[Experience in medical ozone use for root canal treatment].

The results of clinical and laboratory assessment of effectiveness of PSR-diagnosis are presented. The high efficacy of ozone therapy is revealed. The findings demonstrate the reduction of number in the micro-organisms in root canal: Actinobacillus actinomycetemcomitans from 31.25% to 10.21%; Bacteriodes forsythus from 68.75% to 15.50%; Treponema denticola from 37.5% to 11.4%; Porphyromonas gingivalis from 56.25% to 45%; Prevotella intermedia from 16% to 0%.