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Displaying 226 - 246 of 246

Indentation Modulus and Hardness of Whisker-Reinforced Heat-Cured Dental Resin Composites

January 1, 2000
Author(s)
H H. Xu, Douglas T. Smith, Gary E. Schumacher, F Eichmiller, Joseph M. Antonucci
Recent studies showed that ceramic whisker reinforcement imparted a nearly two-fold increase in the strength of dental resin composites. The aim of the study was to investigate the indentation response and measure the elastic modulus hardness, and

Demineralizing Effect of Dental Cements on Human Dentin

November 1, 1998
Author(s)
Y Shimada, Y Kondo, S Inokoshi, J Tagami, Joseph M. Antonucci
This study was undertaken to verigy the hypothesis that dentin surfaces are demineralized during placement of four kinds of chemically setting cements (zinc phosphate cement, luting glass-ionomer cement, restorative glass-ionomer cement, and zinc

Effect of Powder Grinding on Hydroxyapatite Formation in a Polymeric Calcium Phosphate Cement Prepared from Tetracalcium Phosphate and Poly[Methyl Vinyl Ether-Maleic Acid]

November 1, 1998
Author(s)
Y Matsuya, S Matsuya, Joseph M. Antonucci, S. Takagi, Laurence C. Chow, A Akamine
The primary aim of this study was to determine if cement based on poly(methyl vinyl ether-maleic acid) (PMVE-Ma) and tetracalcium phosphate (TTCP) resulted in hydroxyapatite (OHAp) formation. In addition, the mechanical strength of this type of polymeric

Evaluation of Dental Adhesion and Durability by Means of the Microbond Test

February 25, 1998
Author(s)
Joseph M. Antonucci, Walter G. McDonough, Joy P. Dunkers
The phenomenon of interfacial of interphase adhesion is a critical factor in determining the strength and durability of multiphase dental materials. For example, the clinical performance of acrylic polymer based dental composites depends to a large extent