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Original Research

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Analysis of Root Canal Treated Primary Incisor After Trauma: Two Year Outcomes

  • Tannure PN1
  • Fidalgo TKS2
  • Barcelos R2
  • Primo LG2
  • Maia LC2,*,

1Department of Pediatric Dentistry and Orthodontics, School of Dentistry, Federal University of Rio de Janeiro (UFRJ) and Discipline of Pediatric Dentistry, School of Dentistry, Veiga de Almeida University , UVA

2Department of Pediatric Dentistry and Orthodontics, School of Dentistry, Federal University of Rio de Janeiro (UFRJ), Rio de Janeiro, Brazil.

DOI: 10.17796/jcpd.36.3.f8nv08266257v6g4 Vol.36,Issue 3,May 2012 pp.257-262

Published: 01 May 2012

*Corresponding Author(s): Maia LC E-mail: rorefa@terra.com.br

Abstract

The low number of clinical studies of traumatized teeth submitted to root canal treatment is completely out of proportion to the seriousness that dental trauma imposes on children in early years. Aim. This study evaluates the outcomes of root canal treatment (RCT) in traumatized primary incisors and identifies the predisposing factors associated with therapy success. Methods: This is a retrospective study conducted with all dental records of 704 patients who had one or more teeth with traumatic injuries. Patients with irreversible pulp changes in primary teeth leading to RCT with a 24 month follow-up met the inclusion criteria. Results: Twenty-five maxillary incisors of 17 children were evaluated. The children’s age at the time of therapy ranged from 24 to 72 months (mean 47.3). Pulp necrosis was the most common disorder (84.0%) and pre-operative periapical lesions were observed in 52.0%. Coronal discoloration was found in 48.0%. The roots were filled with ZOE paste (68.0%) or Guedes-Pinto paste (32.0%). Overall RCT success rate was 68.0%. The absence of pre-operative periapical lesions (p =0.02) and pathological root resorption (p = 0.02) presented positive association with therapy success. Success was not associated to filling paste (p = 0.49), filling extent (p = 0.44), of discoloration (p = 0.39) nor the patients’ age (p = 0.59). Conclusions: RCT was considered successful in 68.0% of the cases at the 24 month follow-up. Failure of RCT in traumatized primary incisors was associated with pre-operatory periapical lesions and pathological root resorption. The filling paste, the filling extent and the patient’s age were unrelated with therapy success.

Keywords

pulpectomy, trauma, primary teeth, deciduous teeth.

Cite and Share

Tannure PN,Fidalgo TKS,Barcelos R,Primo LG,Maia LC. Analysis of Root Canal Treated Primary Incisor After Trauma: Two Year Outcomes. Journal of Clinical Pediatric Dentistry. 2012. 36(3);257-262.

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