Keywords
Dental pins
Endodontics
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Abstract
The objective of this study is to report a clinical case of removal of a prefabricated metallic threadable pin with the aid of magnification by microscope and use of ultrasound. A 47-year-old female patient came to the dental clinic complaining of dissatisfaction with her smile. During the anamnesis, it was observed that the restorations on teeth 44, 45, 46 and 47 were unsatisfactory. In the radiographic exams, it was possible to observe periapical lesion in teeth 44 and 47, the presence of unsatisfactory endodontic treatments in 44, 45, 46 and 47, and the presence of metallic intraradicular retainers in all the mentioned teeth. From the exams, it was planned to remove the prefabricated pin from tooth 45. The removal process started with absolute isolation and removal of the restorative material, then, with the aid of an optical microscope for field magnification, the technique of an integrated and simultaneous ultrasound system was performed, using two ultrasound tips in opposite vibrations on the retainer. After sequences of application of the technique, the cement film fractured and the pin was removed. Thus, the association of the magnification provided by the microscope and the vibration of the ultrasound were effective, as they offered better visual acuity and safety in the procedure.
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