Clinical Efficacy of Mouthrinses Based on Chlorhexidine 0.12% and CITROX®

The goal of the following clinical trial is to compare the efficacy of a product based on chlorhexidine 0.12% and CITROX and the same product without CITROX in the healing phenomena that occur after non-surgical periodontal therapy. The main questions it aims to answer are: * Is the response to periodontal therapy better if mouthwashes containing bioflavonoids are used as a support to non surgical periodontal therapy? * What is the patients\' perception? Participants, divided into 2 groups, are asked to use either one or the other mouthwash for 14 days after non-surgical periodontal therapy.