abrasion: An erosion of tooth structure caused by incorrect brushing, hard toothbrushes or teeth grinding.
abscess: A tooth infection. Also an infection of the mouth's soft tissue or the jaw bone.
abutment: The teeth that support a dental bridge.
accelerated orthodontics: Periodontal surgery used to shorten the time required for orthodontic results.
acute necrotizing ulcerative gingivitis: Gum disease causing tissue loss and mouth sores. Caused by smoking and/or stress.
adhesive dentistry: The binding of fillings to teeth.
alveolar bone: The portion of the jaw that contains the teeth's nerve roots.
amalgam: A common filling material, also known as silver fillings. Composed of fifty percent mercury as well as copper, silver, tin, and zinc.
anesthesia: A temporary blocking of pain through loss of sensation.
anterior teeth: The six upper and six lower front teeth.
apex: The upper tip of a tooth's nerve root.
apicoectomy: The removal of an apex, or the tip of a tooth root.
arch: Tooth alignment.
attrition: Erosion of the teeth due to age and natural wear and tear.
base: Cement used during dental work to insulate tooth's nerve chamber (the pulp).
bicuspid: The teeth between the cuspids and the molars.
bite: The position and relationship between the upper and lower teeth when biting down.
bleaching: Any treatment that whitens stained or discolored teeth.
block injection: An anesthetic injection that numbs a large area of the jaw, mouth and teeth.
bonding: A tooth-colored resin used to repair or reshape teeth.
bone resorption: A loss of the bone supporting teeth roots, often due to gum disease.
braces: Wire devices used in orthodontics to reposition teeth.
bruxism: Teeth grinding.
calcium: Element necessary for healthy teeth.
calculus: A hard yellow-brown covering that forms over teeth. Also called tarter.
cantilever bridge: A dental bridge that attaches to neighboring teeth at one end.
caries: Tooth decay or cavities.
cavities: Another name for caries, or tooth decay.
cellulitis: A soft tissue infection.
cementum: The hard tissue that covers and protects a tooth's root nerve.
composite resin: A dental filling material composed of plastic combined with glass or ceramic materials.
cosmetic dentistry: Dentistry to improve appearance.
cosmetic gum surgery: Cosmetic surgery that removes gum tissue for a more attractive smile.
cuspid: The four "eye teeth." Also known as canines.
damon brackets: Orthodontic devices that allow wire braces to slide for adjustment.
DDS: Doctor of Dental Surgery.
decay: Damage to teeth caused by bacterial toxins.
deciduous teeth: The first set of teeth. Also called baby teeth.
dental air abrasion: The use of forced air and abrasives to remove unwanted tooth structures.
dental bridges: A dental device used to replace missing teeth.
dental cap: Another name for a dental crown.
dental contouring: The reshaping of teeth to make them straighter.
dental crown: A cover or cap used to replace a missing piece of tooth.
dental implant: A device used to anchor an artificial tooth or bridge.
dental inlays: A filling that repairs a broken or decayed area of tooth.
dental veneers: A cosmetic covering, usually of porcelain or plastic, used to improve the appearance of chipped or cracked teeth.
dentin: The portion of tooth directly beneath the enamel.
dentition: The position of teeth in the mouth.
dentures: Removable artificial teeth.
diastema: A space between two teeth.
DMD: Doctor of Medical Dentistry.
enamel: The hard outer layer of a tooth.
endodontics: The study and treatment of the internal tissue of the teeth.
eruption: How teeth push through the gums.
exfoliate: The loss of baby teeth.
extraction: The removal of a tooth.
eyeteeth: Another term for the cuspids, or canine teeth.