‌Importance of brushing teeth‌:

Brushing teeth is the basis of protecting teeth.

You should brush your teeth at least twice a day, after getting up and before going to bed‌12.
Brushing teeth before going to bed is especially important, because saliva secretion is reduced during sleep, bacteria are easy to multiply, and brushing teeth can effectively prevent tooth decay‌.

‌Dietary habits and dental health‌:

Rinsing your mouth after meals can remove tooth residues and keep your mouth clean‌.
You should reduce sugar intake, because sugar is a "hotbed" for bacteria to grow and can easily cause tooth decay‌.

‌Regular oral examinations and teeth cleaning‌:

Regular teeth cleaning can remove dental plaque and food residues and prevent oral diseases‌.
Regular oral examinations can help detect dental problems early and treat them in time‌.

‌Other ways to protect teeth‌:

Use toothpicks less often to pick your teeth. It is recommended to use dental floss to avoid widening of the gaps between teeth and gum atrophy‌.
You can rinse your mouth with tea to enhance the acid resistance and anti-corrosion ability of teeth‌3. Following these little common sense can effectively maintain dental health and prevent oral diseases.