The aim of this study was to verify the sterilizing effectiveness of the laser in the treatment of the periodontal pockets in vivo, with the recording of clinicians' parameters and microbiological analysis, and in vitro with particular attention to the presence of specific bacterial stocks. During our study, in particular, it has been used the diodes laser. In order to estimate the effectiveness of the treatment of the periodontal pockets with laser, it has been examined the microbial content of the pockets carrying out withdrawals of the sulcular material before, immediately after and twenty minutes from the radiation. The microbiological results of the studies assert that, although substantial qualitative discrepancies between the several colonies of pathogen do not exist, quantitative differences are taken place with respect to the lessening of number and dimension of the present colonie.
Keywords: Porphyromonas gingivalis; laser; microbiologic analysis; periodontal disease; periodontal pocket.
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