If you are trying to maintain pearly white teeth, always remember a simple rule: if something can stain a white shirt, and leave it stained even after 24 hours of cleaning, it can stain the teeth, too. Remembering this useful advice will come handy anytime you feel that your teeth are losing its white color. Several studies have proven time and again that your drinking and eating habits have a significant impact on the color of your teeth. 

Things to avoid while teeth whitening
When you are getting your teeth whitened, your teeth are a lot more susceptible to stains. So, here are a few things you should avoid. 

• Avoid consumption of beverages with an intense color
  After you get a whitening treatment, you must avoid all beverages that have an intense color. It includes beer, tea, sodas, red wine, fruit juices, and coffee. Because of their artificial or vibrant color, they tend to stain the teeth. If you still think you cannot miss out on any of these drinks, it is best to drink them with a straw. Straw keeps the liquid away from the teeth. As a result, your smile remains whiter for longer.

• Avoid acidic food and beverages
  In the process of teeth whitening, a bleaching agent is used. It makes the teeth sensitive. In this course of time, acidic foods or beverages can irritate your teeth. Thus, you should avoid this while teeth whitening. Hence, after teeth whitening, you should cut out citrus foods and drinks, pickles, and soda from your diet. 

• Dark sauces
  Another thing that you should avoid while teeth whitening is dark sauces. It includes sauces, such as mustard sauce, soy sauce, and tomato sauce. These can leave stains on the teeth. 

• Cold food and beverages
  After you undergo teeth whitening, your teeth will be sensitive to the cold temperature for the next 36-48 hours. So, during this time, it is best to avoid anything straight out of the fridge. Thus, you need to avoid cold foods and beverages, such as frozen desserts, ice cream, frozen yogurt, and ice water. To keep your teeth safe, you should avoid this while teeth whitening. However, if your teeth are highly sensitive 36 to 48 hours after the procedure, you should strictly avoid any cold food or beverage. 

• Anything else that can cause staining
  There are a bunch of foods and beverages that can stain your teeth after you undergo teeth whitening. Hence, the longer you keep away from these items, the better it is. Some of the things that you need to avoid through the course of the procedure are b lueberries, t omato sauce, b eets, d ark marinades, d ark chocolate, s oy sauce, d ark soups, and s tews.

Additionally, because of the generous use of tomato sauce and curry, you should keep away from Spanish and Indian cuisine during this time.