Cone-beam computed tomography and periapical radiograph as follow-up methods of periapical lesions in cleft patients

Tulio Lorenzo Olano DEXTRE, Celso Kenji NISHIYAMA, Lidiane Castro PINTO, Danieli Colaço Ribeiro SIQUEIRA, Thais Marchini de OLIVEIRA

Objective: The aim of this study was to compare the effectiveness of cone-beam computed tomography (CBCT) and periapical radiograph as follow-up methods of periapical lesions after endodontic treatment in patients with cleft lip and palate. Methods: Periapical radiographs (Group I) and CBCTs (Group II) were evaluated in 46 single-rooted teeth with periapical lesions in patients with cleft lip and palate. These patients were referred to the Endodontics Department of the Hospital for Rehabilitation of Craniofacial Anomalies/USP (HRAC/USP) for endodontic treatment from 2009 to 2011. They returned for follow-up after 6 months to 2 years. Periapical index was used for the evaluations. Intraexaminer reproducibility was determined by Kappa test. Data were analyzed by means of Wilcoxon test (p < 0.05). Results: In Group I, 27 teeth were assigned score 1 (58.7%); 10 teeth, score 2 (21.7%); 7 teeth, score 3 (15.2%); 1 tooth, score 4 (2.2%) and 1 tooth was assigned score 5 (2.2%). In Group II, 7 teeth were assigned score 1 (15.2%); 8 teeth, score 2 (17.4%); 18 teeth, score 3 (39.1%); 10 teeth, score 4 (21.7%) and 3 teeth were assigned score 5 (6.6%). There was statistically significant difference between the groups studied. The CBCT scores were higher than the scores attributed to the radiographs of the same teeth. Conclusion: Cone-beam computed tomography is more effective than periapical radiograph in following-up periapical lesions after endodontic treatment in patients with cleft lip and palate.

Keywords: Cone-beam computed tomography. Endodontics. Periapical periodontitis. Cleft palate. Cleft lip.

How to cite: Dextre TLO, Nishiyama CK, Pinto LC, Siqueira DCR, Oliveira TM. Cone-beam computed tomography and periapical radiograph as follow-up methods of periapical lesions in cleft patients. Dental Press Endod. 2015 Jan-Apr;5(1):8-12. DOI: http://dx.doi.org/10.14436/2178-3713.5.1.008-012.oar

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