This spring, the Medical Marijuana Caregivers of Maine joined the usual coalition of anti-pot forces that includes active law-enforcement groups, social conservatives and public health advocates to oppose a state bill that would legalize possession of small quantities of the drug.
And it's not a good idea to use it as mouthwash. Hydrogen peroxide (in dilute form) is used as a tooth whitener (check the active ingredients on those gel-based tooth whiteners, they usually use H2O2). It also has the side effect of turning your gums pale temporarily, though it wears off in a few hours.
Oral Rinses: Mouth Rinses and Mouthwashes. An oral rinse (mouth rinse or mouthwash) is a liquid solution that you swish around your entire mouth â teeth, gums and tongue â to help promote oral hygiene, reduce oral discomfort, provide moisture to oral tissues or help with bad breath.