How to Remove teeth Nicotine Stains A long lazy lunch, delicious spicy food, fantastic red wine and a cigar paired with a dessert coffee. A bit of Rock music to add to the mix. What could be better on a Sunday? Then your brother's son asks you why you have yellower teeth than me. While several factors contribute to discoloured teeth, nicotine is one reason. Nicotine changes your teeth colour over time. How to remove teeth nicotine stains? The good news is that there is a solution.