Dental A-Z

An electrical charge that is created when two dissimilar metals come into contact. The sensation is most frequently experienced when a new amalgam filling has been placed in a tooth which comes into contact with a gold restoration. Silver paper or a fork coming into contact with an amalgam filling may cause an electric "shock" or a metallic taste. In severe cases, the filling may have to be replaced with a "white" non-metallic restoration.

Spacing between the teeth either naturally or through tooth removal.

By use of injection or gas to render a patient unconscious in order to carry out a surgical procedure The NHS and the General Dental Council actively discourage GA in general dental practice in favour of hospital facilities.

A harmless condition affecting the top surface of the tongue. It appears to have white and red patches with wavy outlines on the affected areas, supposedly resembling the coastline on a map.

A tooth germ or follicle can become split or divided during its development which can give rise to the formation of an "identical twin" or supplemental tooth. This may be related to a genetic or inherited defect.

The study of dentistry which relates to the care of the elderly.

Healthy gums are pale pink and firm. Gums that are red and swollen, probably have gum disease or gingivitis. One of the commonest signs is the gums bleeding after brushing and/or flossing.

Tooth coloured filling material made from glass. It can be used in small shallow cavities but it generally has poor strength. It is very useful in children's teeth and can leach fluoride, which helps prevent further decay. It is sometimes used with dental composite to help the sealing of the tooth. Like composite it is very sensitive to moisture before it has set.

Inflammation of the tongue.

Relating to the jaws or teeth.

An area of tissue associated with an infection. A granuloma can increase to a large size and become invasive.

[see gingivitis]

The gingivae or the areas of mucous membrane surrounding the teeth.