(n.) A process which consists in surrounding a solid body with the powder of other substances, and heating the whole to a degree not sufficient to cause fusion, the physical properties of the body being changed by chemical combination with powder; thus iron becomes steel by cementation with charcoal, and green glass becomes porcelain by cementation with sand.
Example Sentences:
(1) In this study, a potassium nitrate-polycarboxylate cement was used as a liner and was found clinically to tend to preserve pulpal vitality and significantly eliminate or decrease postoperative pain.
(2) The incidence of femur fracture in non-cemented hip arthroplasty has been reported to be between 4.1% and 27.8%.
(3) 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.
(4) Two hundred and forty root canals of extracted single-rooted teeth were prepared to the same dimension, and Dentatus posts of equal size were cemented without screwing them into the dentine.
(5) Cermet cement sealings showed defects more frequently.
(6) On Monday, the day after a party congress officially cementing Putin's candidacy in the 4 March presidential election, the top stories on Inosmi concerned modernisation, the eurozone crisis and Iran.
(7) To overcome these problems we developed methotrexate bone cement (MTX-Palacos) with the aim to obtain high local concentrations of methotrexate in order to destroy remaining tumor cells and avoid systemic side effects.
(8) The component was revised in forty-five patients, revision and advancement of the trochanteric component was done in twenty-five patients, and impinging bone or cement was removed from six patients; a combination of these procedures was done in nineteen patients.
(9) No clear population trends were seen in dental disease incidence except for cemental caries which were found among Copper and Bronze Age remains.
(10) All the flies were collected from a breeding site inside an abandoned cement building.
(11) Bone cement particles promote polyethylene wear, which in turn promotes granuloma formation, bone resorption, and subsequent bone cement disintegration.
(12) In addition, hypertension, blood group, surgical approach, and choice of cemented or cementless total hip replacement did not seem to affect the incidence of deep-vein thrombosis.
(13) The use of glass-ionomer cements in clinical dentistry has expanded greatly over the last decade.
(14) This study evaluated the bond strength between glass ionomer cements and laser-etched dentin.
(15) Microscopy revealed a spectrum of tissue reactions, ranging from a seemingly direct bone-cement contact to a fibrous membrane, up to 1.5 mm thick.
(16) Forty metal femoral cups were matched with a cemented acetabulum, while with 46 the acetabular implant was cementless.
(17) Cement was pressurized into the cavity of the anatomic specimens, and the maximum interface shear strength between the cement plug and the bone was experimentally determined for each revision.
(18) No significant differences were found among any of the cements at any of the times.
(19) With equal cementing conditions and points of measurement for all crowns, the PFM crowns were found to be significantly superior to the other crown types.
(20) This study evaluated the usefulness and accuracy of preoperative planning for cemented and cementless total hip arthroplasty (THA).
Pore
Definition:
(v.) One of the minute orifices in an animal or vegetable membrane, for transpiration, absorption, etc.
(v.) A minute opening or passageway; an interstice between the constituent particles or molecules of a body; as, the pores of stones.
(v. i.) To look or gaze steadily in reading or studying; to fix the attention; to be absorbed; -- often with on or upon, and now usually with over.
Example Sentences:
(1) The flow properties of white cells were tested after myocardial infarction, by measuring the filtration rates of cell suspensions through 8 microns pore filters.
(2) The functions of O-GlcNAc remain largely unknown, but it may be important in blocking phosphorylation sites, it may be required for the assembly of specific multiprotein complexes, it might serve as a nuclear transport signal, or it may be directly involved in the active transport of macromolecules across nuclear pores.
(3) The property of melittin pores is shown to be provided by the amino group of the N-terminal glycine residue.
(4) This force will be numerically similar to the net driving Starling force in small pores, but distinctly different in large pores.
(5) The penetration coefficient, determined by the surface tension, contact angle and viscosity, is a measure of the ability of a liquid to penetrate into a capillary space, such as interproximal regions, gingival pockets and pores.
(6) Morphometric analysis of pores and pore complexes shows their size, structure, and density to be similar to that of other mammalian cells.
(7) Nuclear pores were frequently tagged after estradiol treatment.
(8) The toxins all create pores in the cell membrane of target cells leading to eventual cell lysis and they appear to require Ca2+ for cytotoxic activity.
(9) Thus, alkaloid and insecticide modifications share many features but differ in how much the conducting properties of the pore are changed and whether the channel can close reversibly while the toxin remains bound.
(10) A minor portion of the lymph is produced also in the lymph-fold from where it is transported in the interstitial tissue either by transfer vesicles of the circulatory blood capillaries or by pores and fenestrae of the transudatory blood capillaries.
(11) In the cis-trans axis of the Golgi apparatus the following compartments were observed: (a) On the cis face there was a continuous osmiophilic tubular network referred to as the cis element; (b) a cis compartment composed of 3 or 4 NADPase-positive saccules perforated with pores in register forming wells that contained small vesicles; (c) a trans compartment composed of 1 or 2 TPPAse-positive elements underlying the NADPase ones, followed by 1 or 2 CMPase-positive elements that showed a flattened saccular part continuous with a network of anastomotic tubules.
(12) The channels studied here were more selective for monovalent cations than anions, but also showed some permeability to anions and larger electrolytes, suggesting a large functional pore diameter.
(13) Block by Ba2+, Ca2+, Mg2+, and Pt(NH3)4(2+) from the vacuolar and cytoplasmic sides is used to probe the structure of, and ion interactions within, the pore.
(14) The increased hindrance to diffusion of the probing molecules caused by the added solutes is considered as good evidence that the probing molecules diffuse by way of pores filled with water.6.
(15) We are reporting the effect of a cellulose acetate 0.20 micron filter (Flow Pore D26) on preparation of platelet poor plasma (PPP) for subsequent assay of platelet specific proteins.
(16) A further increase in silicon dioxide concentration produced tablets with relatively larger pore sizes.
(17) 1 hour after 1200 R X-ray irradiation the pore density in regenerating liver decreases 5.8-fold, consisting only of 1.7 PCs per 1 micron2 of the NE.
(18) The effect of increasing acetylcholine concentration can best be explained by postulating an increase in the effective channel radius of the water secretion pathway from 0.40 nm to 0.45 nm together with a small increase in the fraction of the total water flow passing through larger non-selective pores.
(19) A small helix is identified at the carboxy terminus of A2 which emerges through the central pore of the B subunits and probably comes into contact with the membrane upon binding, whereas the A1 subunit is flexible with respect to the B pentamer.
(20) Under conditions of chemotaxis with activated serum beneath the filter, the neutrophil population oriented at the filter surface with nuclei located away from the stimulus, centrioles and associated radial array of microtubules beneath the nuclei, and microfilament-rich pseudopods penetrating the filter pores.