Enamel plays many important roles — it helps protect your teeth from cavities, erosion, infection and sensitivity to cold, hot or sweet foods. 3. They don’t open ... to dry mouth and decrease ...

Tooth sensitivity is discomfort in one or more teeth that is triggered by hot, cold, sweet or sour foods, or drinks, or cold air. Bad breath is often caused by bacteria in your mouth that gives ...

Only a doctor can fit you for a custom mouth guard, but for the best-fitting OTC alternative, look for a “boil and bite” guard that molds to your teeth ... risk is if you open up the jaw ...