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Trabecular bone ratio of mandible using micro-computed tomography in Korean

Authors
 Sung-Yoon Won  ;  Sung-Hyun Kim  ;  Sung-Tae Kim  ;  Doo-Jin Paik  ;  Wu-Chul Song  ;  Ki-Seok Koh  ;  Moon-Kyu Chung  ;  Hee-Jin Kim  ;  Kyung-Seok Hu 
Citation
 JOURNAL OF CRANIOFACIAL SURGERY, Vol.21(3) : 920-924, 2010 
Journal Title
 JOURNAL OF CRANIOFACIAL SURGERY 
ISSN
 1049-2275 
Issue Date
2010
MeSH
Aged ; Aged, 80 and over ; Bone Density* ; Cadaver ; Female ; Humans ; Korea ; Male ; Mandible/anatomy & histology ; Mandible/diagnostic imaging* ; Middle Aged ; X-Ray Microtomography*
Keywords
Mandible ; trabecular bone ; edentulous ; edentate ; micro-CT
Abstract
Cortical bone and trabecular portion play important roles in maintaining the general structure of bone. It has been reported that a decrease in bone mineral density is related with increasing age, sex, and teeth loss. However, most of the studies were done with conventional radiographic analysis. In addition, data from Korean population are rare. The aim of this study was to analyze trabecular pattern of the mandible using micro-computed tomography. Thirty-nine specimens of the mandible were prepared. Specimens were scanned with micro-computed tomography and reconstructed three-dimensionally. Sections were made parallel to the axis of each tooth. Trabecular bone ratio (TBR) was measured. Data were statistically analyzed with 1-way analysis of variance (alpha = 0.05). There was a statistically significant difference of TBR between dentate and edentulous mandibles in the molar region. Trabecular bone ratio of edentulous mandible in males was greater than that in females. Trabecular bone ratio of dentate mandibles reduced regularly with increasing age, whereas that of edentulous mandibles did not. It could be concluded that there were statistically significant differences in TBR according to presence of tooth, sex, and increasing age on specific areas.
Full Text
http://ovidsp.ovid.com/ovidweb.cgi?T=JS&CSC=Y&NEWS=N&PAGE=fulltext&AN=00001665-201005000-00067&LSLINK=80&D=ovft
DOI
10.1097/SCS.0b013e3181d87a42
Appears in Collections:
2. College of Dentistry (치과대학) > Dept. of Oral Biology (구강생물학교실) > 1. Journal Papers
2. College of Dentistry (치과대학) > Dept. of Prosthodontics (보철과학교실) > 1. Journal Papers
Yonsei Authors
Kim, Sung Tae(김성태)
Kim, Hee Jin(김희진) ORCID logo https://orcid.org/0000-0002-1139-6261
Won, Sung Yoon(원성윤)
Chung, Moon Kyu(정문규)
Hu, Kyung Seok(허경석) ORCID logo https://orcid.org/0000-0002-9048-3805
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/101033
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