Some signs that you have plaque on your teeth include bad breath, yellow teeth, and bleeding gums. Reduce dental plaque by brushing and flossing twice a day and using a plaque-fighting mouthwash.

Lea Anne Haney, a dental hygienist at Northeast Delta Dental, has soldiered on the front lines of mouth care for 45 years, using her gloved fingers, dental tools and jets of water to clean teeth and ...