Some of the causes of black teeth are foods and drinks, tobacco use, poor dental hygiene, diseases, medications and dental materials, according to MedicineNet. Genetics and excessive fluoride use are also possible factor... More »

The causes of blackening teeth include consuming certain drinks, such as coffee, cola and wine, as well as certain fruits and vegetables, such as apples and potatoes. Poor dental hygiene, diseases that affect the enamel,... More »

Black stains on teeth can be caused by using mouthwashes that contain the ingredient chlorohexedine or by taking iron supplements, explains 1-800-Dentist. Root canal sealers that contain silver or other dental restoratio... More »

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Causes of stained teeth include certain foods and drinks, tobacco use, poor dental hygiene, certain medications, and advancing age, according to WebMD. Certain dental materials can also cause tooth discoloration. More »

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The causes of blackening teeth include consuming certain drinks, such as coffee, cola and wine, as well as certain fruits and vegetables, such as apples and potatoes. Poor dental hygiene, diseases that affect the enamel,... More »

Teeth may become discolored for several reasons, including drinking certain drinks or eating certain foods, using tobacco products and failing to keep up with dental hygiene, according to MedicineNet. Some diseases and m... More »

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There are several reasons and factors that can cause dark colored gums particularly around the teeth, and these include genetic reasons, medical conditions, medications, dental fillings, bad hygiene and smoking, as noted... More »