I am a 23 year old smoker with wisdom teeth coming in (3 currently in.) It is pushing my teeth together, nothing too uncomfortable yet, but i am finding there is less room for my tongue, and it is scraping the sides of my teeth, leaving sores on the sides and tip of my tongue, lips and cheeks. More recently (last few days) there are also 2 white marks on my lower gums although they are looking to be clearing up. I am wondering if what I am seeing could be cancer, of if it is just from my teeth. Any answer will help my worried mind.