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:: Volume 35, Issue 2 (Spring 2017) ::
J Dent Sch GYEAR__, 35(2): 71-77 Back to browse issues page
Prevalence of Idiopathic Osteosclerosis on Cone Beam Computed Tomography Images
Zeynab Azizi 1, Hosein Mosafery 1, Yaser Safi 1, Saivash Dabirzadeh 2, Zahra Vasegh * 1
1- Dept. of Oral and Maxillofacial Radiology, School of Dentistry, Shahid Beheshti University of Medical Sciences, Tehran, Iran..
2- dentist, Tehran, Iran
Abstract:   (2073 Views)
Objectives: This study was performed to investigate the prevalence of idiopathic osteosclerosis on cone beam computed tomography (CBCT) images of patients.
Methods: In this descriptive, cross-sectional study, 240 CBCT scans of patients (125 women, 115 men) referred to a private oral and maxillofacial radiology clinic in Tehran in 2013 were selected and evaluated. Presence of idiopathic osteosclerosis and its features including its location in the jaw, its association with teeth, presence or absence of root resorption, number, shape and size of lesions and age and gender of patients were assessed. Descriptive statistics were reported. Chi-square test and independent t-test were used for statistical analysis.
Results: Idiopathic osteosclerosis was seen on CBCT images of 20 patients (8.33%). The lesion was more frequent in women than men, but the difference was not significant (P=0.50). Also, the lesion was more common in the mandible than the maxilla (95.6% vs. 4.4%). Most lesions were observed in the molar (56.5%) and premolar (34.7%) areas of the lower jaw. Most lesions did not have any association with teeth (73.9%). More than half of the lesions (56.5%) were round in shape and the rest (43.4%) were irregular. The mean size of the lesions was 5.4±1.8 and 5.7±1.4 mm in the mesiodistal and superior-inferior aspects, respectively.
Conclusion: The prevalence of idiopathic osteosclerosis of the jaws on CBCT images of an Iranian population was within the range reported by other studies. The lesions were more common in the mandibular molar region with no relation to teeth.
Keywords: Cone Beam Computed Tomography, Osteosclerosis, Prevalence
Full-Text [PDF 293 kb]   (330 Downloads)    
Type of Study: Original Article | Subject: Special
Received: 2017/11/4 | Accepted: 2017/11/4 | Published: 2017/11/4
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Azizi Z, Mosafery H, Safi Y, Dabirzadeh S, Vasegh Z. Prevalence of Idiopathic Osteosclerosis on Cone Beam Computed Tomography Images. J Dent Sch. 2017; 35 (2) :71-77
URL: http://jds.sbmu.ac.ir/article-1-1613-en.html

Volume 35, Issue 2 (Spring 2017) Back to browse issues page
مجله دانشکده دندانپزشکی دانشگاه علوم پزشکی شهید بهشتی Shahid Beheshti University Dental Journal
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