When reading my posts, know that mostly I'm sarcastic. However, let's say you are right. If so, then a vaporizer pen would not cause gum disease. Is it the tar that your Doc is concerned with?
Woops wrong spot on the thread. Damn you Cannabis!
In the beginning of a change the patriot is a scarce man, and brave, and hated and scorned. When his cause succeeds, the timid join him, for then it costs nothing to be a patriot.