Examining the physical signs in a patient's mouth, a dentist can often determine whether or not they smoke. This is because smoking tobacco products has a number of negative effects on oral health, including staining of the teeth and gums, gum disease, and an increased risk of oral cancer.
In addition to these physical signs, a dentist may also be able to tell if a patient smokes by asking them about their smoking habits. If a patient is a smoker, they will likely have a higher level of plaque and tar on their teeth and gums, and their breath may also have a noticeable odor.




