Removal of a silver cone by using clinical microscope and ultrasound: Case report

Maíra do Prado, Marcos Cesar Pimenta de Araújo, Heloísa Carla Gusman

Introduction: The retreatment of teeth with endodontic failure associated with the use of silver cone as filling material is still today a reality in the endodontic practice. The present work reports a case of endodontic failure resulting from the use of silver cone and subsequent endodontic retreatment. Case report: The procedure consisted of removing the existing metal-ceramic crown and endodontic retreatment with removal of the silver cone, which was apically sectioned by using ultrasound and clinical microscope. Next, the root canal system was filled and glass-fiber posts and metal-ceramic crown were placed. Conclusion: The use of microscope in association with ultrasound was crucial for performing the retreatment, thus allowing the silver cone to be safely removed without unnecessary wear of the dentinal structure.

Keywords: Retreatment. Ultrasound. Microscopy.

How to cite: Prado M, Araújo MCP, Gusman HC. Removal of a silver cone by using clinical microscope and ultrasound: Case report. Dental Press Endod. 2012 Oct-Dec;2(4):46-50.

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