FIELD : medicine; technological processes.SUBSTANCE : invention relates to production of films based on hydroxyl-containing polymers for medicine, particularly to compositions for making films, and can be used in dentistry for treating periodontal diseases. Composition for preparing a dental therapeutic film includes 13–15 wt% polyvinyl alcohol, 1.9–2 wt% plasticizer in form of glycerol, 0.01125–0.013125 wt% vitamin D3, 2.6–2.9 wt% of silver-bearing tricalcium phosphate Ag-TCP and water.EFFECT : invention provides reducing gingival hemorrhage, reducing the onset of stabilization of inflammatory-destructive processes in periodontium tissues and prolonging remission while maintaining strength properties of dental therapeutic films, and having an antimicrobial effect.1 cl, 3 tbl, 13 ex