While whitening and veneers may be good solutions to eliminate discoloration, smokers are not good candidates for dental implants as it increases the risk of procedure failure.
Nicotine, the addictive substance found in tobacco, impedes the healing process by constricting the blood vessels. It can also cause bone loss, reduce saliva that clears the mouth of plaque and bacteria, and results in gum disease that attacks the bony structure supporting the implants.
Talk to your dentist for more information.