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. 2017:2017:7413204.
doi: 10.1155/2017/7413204. Epub 2017 May 21.

Factors Affecting the Periapical Status of Root-Filled Canals: A Cross-Sectional Study at the Undergraduate Level

George Moreira Costa  1 , Suelleng Maria Santos Soares  1 , Paula Cristina Pelli Paiva  1 , Flaviana Dornela Verli  2 , Patrícia Furtado Gonçalves  1 , Sangela Maria da Silva Pereira  3 , Rudys Rodolfo De Jesus Tavarez  3 , Janir Alves Soares  1 , Etevaldo Matos Maia Filho  3
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Factors Affecting the Periapical Status of Root-Filled Canals: A Cross-Sectional Study at the Undergraduate Level

George Moreira Costa et al. Int J Dent. 2017.

Abstract

Objective: The aim was to evaluate the influence of multiple factors on the periapical status of endodontically treated (ET) teeth.

Methods: The patients were clinically and radiographically reevaluated after root canal therapy. The quality of the root-filled canals, coronal restorations, intraradicular posts, dental caries, and periodontal parameters were associated with the teeth's periapical status.

Results: The 122 patients provided 154 ET teeth; 97.4% teeth were asymptomatic, and 75.5% had a normal periapical status. The percentage of perfect, satisfactory, and deficient root-filled canals was of the order of 41.6%, 46.1%, and 12.3%, respectively. The percentage of adequate and inadequate coronal restorations was 31.2% and 68.8%, respectively. A total of 14.9% teeth had intraradicular posts, and 29.2% had cavitated carious lesions in the dentin. Gingival bleeding was observed in 31.8% of teeth, and dental biofilm was visible in 58.4%. A total of 11.7% showed pathologic tooth mobility, and 22.1% teeth were diagnosed with periodontal disease.

Conclusions: Carious lesions, gingival bleeding, and tooth mobility were significantly associated with the occurrence of periapical lesions in root-filled canals.

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Figures

Figure 1
Figure 1
Drawing of the root filling quality standard as a function of radiographic parameters [14].
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