Write the next sentence in the following story.

How to protect your teeth from disease
Take care of your teeth and gums.
This is the first requirement. One cannot always rely upon the dentist so he must take necessary steps at home to prevent any dental problems.
Healthy and strong teeth add charm and beauty to one's smile, so it is important to keep them healthy and protect them from any diseases. Tooth decay is the major problem caused due to cavities.