Por favor, use este identificador para citar o enlazar este ítem: http://hdl.handle.net/10923/869
Tipo: article
Título: Use of cone beam computed tomography in the diagnosis, planning and follow up of a type III dens invaginatus case
Autor(es): Vier-Pelisser, Fabiana Vieira
Pelisser, Audrei
Recuero, Lucas C.
Só, Marcus Vinicius Reis
Borba, Maristela Gutierrez
Figueiredo, José Antônio Poli de
Editor: Blackwell Scientific Publications
Fecha de Publicación: 2012
Volumen: 45
Número: 2
Primera página: 198
Última página: 208
Palabras clave: ANOMALIES
CONE BEAM COMPUTED TOMOGRAPHY
DENS INVAGINATUS
ENDODONTIC SURGERY
ENDODONTIC TREATMENT
ODONTOLOGIA
ENDODONTIA
CIRURGIA BUCOMAXILOFACIAL
Resumen: AIM: To present the case of a maxillary left lateral incisor with Oehlers' type III dens invaginatus in which cone beam computed tomography (CBCT) was used as an adjunctive resource in the diagnosis as well as in the planning and 2-year follow-up of the nonsurgical/surgical treatment. SUMMARY: The tooth had two root canals: a primary (main) canal with vital pulp that appeared to be closed apically and an invaginated canal that was necrotic, wide-open at the portal of exit and associated with a large chronic periapical lesion extending to the apex of the maxillary left central incisor. Radiographic tracking of a sinus tract in the labial gingiva of the affected tooth with a gutta-percha point revealed its origin to be the invagination. The CBCT scans revealed that the periapical radiolucency was significantly larger than seen radiographically as well as an increased thickness of the buccal cortical plate. Conventional root canal treatment of the primary canal was undertaken. As nonsurgical access to the invaginated canal was not possible, endodontic surgery was performed for curettage of the lesion, root-end cavity preparation using ultrasonic tips and root canal filling with white mineral trioxide aggregate (MTA). CBCT scanning after 17 months and clinical and radiographic follow-up after 24 months revealed complete periapical repair and absence of symptoms. KEY LEARNING POINTS: The combination of nonsurgical and surgical treatments produced periapical repair in a tooth with type III dens invaginatus with two root canals. CBCT may aid the diagnosis as well as the management plan and follow-up of teeth with this developmental anomaly.
URI: http://hdl.handle.net/10923/869
DOI: 10.1111/j.1365-2591.2011.01956.x
PMID: 21978185
ISSN: 0143-2885
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