Effect in periapical bone healing of Ozone therapy as adjuvant to endodontic treatment clinical-radiographic essay

After delimitation and pixel quantification of the periapical lesion area of the images immediately after the endodontic treatment, 3 and 6-months follow up, the obtained data were compared indicating the quantum reduction of the periapical radiolucency. In parallel, a postoperative sensitivity analysis was performed using a Visual Analog Scale. Patients were asked to score the sensitivity from 0 to 10 according to its intensity prior to first appointment, 72 hours later the first visit, 3 and 6 months later. Data were submitted to analysis of variance (ANOVA), complemented by the Tukey test at 5% of significance. All the three groups promoted a reduction of the apical radiolucent image without statistical difference. In the sensitivity analysis, Group III showed the best results with statistically significant...