Abstract
In spite of a high efficiency, the use of brackets in orthodontic patients can provoke the development of inflammatory processes in marginal periodontal tissues. The aim of this study was to prove the clinical efficacy of photodynamic therapy in the complex treatment of gingivitis, complicating orthodontic treatment with brackets. Clinical tests were conducted among 60 patients with gingivitis, aged 18 to 35 years, men and women, equally receiving treatment for abnormalities of dentitions and position of teeth with brackets. Efficacy of treatment has been assessed by dynamics of clinical picture including evaluation of indices of oral hygiene and periodontal status, the results of ultrasound Doppler flowmetry before and after the treatment. It has been demonstrated a high success of the proposed method, which consists of complete elimination of inflammation in the gums with the absence of remission of pathological process within six months. It has been assumed that stability of the results is due to normalization of microcirculation in marginal periodontal tissues by the data of ultrasonic Doppler flowmetry. To explian other mechanisms of action of photodynamic therapy, microbiological and immunological studies are necessary.
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