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Objective. To determine peculiarities when using microfocus cone beam computed tomography (micro-CBCT) and cone beam computed tomography (CBCT) to analyze the anatomy of the teeth and the quality of endodontic treatment.Material and methods. Micro-CBCT and CBCT were experimentally used to examine 8 extracted tooth preparations before and after endodontic root canal treatment using different types of filling material.Results. Micro-CBCT showed the high informative value of determining the type, nature, and quality of canal filling and diagnosed many cracks and accessory canals. According to the micro-CBCT findings, the tooth apexes were not filled; the lumen of the canals was unevenly and loosely filled with endodontic material; the passages of guttapercha points were well traced; the nature of the endodontic material was differentiated.Conclusion. Micro-CBCT opens up new opportunities in dentistry with tooth volume visualization, allowing the minor and low-contrast details of the anatomical structure of the teeth to be seen on the X-ray image.

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