form

form (form)

Shape; mold. [L. forma]
accolé f.'s (ak-ola´) appliqué f.'s
appliqué f.'s (ap-li-ka´) a term applied to the manner in which the ring stage of Plasmodium falciparum parasitizes the marginal portion of erythrocytes.accolé f.'s;
arch f. the shape and contour of the dental arch, or of an orthodontic wire formed to the shape of that arch.
boat f. the less stable of two conformations assumed by 6-membered cyclic sugars (pyranoses) or cyclohexane derivatives, as opposed to chair f. See also Haworth conformational formulas of cyclic sugars.
cavity preparation f. the configuration or shape of a cavity preparation.
chair f. the more stable of two conformations assumed by 6-membered cyclic sugars (e.g., the pyranoses) or cyclohexane derivatives, as opposed to boat f. See also Haworth conformational formulas of cyclic sugars.
convenience f. the changes needed outside the basic outline f. to enable proper instrumentation for the cavity preparation and insertion of a dental restoration.
extension f. the extension of the cavity preparation outline f. to include areas of incipient carious lesions; this extension provides a dental restoration with margins that are self-cleansing or easily cleaned.
face f. 1. the outline f. of the face; 2. the outline f. of the face from an anterior view.
half-chair f. See Haworth conformational formulas of cyclic sugars.
involution f. an irregular or atypical bacterial cell produced as a result of exposure to unfavorable conditions.
L f. See L-phase variants, under variant.
occlusal f. the f. of the occlusal surface of a tooth or a row of teeth.occlusal pattern;
outline f. the shape of the area of the tooth surface included within the cavosurface margins of the cavity preparation of a dental restoration.
posterior tooth f. the distinguishing contours of the occlusal surface of the various posterior teeth.
replicative f. (RF) 1. an intermediate stage in the replication of either DNA or RNA viral genomes that is usually double stranded; 2. the altered, double-stranded f. to which single-stranded coliphage DNA is converted after infection of a susceptible bacterium, formation of the complementary ("minus") strand being mediated by enzymes that were present in the bacterium before entrance of the viral ("plus") strand.
resistance f. the shape given to a cavity preparation that enables the dental restoration to withstand masticatory forces.
retention f. the shape of a cavity preparation that prevents displacement of the dental restoration by lateral or tipping forces as well as masticatory forces.
sickle f. malarial crescent
skew f. See Haworth conformational formulas of cyclic sugars.
tooth f. the characteristics of the curves, lines, angles, and contours of various teeth which permit their identification and differentiation.
twist f. See Haworth conformational formulas of cyclic sugars.
wave f. the f. of a pulse; e.g., an arterial pressure or displacement wave; or of the pacemaker pulse as demonstrated on the oscilloscope under a specified load.waveshape;
wax f. wax pattern

 

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