Piezoelectronic Ultrasonic Unit Enables Versatility in Endodontic Procedures

Ultrasonic technology is an important component of the endodontic armamentarium, particularly during retreatment and endodontic microsurgery. This article presents two clinical cases demonstrating the versatility of a piezoelectric ultrasonic unit for nonsurgical and surgical retreatment. In the first case, the device facilitated post removal through a conservative access while preserving the existing restoration. In the second case, it was used for apical bevel refinement and retrograde preparation with continuous saline irrigation. The unit's interchangeable tips, integrated illumination and irrigation, real-time frequency tracking, and compact design provided stable performance and efficient workflow. These cases demonstrate the device's flexibility as a practical ultrasonic platform for a broad range of endodontic procedures.