| plaster | 1. <medicine> An external application of a consistency harder than ointment, prepared for use by spreading it on linen, leather, silk, or other material. It is adhesive at the ordinary temperature of the body, and is used, according to its composition, to produce a medicinal effect, to bind parts together, etc.; as, a porous plaster; sticking plaster. 2. A composition of lime, water, and sand, with or without hair as a bond, for coating walls, ceilings, and partitions of houses. See Mortar. 3. Calcined gypsum, or plaster of Paris, especially when ground, as used for making ornaments, figures, moldings, etc.; or calcined gypsum used as a fertiliser. Plaster cast, a copy of an object obtained by pouring plaster of Paris mixed with water into a mold. Plaster of Paris. [So called because originally brought from a suburb of Paris. <mathematics> A bandage saturated with a paste of plaster of Paris, which on drying forms a perfectly fitting splint. Plaster stone, any species of gypsum. See Gypsum. Origin: AS, a plaster (in sense 1), fr. L. Emplastrum, Gr, fr. To daub on, stuff in; in + to mold: cf. OF. Plastre a plaster (in sense 2), F. Platre. Cf. Plastic, Emplaster, Piaster] [Formerly written also plaister. Source: Websters Dictionary (01 Mar 1998) |
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| plaster bandage | A roller bandage impregnated with plaster of Paris and applied moist; used to make a rigid dressing for a fracture or diseased joint. (05 Mar 2000) |
| plaster of Paris disease | Atrophy of bone in a limb which has been encased for some time in a plaster of Paris splint. (05 Mar 2000) |
| plaster splint | A splint constructed of bandages impregnated with plaster of Paris. (05 Mar 2000) |
| superior dental branches of superior dental plexus | Branches passing from the superior dental plexus to the roots of the teeth of the upper jaw. Synonym: rami dentales superiores plexus dentalis superioris. (05 Mar 2000) |
| inferior dental branches of inferior dental plexus | Branches passing from the inferior dental plexus to the roots of the teeth of the lower jaw. Synonym: rami dentales inferiores plexus dentalis inferioris. (05 Mar 2000) |
| acid etching, dental | Pretreatment of tooth surfaces with etching agents, usually phosphoric acid, to increase the adhesion of various resin systems. (12 Dec 1998) |
| american dental association | Professional society representing the field of dentistry. (12 Dec 1998) |
| anterior superior dental arteries | Origin, infraorbital artery within intraorbital canal; distribution, via anterior alveolar canals to upper incisors and canine teeth, mucus membrane of maxillary sinus. Synonym: arteriae alveolares superiores anteriores, anterior superior dental arteries. (05 Mar 2000) |
| apical dental foramen | The opening at the apex of the root of a tooth that gives passage to the nerve and blood vessels. Synonym: foramen apicis dentis, apical dental foramen, root foramen. (05 Mar 2000) |
| arrested dental caries | Carious lesions that have become inactive and stopped progressing; they may exhibit changes in colour and/or consistency. (05 Mar 2000) |
| biomedical and dental materials | Substances used in biomedicine or dentistry predominantly for their physical, as opposed to chemical, properties. (12 Dec 1998) |
| radiography, dental | Radiographic techniques used in dentistry. (12 Dec 1998) |
| radiography, dental, digital | A rapid, low-dose, digital imaging system using a small intraoral sensor instead of radiographic film, an intensifying screen, and a charge-coupled device. It presents the possibility of reduced patient exposure and minimal distortion, although resolution and latitude are inferior to standard dental radiography. A receiver is placed in the mouth, routing signals to a computer which images the signals on a screen or in print. It includes digitizing from X-ray film or any other detector. (12 Dec 1998) |
| general practice, dental | Nonspecialised dental practice which is concerned with providing primary and continuing dental care. (12 Dec 1998) |