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   Prediction of lumbar spine bone mineral density from the mandibular cortical width in postmenopausal women  
   
نویسنده Hekmatin Ehsan ,Ahmadi Sina ,Ataiekhorasgani Masoud ,Feizianfard Mahboobe ,Jafaripozve Shahram ,Jafaripozve Nasim
منبع journal of research in medical sciences - 2013 - دوره : 18 - شماره : 11 - صفحه:951 -955
چکیده    Background: osteoporosis is one of the most common bone diseases that is characterized by a generalized reduction of the bone mass. osteoporotic fractures are associated with morbidity, but can be a predictable condition if early diagnosis is made.the diagnosis is based on the world health organization’s (who) t-score criteria. panoramic images have been also used to predict low bone mineral density. the aim of the study was to evaluate the prediction of lumbar spine bone mineral density (bmd) from the mandibular cortical width in postmenopausal women. materials and methods: on the panoramic radiographic images, the mandibular cortical width (mcw) was measured by drawing a line parallel to the long axis of the mandible and another line tangential to the inferior border of mandible and a constructed line perpendicular to the tangent intersecting inferior border of mental foramen and analyzed the correlation of recorded mcw with bmd and t-score by using spss software and linear regression and bivariate correlation tests. results: bivariate correlation showed a significant correlation between bmd and mcw (r = 0.945) (p = 0. 000). there was also a significant correlation between t-score and mcw(r = 0.835) (p = 0. 000). to detect the accurate association between the bmd and mcw and also t-score and mcw, linear regression analyses tests showed two associations to predict the bmd and t-score from mcw with confidence interval of 95%. these associations were as follows: t-score= −7.087 + 1.497 × mcw bmd= 0.334 + 0.163 × mcw. conclusion: the mcw is a good index to help the dentists to predict the osteoporosis by panoramic radiographs and have a significant role in patient screening and early diagnosis of osteoporosis.
کلیدواژه Bone mineral density ,osteoporosis ,postmenopausal women
آدرس isfahan university of medical sciences, Faculty of Dentistry, Department of Oral and Maxillofacial Radiology, ایران, isfahan university of medical sciences, Faculty of Dentistry, Department of Oral and Maxillofacial Radiology, ایران, isfahan university of medical sciences, Faculty of Medicine, Department of Internal Medicine, ایران, isfahan university of medical sciences, Faculty of Dentistry, Department of Endodonthics, ایران, tehran university of medical sciences tums, Faculty of Medicine, ایران, isfahan university of medical sciences, Faculty of Dentistry, Department of Oral and Maxillofacial Radiology, ایران
 
     
   
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