Results 161 to 170 of about 3,724 (225)
Pulp Reaction to a Polycarboxylate Cement in Monkeys
Journal of Dental Research, 1974 Pulp response to a polycarboxylate cement was evaluated microscopically in 48 teeth with intact dentin floors, and in 55 teeth with exposed pulps. The innocuous effect of polycarboxylate cements on the pulp was substantiated, although its use for pulp capping is not recommended.
A H, el-Kafrawy +3 more
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The Influence of Various Admixes on the Physical Properties of a Polycarboxylate Cement
Journal of Dental Research, 1983 Aluminum oxide, aluminum hydroxide, aluminum fluoride-trihydrate, and titanium dioxide hydrate were added to a commercial polycarboxylate cement. The first substance increased the setting time and certain physical properties. The others decreased the same properties to varying degrees.
G, Oilo, I E, Ruyter
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Optimizing Polycarboxylate Based Superplasticizer Dosage with Different Cement Type [PDF]
Procedia Engineering, 2017 The use of polycarboxylate ether (PCE) as superplasticizer (SP) in the manufacture of high strength concrete is increasingly common. Each brand of SP available on the market has different compositions, causing differences in dosage requirement and the ...
Djwantoro Hardjito
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Tissue reactions to polycarboxylate cements
Journal of Endodontics, 1976Root canals of the teeth of two dogs were filled with polycarboxylate cements, with and without additives. After 120 to 225 days, histologic examination showed the presence of severe, persistent inflammatory lesions around the materials. The results indicated that there would be no advantages to using polycarboxylates as root canal filling materials.
S, Seltzer +4 more
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The bonding of polycarboxylate cement to gold
Australian Dental Journal, 1977Abstract— A comparison is made of several types of treatment of the surface of gold which will promote greater bonding with polycarboxylate cement.
O W, Rogers, J R, Griffith
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Influence of talc on the properties of polycarboxylate cement
Journal of Oral Rehabilitation, 1997summary Zinc oxide, the inorganic component of polycarboxylate cement, was mixed with talc in various proportions from 10% to 50%. These powder mixtures were spatulated with poly(acrylic acid) in three powder to liquid (P/L) ratios of 1:1, 1‐5:1 and 2:1 (w/w).
R K, Bansal +3 more
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Influence of cryolite on the properties of polycarboxylate cement
The Journal of Prosthetic Dentistry, 1995Zinc oxide, the inorganic component of polycarboxylate cement, was mixed with the filler cryolite (Na3A1F6) in various proportions that ranged from 10% to 50%. These powder combinations were mixed with polyacrylic acid in three powder-to-liquid ratios of 1:1, 1.5:1, and 2:1 (w/w).
R K, Bansal +3 more
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Punch shear strength of polycarboxylate cements
The Journal of Prosthetic Dentistry, 1978Two general conclusions are drawn which apply to all the four commercial polycarboxylate cements: First, the effect of storage condition upon shear strength was much more pronounced after 24 hours than after 1 hour of storage time; second, the effect of storage condition was most extreme when the specimens were tested free of their matrices ...
J F, Santos, L, Steagall, J I, Silveira
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Studies on polycarboxylates and related cements 4. Properties of cements
Journal of Dentistry, 1979Abstract The mechanical properties, setting times, apparent pH of setting cements, solubility, film thickness and adhesion to enamel and dentine have been determined for a range of zinc polycarboxylate cements. The properties are discussed in relation to the suitability of the cements as linings and luting agents.
B W, Bertenshaw, E C, Combe, A A, Grant
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