Overview Evaluation of Metronidazole Hydrogel 25% in Stage II and III Periodontitis Status: Completed Trial end date: 2021-07-07 Target enrollment: Participant gender: Summary A randomized clinical trial will be performed single-blind to evaluate the effectiveness of sublingual metronidazole hydrogel 25 % in periodontitis. Phase: Phase 4 Details Lead Sponsor: University of L'AquilaTreatments: Metronidazole