Nicotine by itself is colourless, but when it combines with oxygen, it turns yellow and leaves stubborn traces on the teeth.

To enhance oral health, Dr Shruthi recommended brushing effectively, daily flossing, using fluoride toothpaste, regular ...

This happens because smoking causes inflammation around the teeth and increases your risk for bacterial infections. The gums may become swollen and bleed (gingivitis) and eventually begin to pull ...