| FDI | first dorsal interosseous [muscle]; International Dental Federation [Federation Dentaire Internation... |
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| FDO | Fleet Dental Officer |
| FDS | Fellow in Dental Surgery; fiber duodenoscope; flexor digitorum superficialis |
| FDSRCSEng | Fellow in Dental Surgery of the Royal College of Surgeons of England |
| FFDSRCS | Fellow of the Faculty of Dental Surgery of the Royal College of Surgeons |
| dental implants, single-tooth | Devices, usually alloplastic, surgically inserted into or onto the jawbone, which support a single prosthetic tooth and serve either as abutments or as cosmetic replacements for missing teeth. (12 Dec 1998) |
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| dental impression materials | Substances or combinations of substances used for making a negative reproduction or impression of the teeth and oral structures for the purpose of producing restorations, prostheses, and dentures, including elastomeric materials, dental plasters, metallic oxide pastes, hydrocolloids, silicone base materials, polyethers, polysulfides, and duplicating compounds. (12 Dec 1998) |
| dental impression technique | Procedure of producing an imprint or negative likeness of the teeth and/or edentulous areas. Impressions are made in plastic material which becomes hardened or set while in contact with the tissue. They are later filled with plaster of paris or artificial stone to produce a facsimile of the oral structures present. Impressions may be made of a full complement of teeth, of areas where some teeth have been removed, or in a mouth from which all teeth have been extracted. (12 Dec 1998) |
| dental index | Relation of the dental length (distance from the mesial surface of the first premolar to the distal surface of the third molar) to the basinasal (basion to nasion) length: (dental length ×100)/basinasal length, a system of numbers for indicating comparative size of the teeth. Synonym: Flower's dental index. (05 Mar 2000) |
| dental instruments | Hand-held tools or implements especially used by dental professionals for the performance of clinical tasks. (12 Dec 1998) |
| dental jurisprudence | The application of dental knowledge to questions of law. (12 Dec 1998) |
| dental lamina | dental ledge |
| dental lamina cyst | A small keratin-filled cyst, usually multiple, on the alveolar ridge of newborn infants; derived from remnants of the dental lamina. (05 Mar 2000) |
| dental leakage | The seepage of fluids, debris, and micro-organisms between the walls of a prepared dental cavity and the restoration. (12 Dec 1998) |
| dental lever | One who, or that which, raises or lifts up anything; as: A mechanical contrivance, usually an endless belt or chain with a series of scoops or buckets, for transferring grain to an upper loft for storage. A cage or platform and the hoisting machinery in a hotel, warehouse, mine, etc, for conveying persons, goods, etc, to or from different floors or levels; called in England a lift; the cage or platform itself. A building for elevating, storing, and discharging, grain. <anatomy> An instrument for raising a depressed portion of a bone. Elevator head, leg, and boot, the boxes in which the upper pulley, belt, and lower pulley, respectively, run in a grain elevator. Origin: L, one who raises up, a deliverer: cf. F. Elevateur. Source: Websters Dictionary (01 Mar 1998) |
| dental lymph | The lymph or fluid of dentin. It is a transudate of extracellular fluid, mainly cytoplasm of odontoblastic processes, from the dental pulp via the dentinal tubules. It is also called dental lymph. (12 Dec 1998) |
| dental material | Any material used in dentistry. (05 Mar 2000) |
| dental materials | Materials used in the production of dental bases, restorations, impressions, prostheses, etc. (12 Dec 1998) |
| dental neck | The slightly constricted part of a tooth, between the crown and the root. Synonym: cervix dentis, cervical margin of tooth, cervical zone of tooth, collum dentis, dental neck. (05 Mar 2000) |
| dental nerve | <anatomy, nerve> Layperson's term for a dental pulp, branches of the inferior and superior alveolar nerves to the teeth. See: inferior alveolar nerve, superior alveolar nerves. (05 Mar 2000) |