Gingivitis, periodontitis, stomatitis, damage to the mucous membrane of the oral cavity and gums as a result of surgical interventions (operations on the gums, extraction of teeth, dental implantation), eruptions of non-viral etiology, erosion, bedsores of mucous membranes of the oral cavity, burns of the mucous membrane and marginal gingiva (thermal and chemical,with diathermocoagulation and laser surgery), mucosal and marginal gingival lesions during tooth preparation and retraction before impression removal, worn while wearing removable dentures, orthopedic and orthodontic structures. Amident solution is recommended for oral hygiene, for various interventions (surgical manipulations, removal of periodontal deposits, before injections into the gum of medicines), to remove bacterial plaque in the oral cavity.