The aim of this study was to evaluate the radiographs in control period with Corel Photo Paint software. The research was carried out on one root teeth of 11 patients with periapical lesions. After the endodontic treatment, radiographs before treatment, after treatment, 6 months after treatment and 1 year after treatment were compared for evaluation of repairing process. The graphic evaluation of radiographs was completed using Corel Photo-Paint. Results were analyzed by Duncan test, Dunett-c test and Dunett-t test. The used endodontic procedure reduced the causes of the chronic periapical process in control period. This was confirmed with by statistically significant difference between all combinations with Health bone, except in combination of Health bone and One year after the treatment where statisticall significance was not found. In this investigation, endodontic treatment improved healing of the periapical tissue. Computerized graphic procedure for data processing of the radiographs was a satisfactory additional aid for evaluation of radiographs.
Key words: apical lesion, calcium hydroxide, graphic processing, digital radiography
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