Chlorhexidine Gluconate Solution for Dental Care is a polybiguanide with bactericidal activity. The Chlorhexidine Gluconate Solution reduces plaque formation. The Chlorhexidine Gluconate Solution has the side effect of tooth discoloration. The Chlorhexidine Gluconate Solution for Dental Care should be used for 30 seconds after tooth brushing twice daily or as directed by the physician.