There Are Several Causes That Make The Teeth Become Yellow Color:
1. Smoking

The Fastest Way To Make Yellow Teeth Are Smoking. That’s Why We Rarely See Teeth White Smokers.

2. Drinking Coffee And Red Wine

Both These Drinks Can Leave Stains On Teeth

3. Drinking Most Of Antibiotics

Usually, If Too Much To Drink Antiboitik Will Cause The Teeth To Be Gray (Criticism If I’m Wrong Yes ….)

4. Soft Drinks

According To David F. Halpern, Dmd, Fagd, President Of The Academy Of General Dentistry, As Quoted From The Health, Soft Drinks With Dark Colors Will Make Your Teeth Turn Yellow

5. Alcoholic Beverages

According To Drs. Jonathan B. Levine, A Dental Expert Said That Some Beverages Such As Coffee, Tea, Or Alcohol Can Cause Discoloration Of The Teeth.