Smoking weed has both short-term and long-term effects on your oral health. Short-term effects include dry mouth, which can lead to tooth decay and gum disease. Long-term effects include an increased risk of developing oral cancer.
Dentists can tell if you smoke weed by looking for signs of dry mouth, such as a lack of saliva, a coated tongue, and bad breath. They may also look for signs of gum disease, such as red, swollen, or bleeding gums. In some cases, dentists may even be able to smell weed on your breath.