title: Bonding of fractured permanent central incisor crown following radiographic localization of the tooth fragment in the lower lip: a case report.
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.
authors.affiliation: Pediatric Dentitry, Federal University of Santa Catarina, Florianópolis, Santa Catarina, Brazil.
authors.forename: Gabriela Ferrari da Silva
authors.initials: GF
authors.lastname: Schwengber
authors.forename: Mariane
authors.initials: M
authors.lastname: Cardoso
authors.forename: Ricardo de Souza
authors.initials: Rde S
authors.lastname: Vieira
mesh_terms: D002648:Child; D001840:Dental Bonding; D005538:Football / Q000293:injuries; D005547:Foreign Bodies / Q000209:etiology / Q000601:surgery; D006801:Humans; D007180:Incisor / Q000293:injuries*; D022125:Lacerations / Q000209:etiology; D008046:Lip / Q000293:injuries / Q000601:surgery; D008297:Male; D012390:Root Canal Therapy; D019228:Tooth Crown / Q000293:injuries*; D014082:Tooth Fractures / Q000150:complications* / Q000628:therapy