Introduction:

ozonized water is effective in the treatment of patients with chronic periodontitis and constitutes a plausible and novel alternative in the province for the detention or elimination of the disease.

Objective:

to determine the effectiveness of ozonized water in patients with chronic periodontitis at the Antonio Briones Montoto Stomatology Clinic.

Methods:

an experimental study was carried out, with pre-test/post-test design and control group, in patients with chronic periodontitis of the "Antonio Briones Montoto" Stomatological Teaching Clinic, in the period between July 2019 and February 2022. The universe was 92 patients older than 35 years old. The sample of 52 patients who met the inclusion criteria. The percentage distributions of the control and study groups in relation to the variables sex and inflammation index were compared with the comparison of two proportions test for independent samples and the Chi-square test. The central values of the variables age and number of bags were compared with the nonparametric Mann Whitney U test.

Results:

female sex accounted for 63,5 % of the patients studied and the mean age was 50-54 years. After 15 days with ozonized water 68,2 % of the cases were free of inflammation and severe inflammation was eliminated; and with chlorhexidine moderate inflammation still predominated in 36,7 %.

Conclusions:

ozonized water is effective in the treatment of chronic periodontitis because the patients went from moderate inflammation to mild or without inflammation in seven days of treatment and in 15 days most of them were without inflammation.

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