Comparison of a Dental Operating Microscope and High-resolution Videoscope for Endodontic Procedures

Abstract Introduction The purpose of this study was to compare a dental operating microscope (DOM) with a high-resolution videoscope (VS) in terms of depth of field (DOF), resolution, and effect on fine motor skills. Methods Two observers used test targets to measure the resolution and DOF of the DOM and the VS. In addition, 18 participants (12 dental students and 6 endodontic residents) performed an accuracy test on a manikin head using DOM, VS, or loupes. Each participant completed a posttest survey. Results The 3 magnifications of the DOM had higher resolutions and DOF (resolution: 32, 40.3, and 50.8 line pairs/mm; DOF: 15, 10, and 6 mm) than the VS (resolution: 20.1 line pairs/mm; DOF: 5 mm). Accuracy testing showed the DOM produced better results than the VS for both resident and student groups (P Conclusions Considering the findings from this study, the DOM stands out as the leading magnification tool in endodontics. However, the VS has potential in endodontic procedures and might be used as an adjunct to other visualization aids.