What is the recommended dosage and duration for use of 0.12% chlorhexidine gluconate to control gingivitis and for caries management? PHD What is the recommended dosage and duration for use of 0.12% chlorhexidine gluconate to control gingivitis and for caries management? Answer: 2 weeks 2 times a day Learn More : Share this Share on FacebookTweet on TwitterPlus on Google+