(n.) A powder or other substance to be used in cleaning the teeth; tooth powder.
Example Sentences:
(1) The model has been used to evaluate mineral changes from the use of fluoride dentifrices and rinses, chewing gum, and food sequencing.
(2) They received an oral prophylaxis and were assigned to the use of either the dentifrice containing soluble pyrophosphate and the copolymer, or to the dentifrice containing soluble pyrophosphate but without the copolymer, or to a placebo dentifrice that did not contain an anticalculus ingredient.
(3) The results showed that 96.8% used dentifrices, but only 36.2% used fluoride dentifrices.
(4) The three fluoride vehicles were fluoridated water supplies, fluoride supplements and fluoride containing dentifrice.
(5) Additionally Group I received fluoride tablets (FLUDENT) for daily sucking twice a day plus a placebo dentifrice free of fluoride.
(6) Unfortunately, a large number of potential compounds are unsuitable for use in dentifrices because they lack "substantivity", produce undesirable side-effects, or are incompatible with toothpaste ingredients.
(7) Clinical trials with a cross-over double-blind technique were undertaken to test chlortetracycline (Aureomycin) and the enzyme-containing dentifrice Zendium with regard to therapeutic effects on recurrent aphthous ulcers.
(8) Organic phosphonates have been introduced in dentifrices to reduce the formation of dental calculus.
(9) No side effects caused by the dentifrice which contained sodium polyphosphate were observed.
(10) Thus, according to the hydrodynamic theory of dentin sensitivity, these in vitro results suggest that pyrophosphate-containing dentifrices should reduce dentinal sensitivity.
(11) In conclusion, APF gel application before insertion of appliances and at regular recementations plus daily rinsing with dilute NaF or APF solutions throughout the periods of treatment and retention plus the regular use of a F dentifrice is recommended as a routine procedure for all orthodontic patients.
(12) Methods are compared using dentifrices containing 1,000, 1,500 and 2,500 ppm F as sodium monofluorophosphate (SMFP).
(13) This study shows that such common dentifrice components as the humectants, which contribute to the texture, rheologic characteristics, and shelf life of the product, also may affect the type of dental plaque grown on the tooth surfaces between toothbrushings or during long-term neglect of toothbrushing or of oral hygiene.
(14) The C group used customary, predominantly F-free dentifrices distributed by the local health authorities.
(15) Immediately after rinsing, subjects brushed their teeth for 30 seconds with a commercially available dentifrice containing 0.76% sodium monofluorophosphate and a soft-bristled toothbrush.
(16) Of the original 120 subjects, 111 completed the trial and the 3 dentifrice groups remained well balanced for age, sex and sensitivity.
(17) Nevertheless, mean mineral changes from all eight studies showed that all subjects produced more remineralization than demineralization when using a sodium fluoride-positive control dentifrice.
(18) A pH cycling model which incorporated a severe demineralization component was used to evaluate fluoride uptake and lesion progression for each of a NaF-based dentifrice, NaF-based mouthrinse and a monofluorophosphate (MFP)-based dentifrice.
(19) These findings suggest that abrasiveness of dentifrices depends strongly on testing conditions and that no single set of conditions is suitable for evaluating dentifrice abrasiveness.
(20) They received an oral prophylaxis and were assigned to the use of either a dentifrice containing 1.30% soluble pyrophosphate and 1.50% copolymer or to a placebo dentifrice that did not contain the anticalculus ingredients.
Powder
Definition:
(n.) The fine particles to which any dry substance is reduced by pounding, grinding, or triturating, or into which it falls by decay; dust.
(n.) An explosive mixture used in gunnery, blasting, etc.; gunpowder. See Gunpowder.
(v. t.) To reduce to fine particles; to pound, grind, or rub into a powder; to comminute; to pulverize; to triturate.
(v. t.) To sprinkle with powder, or as with powder; to be sprinkle; as, to powder the hair.
(v. t.) To sprinkle with salt; to corn, as meat.
(v. i.) To be reduced to powder; to become like powder; as, some salts powder easily.
(v. i.) To use powder on the hair or skin; as, she paints and powders.
Example Sentences:
(1) Sift the cocoa powder over the top and lightly but thoroughly fold it in with the metal spoon.
(2) Thus, enhancers are required to obtain significant nasal absorption of glucagon and calcitonin and powders and spray solutions did not differ in terms of systemic availability.
(3) On the other hand, immunofluorescence in anterior pituitary cells was faint and detected in only 2 of 28 patients with Graves' disease (7.1%) after absorption of their sera with rat liver aceton powder.
(4) High intensity ultrasound also enhances the heterogeneous catalysis of alkene hydrogenation by Ni powders.
(5) Rat heart acid acetone powder was subjected to ion exchange chromatography on CM-cellulose.
(6) The conformational similarity between tubules, sheets, and the dry powder is corroborated by calorimetry, which reveals a cooling exotherm at the same temperature where tubules form upon cooling hydrated sheets.
(7) Eight patients were seen within 15 minutes of intranasal self-administration of large amounts of pure D-lysergic acid diethylamide (LSD) tartrate powder.
(8) As soon as the component with the lower mechanical stability is percolating the powder system, tablet hardness is controlled entirely by this component.
(9) During powder compaction on a Manesty Betapress, peak pressures, Pmax, are reached before the punches are vertically aligned with the centres of the upper and lower compression roll support pins.
(10) Plasma cholesterol concentrations in F1b-generation rats were elevated, but cocoa powder did not affect this parameter consistently across multiple generations.
(11) In a trial with rams, application of polyethylene powder (PE) as a marker for determination of feed passage rate through the digestive tract and three methods of its determination in feed and feces were tested.
(12) Physical and technological parameters of carfecillin powder and carfecillin with auxiliary substances in the form of the powder mixture and granulate were studied comparatively.
(13) Treatment animals had the anastomoses and graft sealed with a suspension of N-butyl-2-cyanoacrylate and 1.2 g tobramycin powder (antibiotic glue, ANGL) after contamination.
(14) A suspension of 0.6 mg polyvinyl alcohol foam powder per milliliter of normal saline was found to be optimum.
(15) The allogenic implantation of demineralized bone powder induces the formation of new bone tissue or osteoneogenesis.
(16) The ICSAs were significantly absorbed with mouse islet cells but hardly absorbed with spleen cells or liver powder.
(17) Thus, with elution by either ATP or pyrophosphate, actin has been purified in one step from extracts of acetone-dried muscle powder.
(18) An analysis of variance of saliva levels and urinary excretion as well as an analysis of variance of peak concentration and the area under the curve from 0 to 24 hr for the saliva levels showed no significant difference between the powder and products, but a significant difference between subjects.
(19) In contact toxicity tests with water dispersible powder deposits on plywood, propoxur was highly active initially but lost its effectiveness after only a few weeks, whereas tetrachlorvinphos was less active initially but more persistent.
(20) Completely demineralized root powder was subjected to solutions of varying pH and ionic strength: (a) 0.1 M acetic acid, pH 4.0, (b) 0.1 M acetic acid + 0.15 M KCl, pH 4.0, (c) 0.1 M Hepes, pH 7.0 or to (d) 0.1 M Hepes + 0.15 M KCl, pH 7.0 at 37 degrees C. The surfaces of intact root specimens were exposed to 0.1 M acetic acid, pH 4.0 (which resulted in erosive lesions) or to 0.1 M lactic acid, 0.2 mM methane hydroxy diphosphonate, pH 5.0 (which produced subsurface lesions) at 37 degrees C. After incubation, the extracts were analysed for soluble collagen and the insoluble matrices were treated with trypsin at 15 degrees C to determine the denatured collagen.