Radiological Assessment of Reparative Processes in Periapical Tissues Following Photodynamic Therapy with 450 nm Blue Light (Based on CBCT Data)
DOI:
https://doi.org/10.63666/ejsmr.1694-9013.3.I.2025.62Keywords:
photodynamic therapy, 450-nm blue light, chronic apical periodontitis, reparative processes, cone-beam computed tomography (CBCT)Abstract
The article presents a comprehensive analysis of the clinical and radiological characteristics and the dynamics of reparative processes in periapical tissues following endodontic treatment. The aim of the study was to evaluate the radiological dynamics of periapical tissue repair after the application of photodynamic therapy (PDT) using 450-nm blue light in the management of chronic apical periodontitis, based on cone-beam computed tomography (CBCT) data. The study included 60 patients aged 18–60 years who sought dental care for chronic forms of apical periodontitis. The findings demonstrate that the use of PDT as part of comprehensive endodontic therapy promotes more pronounced and accelerated restoration of the cortical (compact) bone plate in the periapical region. In the main group, partial bone regeneration was observed significantly more frequently at the 3-month follow-up compared with the control group, while by 6 months the rate of complete bone recovery was also higher. These results indicate the positive impact of PDT on the rate of reparative processes and the formation of normal bone architecture, supporting the use of this method as an effective component of outpatient endodontic practice.
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