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, 17 (2), 93-5

Decoronation of an Ankylosed Tooth for Preservation of Alveolar Bone Prior to Implant Placement

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Case Reports

Decoronation of an Ankylosed Tooth for Preservation of Alveolar Bone Prior to Implant Placement

A Filippi et al. Dent Traumatol.

Abstract

A 12-year-old patient sustained avulsions of both permanent maxillary central incisors. Subsequently, both teeth developed replacement resorption. The left incisor was extracted alio loco. The right incisor was treated by decoronation (removal of crown and pulp, but preservation of the root substance). Comparison of both sites demonstrated complete preservation of the height and width of the alveolar bone at the decoronation site, whereas the tooth extraction site showed considerable bone loss. In addition, some vertical bone apposition was found on top of the decoronated root. Decoronation is a simple and safe surgical procedure for preservation of alveolar bone prior to implant placement. It must be considered as a treatment option for teeth affected by replacement resorption if tooth transplantation is not feasible.

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