| TTD | temporary total disability; tissue tolerance dose; transient tic disorder; transverse thoracic diame... |
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| TTS | tarsal tunnel syndrome; temporary threshold shift; through the scope; through the skin; tilt table s... |
| Horner's teeth | Incisor teeth having a horizontal hypoplastic groove. (05 Mar 2000) |
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| separation of teeth | Loss of proximal contact of teeth, in orthodontics, the creation of interproximal spaces for the fitting of an appliance. (05 Mar 2000) |
| Huschke's auditory teeth | Tooth-shaped formations or ridges occurring on the vestibular lip of the limbus lamina spiralis of the cochlear duct. Synonym: dentes acustici, Corti's auditory teeth, Huschke's auditory teeth. (05 Mar 2000) |
| Hutchinson's teeth | The teeth of congenital syphilis in which the incisal edge is notched and narrower than the cervical area. See: Hutchinson's crescentic notch. Synonym: notched teeth, screwdriver teeth, syphilitic teeth. (05 Mar 2000) |
| skin of teeth | The primary enamel cuticle, consisting of two extremely thin layers (the inner one clear and structureless, the outer one cellular), covering the entire crown of newly erupted teeth and subsequently abraded by mastication; it is evident microscopically as an amorphous material between the attachment epithelium and the tooth. Synonym: cuticula dentis, adamantine membrane, dental cuticle, membrana adamantina, Nasmyth's cuticle, Nasmyth's membrane, skin of teeth. (05 Mar 2000) |
| spaced teeth | Teeth which have separated and lost proximal contact with adjacent teeth. (05 Mar 2000) |
| natal teeth | Predeciduous teeth present at birth. They may be well formed and normal or may represent hornified epithelial structures without roots. They are found on the gingivae over the crest of the ridge and arise from accessory buds of the dental lamina ahead of the deciduous buds or from buds of the accessory dental lamina. (12 Dec 1998) |
| nonanatomic teeth | Teeth with occlusal surfaces not based on anatomic forms; artificial teeth so designed that the occlusal surfaces are not copied from natural forms, but rather are given forms which in the opinion of the designer seem more nearly to fulfill the requirements of mastication, tissue tolerance, etc. (05 Mar 2000) |
| notched teeth | The teeth of congenital syphilis in which the incisal edge is notched and narrower than the cervical area. See: Hutchinson's crescentic notch. Synonym: notched teeth, screwdriver teeth, syphilitic teeth. (05 Mar 2000) |
| numerical notation for teeth | <dentistry> The numerical notation for teeth is an alternate to Palmer's notation. In this notation, the centrals are designated as 1's, the laterals as 2's, the cuspids as 3's, the first bicuspids as 4's, the second bicuspid's as 5's, etc. (08 Jan 1998) |
| deciduous teeth | <dentistry> The primary, or baby teeth. (08 Jan 1998) |
| supernumerary teeth | <dentistry> Some people have extra teeth. These are called supernumerary teeth. (08 Jan 1998) |
| syphilitic teeth | The teeth of congenital syphilis in which the incisal edge is notched and narrower than the cervical area. See: Hutchinson's crescentic notch. Synonym: notched teeth, screwdriver teeth, syphilitic teeth. (05 Mar 2000) |
| impacted teeth | <dentistry> Teeth that have not fully erupted into their normal position. (15 Nov 1997) |
| infundibulum of teeth | Origin: L, a funnel, from infundere to pour in or into. See Infuse. 1. <anatomy> A funnel-shaped or dilated organ or part; as, the infundibulum of the brain, a hollow, conical process, connecting the floor of the third ventricle with the pituitary body; the infundibula of the lungs, the enlarged terminations of the bronchial tubes. 2. <zoology> A central cavity in the Ctenophora, into which the gastric sac leads. The siphon of Cephalopoda. See Cephalopoda. Source: Websters Dictionary (01 Mar 1998) |