| FR | failure rate; film-screen radiograph; fasciculus retroflexus; febrile reaction; feedback regulation;... |
|---|---|
| OR | a logical binary relation that is true if any argument is true, and false otherwise; [o]estrogen rec... |
| ORE | oil retention enema |
| RC | an electronic circuit containing a resistor and capacitor in series; radiocarpal; reaction center; r... |
| RET | reticular; reticulocyte; retina; retention; retained; right esotropia |
| crossbite teeth | Posterior teeth designed to permit the modified cusps of the upper teeth to be positioned in the fossae of the lower teeth. (05 Mar 2000) |
|---|---|
| posterior teeth | <dentistry> Your bicuspids and molars. These are the teeth in the back of your mouth. (08 Jan 1998) |
| cutting teeth | The maxillary and mandibular anterior teeth. (05 Mar 2000) |
| primary teeth | <dentistry> The first set of teeth that develop in childhood. Synonym: deciduous teeth. (08 Jan 1998) |
| protruding teeth | Teeth extending beyond the normal contour of the dental arches; usually in an anterior direction. (05 Mar 2000) |
| sclerotic teeth | Teeth that are naturally hard and resistant to caries. (05 Mar 2000) |
| screwdriver 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) |
| secondary teeth | <dentistry> The permanent teeth, i.e. The second group of teeth to come in. (08 Jan 1998) |
| Horner's teeth | Incisor teeth having a horizontal hypoplastic groove. (05 Mar 2000) |
| 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) |