Have you ever wondered why your once pearly white smile has started to dull? The answer might be lurking in your diet. From that morning cup of coffee to the glass of red wine at dinner, what you consume can have a significant impact on the color of your teeth. Understanding the relationship between your diet and tooth color is the first step in maintaining a brighter, healthier smile.

 Why do some people still suffer from dental disease after brushing their teeth every morning and night? Studies have found that the removal rate of plaque in adults before and after brushing is ab...