“People who have alcohol use disorder tend to have higher plaque levels on their teeth and are three times as likely to experience permanent tooth loss.” 

Just by drinking, discoloration and damage can be given to your teeth. Read the entirety of the article to find out more the affects drinking takes on your teeth. 

https://www.healthline.com/health/dental-and-oral-health/what-does-alcohol-do-to-your-teeth#teeth