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  • Title: Bonding of fractured permanent central incisor crown following radiographic localization of the tooth fragment in the lower lip: a case report.
    Author: Schwengber GF, Cardoso M, Vieira Rde S.
    Journal: Dent Traumatol; 2010 Oct; 26(5):434-7. PubMed ID: 20738363.
    Abstract:
    This study describes the case of an 8-year-old boy who fractured his left maxillary central incisor, exposing the pulp. The trauma also resulted in a cut on his mentum. Radiographic examination revealed the fractured tooth fragment embedded in the lower lip. The fractured tooth, with incomplete root formation, was treated endodontically and received a temporary restoration. After 15 days, the temporary restoration was removed and the fractured tooth fragment was etched with 37% phosphoric acid. A bonding system was then applied to the etched-fractured tooth surface without polymerization. The same bonding procedure was carried out on the tooth fragment. A layer of flowable resin composite was applied to the fragment, which was positioned on the remaining tooth. The resin composite was then polymerized, finished, and polished.
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