Bellwork #9 - 2/24/15 What area of the eye gets clouded when affected by cataracts? What is the disease in which pressure builds up in the eye? What part of the ear contains fluid that helps us balance?

Oral Health

Parts of a Tooth Three main parts; crown, neck, and root Crown is the visible portion; protected with enamel Enamel is a hard substance made of calcium Beneath the enamel is dentin Tissue that contains the blood vessels and nerves of a tooth The neck of the tooth is between the crown and root

Keeping Your Teeth Healthy Periodontium The area immediately around the tooth Made up of the gum, periodontal ligaments, and the jawbone Support the tooth and hold it in it’s place Plaque Combination of bacteria and other particles, such as small bits of food Adheres to the outside of a tooth

Maintaining Dental Health Eat a well-balanced diet Include phosphorus, calcium, and vitamin C Reduce intake of sugary drinks and snacks Brush after every meal and floss daily Get regular dental check-ups Wear a mouthguard when playing contact sports Avoid all tobacco products

Tooth and Mouth Problems Halitosis - bad breath caused by eating certain foods, poor oral hygiene, smoking, bacteria on the tongue, decayed teeth, and gum disease Periodontal disease - inflammation of the periodontal structures caused by bacterial infection Malocclusion - misalignment of the upper and lower teeth caused by crowding or extra teeth, thumb sucking, injury, or heredity