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Transcript
TEETH S TEETH S Aid in mechanical digestion of your food. TYPES OF TEETH Types of Tooth Function of Tooth Incisors Cutting Canines Tearing Premolars Tearing and Chewing Molars Chewing TOOTH PARTS Part of Tooth Function Enamel Outer layer of the tooth. Enamel is the hardest material in the body. Enamel protects the inside of the tooth. Dentin Inner part of tooth, yellow in color. Similar to bone, not as strong as Enamel. Pulp Most inner part of tooth, contains nerves and blood vessels. Gums Pink area around tooth. DENTAL PROBLEMS CAVITIES S Bacteria, acid, food, and saliva combine in the mouth to form a sticky substance called plaque that sticks to the teeth. S The acids in plaque dissolve the enamel surface of the tooth and create holes in the tooth called CAVITIES. ROOT CANAL Tooth decay invades the tooth, penetrating through the enamel and then the dentin in to the pulp. Gingivitis Plaque at the base of the tooth causing irritation, redness, and swelling of your gums. S Irritation, redness and swelling of your gums. PERIDONTITIS S Occurs when gingivitis is untreated. S Infection and inflammation spreads from the gums to the ligaments and bone that supports the teeth. S Loss of support causes the teeth to become loose and eventually fall out.