Objective. The purpose of this study was to objectively identify the differencies for periapical bone lesions before and after the partial conservative surgical treatment, by comparing grey level distributions patterns generated with radiodensitometric analysis on digitized radiographic images. Study design. 30 periapical radiographs representing ostheitic lesions before and after the treatment were digitized and individual regions of radiometric analysis (RRA) were drawn to include the radiolucencies. Frequency distributions on 256 grey levels’ scale and cumulative percent histograms were computed for each RRA. Results Typical density histograms are indirect indicators in the healing process of the periapical bone lesions; in evolution, the variations in the number of total measured pixels and grey scale values range are early predictors for the changes in bone density that occur during local reparation process. Conclusions. The results of this study indicate that digital radiometric analysis of the periapical radiographs objectively evaluates the healing stage for periapical bone lesions in partial conservative surgical treated teeth.Keywords:
- PERIAPICAL BONE LESIONS’EVOLUTION.
- RADIODENSITOMETRIC ANALYSIS