You use braces.
THE BEST THING TO DO TO PREVENT BAD TEETH IS BRUSH YOUR TEETH.
Fluoride protects your teeth by putting a protective coating on your teeth. The protective coating helps prevent bacteria from damaging your teeth.
Brush your teeth!
The dentist would inject lidocaine at the inferior alveolar nerve block — commonly called a mandibular block. The needle goes into the soft tissue just inside the cheek, near the back of the lower jaw, targeting the inferior alveolar nerve before it enters the mandibular foramen. This numbs the entire lower half of that side — all the lower teeth, the gum, and usually the lower lip and chin too. It's the most common and effective injection for any work on lower teeth because the lower jaw's dense bone makes direct infiltration far less effective than it is on the upper teeth.
by brushing them regurlarly
You use braces.
Milk is not bad for teeth. In fact, it is good for teeth because it contains calcium and other nutrients that help strengthen teeth and prevent decay.
plaque is dirt in your teeth
Brushing your teeth every morning.
Good oral hygiene will prevent for instance gum disease, less plaque and by brushing teeth daily will prevent cavities. It is also advisable for people who want to keep their teeth for a lifetime.
to prevent bat breath
Chewing gum can and does stick to dental work in the teeth. Teeth are usually covered with a biofilm of bacteria that prevent the gum from sticking.Ê