It's no secret that smoking takes a major toll on your health. If you're a lifelong smoker, you might not even think twice about the state of your oral health each time you light up a cigarette. But the fact of the matter is, your mouth takes a beating with each inhalation of cigarette smoke. Now, this is not to say that you cannot prevent or reverse the damage that smoking causes. But the best place to start is by quitting -- which is far easier said than done for many smokers. As the saying goes, knowledge is power. Regular dental checkups in Calgary can help you stay on top of your oral health, but here's what to know about how tobacco impacts those pearly whites.