Abstract
When nonsurgical endodontic treatment fails, surgical treatment is an alternative approach for treating periapical disease. However, endodontic microsurgery (EMS), particularly in anatomically challenging areas, such as the posterior teeth, is a skill-sensitive task that can present a unique set of challenges for the surgeon. In recent years, digital guidance technology has been applied more frequently in dentistry. Dynamic navigation (DN) is a pioneering technology that uses an optical positioning device controlled by a sophisticated computerized interface and dedicated three-dimensional surgical path planning software program. This technique has also recently been introduced in the field of EMS to improve accuracy and avoid related complications. This case report presents a novel approach to DN-assisted EMS and describes its application in posterior teeth. After undergoing DN-assisted EMS, all patients were completely asymptomatic at the follow-up visit. Radiographic examinations performed immediately and 3–9 months after EMS revealed that the root resection was performed accurately without complications. The DN technique has been proven to be a feasible, predictable, and time-saving system for assisting EMS in cases requiring treatment in anatomically challenging areas, such as in the posterior teeth.
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