Aims: To determine the prevalence. patterns of occurrence and variations of zygomatic air cell defects (ZACDs) using panoramic radiographs. Methods and Materials: Dental panoramic radiographs of 600 outpatients were examined to evaluate the variations and characteristics of ZACDs. Results: ZACDs were identified in 15 subjects out of 600. https://www.freeebookfinder.com/product-category/plasma-cutters/