Short-term side effects of 0.2% alcohol-free chlorhexidine mouthrinse used as an adjunct to non-surgical periodontal treatment: a double-blind clinical study.

Background: The aims of this clinical study were to evaluate the short-term subjective (by means of questionnaire) and objective (by means of clinical examination) side effects of 0.2% chlorhexidine (CHX) mouthrinse without alcohol used as an adjunct to non-surgical periodontal treatment and to elucidate the relationship between the subjective and objective evaluations.

Methods: This was a randomized, double-blind, placebo-controlled clinical trial with two groups: 1) the test group, rinsing with the test product (0.