| 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 enamel permeability | <dentistry> The property of dental enamel to permit passage of light, heat, gases, liquids, metabolites, mineral ions and other substances. It does not include the penetration of the dental enamel by microorganisms. (12 Dec 1998) |
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| dental enamel proteins | <dentistry> The proteins that are part of the dental enamel matrix. (12 Dec 1998) |
| dental engineering | <dentistry> Application of engineering principles to dentistry. (05 Mar 2000) |
| dental facilities | Use for material on dental facilities in general or for which there is no specific heading. (12 Dec 1998) |
| dental fibres | <dentistry> The processes of the pulpal cells, the odontoblasts, which extend in radial fashion through the dentin to the dentoenamel junction and are contained within the dentinal tubules. The intertubular fine collagenous fibre's that with the dentinal ground substance infiltrated with calcium salts constitutes the dentinal matrix. Synonym: Tomes' fibres. (05 Mar 2000) |
| dental fissure | <dentistry> Deep grooves or clefts in the surface of teeth equivalent to class 1 cavities in black's classification of dental caries. (12 Dec 1998) |
| dental fistula | <dentistry> A sinus tract originating in a peripheral abscess and opening into the oral cavity on the gingiva. (12 Dec 1998) |
| dental follicle | <dentistry> The dental sac with its enclosed odontogenic organ and developing tooth. (05 Mar 2000) |
| dental forceps | <dentistry> Forceps used to luxate teeth and remove them from the alveolus. Synonym: extracting forceps. (05 Mar 2000) |
| dental formula | <dentistry> A statement in tabular form of the number of each kind of teeth in the jaw; the dental formula for man is, for the deciduous teeth: for the permanent teeth: (05 Mar 2000) |
| dental furnace | <dentistry> A furnace used to eliminate the wax pattern from the investment mold prior to casting in metal, a furnace used to fuse and glaze dental porcelains. (05 Mar 2000) |
| dental geriatrics | <dentistry> Treatment of dental problems peculiar to advanced age. Synonym: gerodontics, gerodontology. (05 Mar 2000) |
| dental germ | The collective tissues from which an entire tooth is formed, including the dental sac, enamel organ, and dental papilla. (12 Dec 1998) |
| dental granuloma | Chronic nonsuppurative inflammation of periapical tissue resulting from irritation following pulp disease or endodontic treatment. (12 Dec 1998) |
| dental groove | A transitory depression in the gingival surface of the embryonic jaw along the line of ingrowth of the dental lamina. (05 Mar 2000) |