3-Dimensional Heat for A 3-Dimensional Fill. DENTSPLY Tulsa Dental Specialties Obturator Ovens are specifically developed for heating DENTSPLY TDS endodontic obturators for use in root canal therapy. 3-Dimensional heat. Obturators are heated in seconds in single and dual heating modes. 3-Dimensional heat is evenly maintained in the heating chamber until the obturator is ready to use, making it ideal for multi-canal procedures. Slow release obturator holders. Obturator holders are designed to allow stable vertical entry and exit of the heating chamber.