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ORIGINAL RESEARCH Table of Contents   
Year : 2015  |  Volume : 26  |  Issue : 4  |  Page : 345-350
Prevalence of carotid artery calcifications detected on panoramic radiographs and confirmed by Doppler ultrasonography: Their relationship with systemic conditions


1 Department of Dentistry I, School of Dentistry, Federal University of Maranhão, São Luís, MA, Brazil
2 Open University of ian National Health System of the Federal University of Maranhão, São Luís, MA, Brazil
3 Department of Medicine II, School of Medicine, Federal University of Maranhão, São Luís, MA, Brazil
4 Member of the Cardiovascular Surgery Sector of the University Hospital of Medicine, Federal University of Maranhão, São Luís, MA, Brazil
5 Department of Dentistry II, School of Dentistry, Federal University of Maranhão, São Luís, MA, Brazil

Correspondence Address:
Thalita Queiroz Abreu
Department of Dentistry I, School of Dentistry, Federal University of Maranhão, São Luís, MA
Brazil
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0970-9290.167644

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Context: Atherosclerosis affects large and medium caliber arteries by forming calcific atheromas, precursors of cerebral vascular disease. Diabetes mellitus, obesity, and hypertension are considered as risk factors of atherosclerosis. Panoramic radiographs can display images suggestive of carotid artery calcifications (CACs). Aims: To investigate the prevalence of images suggestive of CAC in panoramic radiographs of the jaws (PRJs) and confirm them by Doppler ultrasonography. To evaluate their anatomic locations and relationships between systemic conditions (diabetes, hypertension, and obesity) and the presence of unilateral or bilateral CAC detected on PRJ or by Doppler ultrasonography. Materials and Methods: Of the 723 routinely performed PRJ in patients over 40 years at the Radiology Center in São Luís, Maranhão, Brazil, 21 PRJ containing images suggestive of CAC were selected in this cross-sectional study. The findings from the PRJ were confirmed by Doppler sonography. Results: Images suggestive of CAC was detected in 21 (2.9%) of the PRJ evaluated, consisting of 11 (52.4%) hypertensive, 7 (33.3%) diabetics, and 9 (42.9%) obese. There was a higher prevalence of hypertensive patients in the unilateral CAC group (100%) and bilateral CAC (60%) compared to patients without CAC (25%). Conclusions: CACs can be detected in PRJs, and are more frequent in common carotid arteries. No significant associations were detected between the presence of unilateral or bilateral CAC in PRJ and hypertension, diabetes, or obesity.


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