Abstract
To investigate the association of carotid artery calcification (CAC) on panoramic radiographs and determine carotid artery atherosclerosis with ultrasonography. The study included 4050 subjects aged 50 years and older. Panoramic radiographs for the presence of CAC were interpreted. Common carotid artery intima-media thickness (CCA-IMT), carotid bulb IMT (CB-IMT), carotid plaques, and the diameter of the common carotid artery (CCA-diameter) were measured by using ultrasonography. CB-IMT was significantly greater in male subjects with CAC than in those without CAC. CCA-diameter was significantly greater in subjects with CAC than in those without CAC in both genders. However, there was no significant difference in CCA-IMT. CAC was associated with carotid plaque (for men, odds ratio [OR] 2.14; 95% confidence interval [CI] 1.01-3.36; for women, OR 1.19; 95% CI 0.84-1.67). CAC on panoramic radiographs was positively associated with IMT and plaque in men and positively associated with carotid diameter in both sexes. CAC on panoramic radiographs was positively associated with carotid atherosclerosis.
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