What's the difference between amalgam and composite?

Amalgam


Definition:

  • (n.) An alloy of mercury with another metal or metals; as, an amalgam of tin, bismuth, etc.
  • (n.) A mixture or compound of different things.
  • (n.) A native compound of mercury and silver.
  • (v. t. / i.) To amalgamate.

Example Sentences:

  • (1) The reduction is believed due to the currently used pre-prepared disposable or reusable capsules containing the amalgam versus formerly mixing the ingredients manually.
  • (2) Recurrence of the dermatitis one day after amalgam dental fillings had been made and again one year later, this time without new fillings, raised the possibility that it was due to the old amalgam fillings.
  • (3) The anodic polarization profiles are presented, as well as scanning electron micrographs and x-ray analysis of the corroded amalgam surfaces.
  • (4) Further it is argued that there is a need to amalgamate the substantive, conceptual, and methodological facets of research.
  • (5) In an interdisciplinary study starting 2.5 years ago patients with various symptoms, which they associate with amalgam fillings, were examined.
  • (6) The SEM photographs demonstrated the faults which can be eliminated by the use of a stereomicroscope and showed also those which derive from the physical and chemical properties of the amalgam.
  • (7) Insertion of an adequate approximate amalgam filling and its finish after hardening is one of the basic preventive measures in marginal periodontopathies.
  • (8) This is indirect evidence suggesting that mercury from dental amalgam fillings may contribute to the body burden of mercury in the brain.
  • (9) The trienone XIII was subsequently epoxidised with alkaline hydrogen peroxide and m-chloroperbenzoic acid to give diepoxide XV which was reduced with aluminum amalgam to the final product V.
  • (10) Finely diffused and abraded amalgam must not be ignored as a source of absorbable mercury.
  • (11) Crevice corrosion propagation for gamma 2-free vs. gamma 2-containing amalgams was characterized by lower acceleration and maximum rates during the most dynamic period.
  • (12) A comparison with dose-effect relationships, obtained in occupational studies, for certain effects on the kidneys and central nervous system (CNS), suggests that individuals with unusually high emission of mercury from amalgam fillings are at risk.
  • (13) In the cracks corrosion products usually found on amalgam were identified.
  • (14) Only five restorations (one of amalgam and four of composite resin) failed during the trial.
  • (15) The purpose of this study was to compare the relative cytotoxicity of amalgams and to determine whether their toxicity depends upon composition and aging time, by means of a rapid and sensitive in vitro cell culture test.
  • (16) Through the report of a clinical case, the feasibility and advantages of repair and recontouring of complex amalgam restorations are discussed.
  • (17) The objective of this study was to determine the in vitro corrosion products that resulted from crevice corrosion of low- and high-copper dental amalgams.
  • (18) Moonlight wins best picture Oscar, after Warren Beatty gives gong to La La Land Read more “Peak blackness is a rare metaphysical anomaly that can only occur when an amalgam of black excellence comes together at the same societal intersection,” he said.
  • (19) Proximal retentive grooves significantly increase the strength of amalgam restorations in Class II cavities.
  • (20) This paper explores the role of size of place residential preference in the evolution of the intention to move out of the present community using data from the March 1974 NORC Amalgam Survey.

Composite


Definition:

  • (v. t.) Made up of distinct parts or elements; compounded; as, a composite language.
  • (v. t.) Belonging to a certain order which is composed of the Ionic order grafted upon the Corinthian. It is called also the Roman or the Italic order, and is one of the five orders recognized by the Italian writers of the sixteenth century. See Capital.
  • (v. t.) Belonging to the order Compositae; bearing involucrate heads of many small florets, as the daisy, thistle, and dandelion.
  • (n.) That which is made up of parts or compounded of several elements; composition; combination; compound.

Example Sentences:

  • (1) The resulting dose distribution is displayed using traditional 2-dimensional displays or as an isodose surface composited with underlying anatomy and the target volume.
  • (2) The urine compositions of the European mole Talpa europaea and of the white rat Rattus norvegicus (albino) kept on a carnivore's diet were compared.
  • (3) To determine the influence of cetylpyridinium chloride (CPC) adsorption on the wettability and elemental surface composition of human enamel, with and without adsorbed salivary constituents, surface-free energies and elemental compositions were determined.
  • (4) Abruptly changing cows from one feeding system to another did not influence milk yield, milk composition, or body weight gain.
  • (5) In spite of important differences in size, chemical composition, polymer density, and configuration, biological macromolecules indeed manifest some of the essential physical-chemical properties of gels.
  • (6) Protein composition was determined in mesenteric lymph chylomicrons from fat-fed rats.
  • (7) In vitro transcription products were analyzed for their 5' end sequences and their oligonucleotide compositions.
  • (8) The antigenic composition of an extract of rat dust, as a source of aeroallergens for rat-sensitive individuals, has been investigated and compared to the antigenic composition of rat saliva and urine.
  • (9) With better understanding of metabolic and compositional requirements, great advances have been made in the area of total parenteral nutrition.
  • (10) The usefulness of the proposed method is obvious in cases where the composition of a precipitate on LM scale is to be compared with the LM appearance of the surrounding tissue.
  • (11) This study examined the association between diet composition, particularly dietary fat intake, and body-fat percentage in 205 adult females.
  • (12) The specific rates of degradation of L-arginine-AMC, gly-proline-AMC, N-alpha-benzoyl-L-arginine-AMC and N-[p-toluene-sulphonyl]gly-pro-arginine-AMC were significantly greater in that group, indicating that the composition of their gingival crevicular fluid was different from that of the gingivitis group.
  • (13) Variations in light chain composition, particularly fast and slow myosin light chain 1, appeared to occur independently of the variations in heavy chain composition, suggesting that some myosin molecules consist of mixtures of slow- and fast-type subunits.
  • (14) Changes in the plasma lipid composition are observed in patients and animals with malignancy and certain other diseases that are consistent with peroxidation of plasma lipoprotein lipids.
  • (15) These two crystallins were compared with respect to their native molecular masses, subunit structures, peptide mapping and amino acid compositions in order to establish the identity of each crystallin.
  • (16) Essential characteristics of the composite bone cement included a homogeneous and uniform fiber distribution, and a minimal increase in apparent viscosity of the polymerizing cement.
  • (17) Histochemical and immunocytochemical staining of the outgrowths with reagents that depict epithelial, myoepithelial, and lactating alveolar cells (peanut lectin alone, monoclonal and polyclonal antibodies to rat caseins) indicate similar cell compositions and arrangements for all outgrowths irrespective of their source; these are also similar to the mammary glands of the perphenazine-stimulated or lactating hosts.
  • (18) The PC modification was affected by the fatty acid composition of the exogenous PC species.
  • (19) Intrinsic bending of the 527-bp fragment (bend center approximately at bp 240) was represented as a composite of at least two components located near bp 170 and near bp 260.
  • (20) It is inferred that in this experimental model (1) high-density lipoproteins are probably excreted in the glomerular filtrate, (2) alterations in the composition of the excreted lipoproteins may occur during their passage through the nephron.