Inappropriate use or treatment of materials, techniques, persons, programmes, or language. See also child abuse.
A light source in which a current traverses a gas between two incandescent electrodes to generate an arc which produces light used to polymerize resins. It has a peak energy level of 900mW and a ...
(gwed-ĕl)an oropharyngeal airway used in anaesthesia and resuscitation. [A. E. Guedel (20th century), US anaesthetist]
The anterior part of the upper primitive molar tooth which usually carries three cusps (protocone, paracone, and metacone).
N.A very thin sheet of metal, usually gold, platinum, or tin. Cohesive gold foil is pure (24 carat) gold which, when condensed at room temperature against another piece of foil, will cohere or weld ...
A cavity whose shape is flared, created to provide a retentive lock for a direct or indirect restoration.
A surgical procedure utilizing a synthetic material, i.e. a material not from the human body.
A solution, gel, or varnish applied topically to a sensitive area of a tooth. See also dentine hypersensitivity.
[G. S. Monson (1869–1933), American dentist] The curve of occlusion of natural teeth in which each cusp and incisal edge touches or conforms to a segment of the surface of a sphere 20.3cm (8in.) in ...
The difference in size of risk between two groups. For example if one group has a 20% incidence of disease, and the other has a 15% incidence of the disease, the risk difference is 5%.
A type of fixed orthodontic appliance similar to a Begg appliance, but with brackets which have pre-adjusted values.
A small sterilizer containing salt heated to a temperature of 234°C (450°F), used for sterilizing endodontic burs and instruments immersed in the salt for 20–30 seconds. This type of equipment cannot ...
To surround, embed, or envelop in an investment material e.g. a wax pattern invested in a gypsum product.
A surgical technique for removing mandibular third molars where the lingual plate is fractured using a chisel.
[E. Clapton (1830–1909), English physician] A greenish discoloration of the marginal gingivae caused by chronic copper poisoning.
A venereal wart which may occur in the oral cavity. They present as pink soft papillary lesions.
A lay term used to describe any orthodontic appliance, most commonly those with visible wires, bands, or brackets.
A reaction to tooth trauma resulting in partial or complete obliteration of the pulp chamber by secondary dentine.
A three-dimensional range of mandibular movement which can take place during normal function. See also Posselt's envelope.
A thin unmineralized layer present on the surface of developing cementum. Also known as precementum and uncalcified cementum.