![]() Tooth filling: Drilling out the diseased part of a tooth and packing the space with a mineral filling can prevent a cavity from destroying the tooth.Teeth cleaning: Professional teeth cleaning every six months may help prevent teeth and gum disease.Rinsing teeth: Rinsing daily with an antiseptic mouthwash kills bacteria that cause bad breath and gum disease.Flossing teeth: Using floss or an approved dental gum cleaner cleans teeth below the gum line, where brushing cannot reach.Brushing teeth: Daily brushing of the teeth removes plaque and helps prevent cavities.Teeth examination: By viewing and gently manipulating the teeth, a dentist can detect potential teeth problems.Teeth X-ray films: X-ray pictures of the teeth may detect cavities below the gum line, or that are too small to identify otherwise.Tooth sensitivity: When one or more teeth become sensitive to hot or cold, it may mean the dentin is exposed.A dull headache or sore jaw can be symptoms. Teeth grinding (bruxism): Stress, anxiety, or sleep disorders can cause teeth grinding, usually during sleep.Underbite: The lower teeth protrude significantly past the upper teeth.Overbite: The upper teeth protrude significantly over the lower teeth.Tartar requires professional cleaning for removal. Tartar: If plaque is not removed, it mixes with minerals to become tartar, a harder substance.Plaque develops quickly on teeth after eating sugary food, but can be easily brushed off. Plaque: A sticky, colorless film made of bacteria and the substances they secrete.Plaque and tartar buildup can lead to gingivitis. Gingivitis: Inflammation of the surface portion of the gums, around and between the crowns of the teeth.Periodontitis: Inflammation of the deeper structures of the teeth (periodontal ligament, jawbone, and cementum).Tooth decay: A general name for disease of the teeth, including cavities.Most cavities occur on molars and premolars. Cavities (caries): Bacteria evade removal by brushing and saliva and damage the enamel and deeper structures of teeth.The root of each tooth descends below the gum line, into the jaw. The crown of each tooth projects into the mouth. Wisdom teeth or third molars (4 total): These teeth erupt at around age 18, but are often surgically removed to prevent the displacement of other teeth. ![]() Molars (8 total): Flat teeth in the rear of the mouth, best at grinding food.Premolars (8 total): Teeth between the canines and molars.Canines (4 total): The pointed teeth just outside the incisors.Incisors (8 total): The middlemost four teeth on the upper and lower jaws. ![]() A normal adult mouth has 32 teeth, which (except for wisdom teeth) have erupted by about age 13:
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