Dental Care For Cats And Dogs Biodent Hexidine Provides hygiene of mouth and reduces bacteria plaque which is the most common reason for gingival diseases. Chlorhexidine Gluconate; has antiseptic properties. Helps remove the plaque and tartar formation on the teeth, also prevents foul breath. Zinc Gluconate; is effective in preventing plaque formation. It inhibits the sulfur compounds in mouth and stops breath odor. Refreshes the breath.