The drug that can turn teeth black is methamphetamines. Methamphetamines cause a condition called meth mouth, which is characterized by blackened, rotting, and decaying teeth. The drug causes these changes by causing an increase in acidity in the mouth, which causes the teeth’s enamel to erode. Additionally, methamphetamines also lead to dry mouth, which decreases saliva production and leads to further tooth decay.

What drug stains your teeth black?

The most common drug that can stain your teeth black is tobacco. Tobacco contains nicotine, which can cause dark staining on your teeth. In addition, tar in tobacco can also contribute to dark staining. Other drugs such as methamphetamine (also known as «meth») and crack cocaine may also cause dark staining on your teeth.

What causes teeth to suddenly turn black?

Teeth can suddenly turn black due to a number of causes. Trauma, such as a blow to the face, can cause a tooth to become black. Decay or cavities can also cause a tooth to darken. Certain medications, such as tetracycline, can also cause a tooth to darken in color. Additionally, smoking and consuming certain foods, such as coffee and berries, can cause teeth to become discolored. If you notice that your teeth have suddenly become black, it is important to contact your dentist as soon as possible to determine the cause.