diseases/epidemiology* ; Mandibular Diseases/ethnology ; Mandibular Diseases/pathology ; Middle Aged ; Prevalence ; Republic of Korea/epidemiology ; Tomography, X-Ray Computed ; Young Adult
Keywords
Adolescent ; Adult ; Age Factors ; Aged ; Aged, 80 and over ; Asian Continental Ancestry Group/statistics & numerical data ; Chi-Square Distribution ; Humans ; Hyperostosis/diagnostic imaging ; Hyperostosis/epidemiology* ; Hyperostosis/ethnology ; Hyperostosis/pathology ; Logistic Models ; Male ; Mandibular Diseases/diagnostic imaging ; Mandibular Diseases/epidemiology* ; Mandibular Diseases/ethnology ; Mandibular Diseases/pathology ; Middle Aged ; Prevalence ; Republic of Korea/epidemiology ; Tomography, X-Ray Computed ; Young Adult
Abstract
PURPOSE: Mandibular tori are located above the mylohyoid ridge. These features are relatively common in most populations, but their prevalence varies with race. The purpose of this study was to identify the prevalence and features of mandibular tori in a Korean population using computed tomographic (CT) images. MATERIALS AND METHODS: The CT images of 726 patients were analyzed in this study. The presence or absence of a mandibular torus was identified on the CT images of each patient's quadrants and categorized according to gender and age. The most common location was also evaluated according to the corresponding teeth. The cortical thickness of each torus was evaluated using a 3-dimensional reconstruction software program. RESULTS: The prevalence of mandibular tori in the entire sample was 24.1%, and most cases were bilateral. Mandibular tori were observed more frequently in young adults, with the prevalence being inversely related to age. The most frequently observed location was the premolar region, and the mean cortical thickness was 6.9 mm. CONCLUSIONS: Mandibular tori seem to change with aging. The prevalence in the present sample composed of Koreans was 24.1%, and younger patients may be more likely to develop a mandibular torus. Most tori presented a medium size bilaterally in the lingual aspect of the premolar region, and all were composed of cortical bone.
Full Text
http://www.sciencedirect.com/science/article/pii/S0278239111018714
DOI
22310453
Appears in Collections:
2. College of Dentistry (치과대학) > Dept. of Oral and Maxillofacial Radiology (영상치의학교실) > 1. Journal Papers
2. College of Dentistry (치과대학) > Dept. of Periodontics (치주과학교실) > 1. Journal Papers
Yonsei Authors
Kim, Chang Sung(김창성) ORCID logo https://orcid.org/0000-0003-3902-1071
Park, Jung Chul(박정철)
Park, Hyuk(박혁)
Lee, Jung Seok(이중석) ORCID logo https://orcid.org/0000-0003-1276-5978
Jung, Ui Won(정의원) ORCID logo https://orcid.org/0000-0001-6371-4172
Cho, Kyoo Sung(조규성) ORCID logo https://orcid.org/0000-0002-6777-5287
Chai, Jung Kyu(채중규)
Choi, Seong Ho(최성호) ORCID logo https://orcid.org/0000-0001-6704-6124
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/91026
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