acute angle
| central-bearing tracing device | In dentistry, a central-bearing device used for making a tracing and/or for support between upper and lower bases. (05 Mar 2000) |
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| contraceptive device | A device used to prevent pregnancy; e.g., occlusive diaphragm, condom, intrauterine device. (05 Mar 2000) |
| contraceptive device, intrauterine | A device inserted into the uterus (womb) to prevent conception (pregnancy). The IUD can be a coil, loop, triangle, or T in shape made of plastic or metal. (12 Dec 1998) |
| device | 1. That which is devised, or formed by design; a contrivance; an invention; a project; a scheme; often, a scheme to deceive; a stratagem; an artifice. "His device in against Babylon, to destroy it." (Jer. Li. 11) "Their recent device of demanding benevolences." (Hallam) "He disappointeth the devices of the crafty." (Job v. 12) 2. Power of devising; invention; contrivance. "I must have instruments of my own device." (Landor) 3. An emblematic design, generally consisting of one or more figures with a motto, used apart from heraldic bearings to denote the historical situation, the ambition, or the desire of the person adopting it. See Cognizance. Improperly, an heraldic bearing. "Knights-errant used to distinguish themselves by devices on their shields." (Addison) "A banner with this strange device - Excelsior." (Longfellow) 4. Anything fancifully conceived. 5. A spectacle or show. 6. Opinion; decision. Synonym: Contrivance, invention, design, scheme, project, stratagem, shift. Device, Contrivance. Device implies more of inventive power, and contrivance more of skill and dexterity in execution. A device usually has reference to something worked out for exhibition or show; a contrivance usually respects the arrangement or disposition of things with reference to securing some end. Devices were worn by knights-errant on their shields; contrivances are generally used to promote the practical convenience of life. The word device is often used in a bad sense; as, a crafty device; contrivance is almost always used in a good sense; as, a useful contrivance. Origin: OE. Devis, devise, will, intention, opinion, invention, fr. F. Devis architect's plan and estimates (in OF, division, plan, wish), devise device (in sense 3), in OF. Also, division, wish, last will, fr. Deviser. See Devise, and cf. Devise. Source: Websters Dictionary (01 Mar 1998) |
| device approval | Process that is gone through in order for a device to receive approval by a government regulatory agency. This includes any required preclinical or clinical testing, review, submission, and evaluation of the applications and test results, and post-marketing surveillance. It is not restricted to FDA. (12 Dec 1998) |
| device, assistive | Any device that is designed, made, and/or adapted to assist a person to perform a particular task. For examples, canes, crutches, walkers, wheel chairs, and shower chairs are all assistive devices. Device, intrauterine contraceptive (IUD): A device inserted into the uterus (womb) to prevent conception (pregnancy). The IUD can be a coil, loop, triangle, or T in shape made of plastic or metal. (12 Dec 1998) |
| intrauterine contraceptive device | <gynaecology> A contraceptive device that is placed within the uterus for the purpose of inhibiting conception. (27 Sep 1997) |
| intrauterine device expulsion | Spontaneous loss of intrauterine devices from the uterus. (12 Dec 1998) |
| focusing device | <microscopy> A device which effectively increases the angular aperture of the electron beam illuminating the object, rendering the focus more critical. (05 Aug 1998) |
| left-ventricular assist device | Mechanical pump inserted at some point in the circulation to parallel the activity of the left ventricle and thereby reduce its load. (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) |
| 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) |