Just attended a periodontal update at a local university. The suggestions for mourthrinses were Peridex and Listerine. Then the next subject was cancer causing agents in mouthrinses. Alchohol in a mouthrinse is cancer causing! So why recommend either of these since they both contain massive amounts of alcohol? I recommend Tooth and Gum Tonic Mouthrinse - it can only be purchased at a general dentist office. It is completely alcohol free. The reason