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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
51

An Evaluation of the Frozen Slab Mixing Technique on the Physical Properties of Certain Dental Cements

Coghlan, Charles Y. January 1974 (has links)
Indiana University-Purdue University Indianapolis (IUPUI) / A method was devised to evaluate the effect of the "frozen slab" mixing technique on the physical properties of a zinc phosphate, zinc silicophosphate, hydrophosphate and polycarboxylate cement. Those properties studied were the setting time, compressive strength, tensile strength and solubility. Standardized mixing procedures were employed using predetermined powder/liquid ratios. Setting and working times were increased for all cements when mixed on glass slabs chilled to -15 c. All cements kept on the cold slab were still unset after 32 minutes. Compressive and tensile strengths were adversely affected by the "frozen slab" technique. All cements gave parallel reductions of the two strengths on the order of 20 percent except the polycarboxylate which exhibited only a 5 percent reduction in tensile strength. The polycarboxylate exhibited the highest tensile strength while its compressive strength was one half the others tested. Solubility samples were prepared and placed in 0.001M acetic acid at pH4. Solutions were changed daily and solubility was determined by the gravimetric method. The solubility of all cement was adversely affected. The zinc silicophosphate exhibited the highest and the polycarboxylate the lowest solubility of the cements tested. It was recommended that cements be mixed above the dew point and multiple mixes be used to ensure optimum physical properties.
52

Coronal microleakage of a dentin bonding agent when used in the presence of a eugenol containing endodontic sealer

Minchau, Jeffrey G. January 2004 (has links)
Thesis (M.S.)--West Virginia University, 2004. / Title from document title page. Document formatted into pages; contains x, 91 p. : ill. (some col.). Vita. Includes abstract. Includes bibliographical references (p. 66-71).
53

Evaluation of microleakage of RSA Roekoseal Automix root canal sealer

Miller, Neil Thomas, January 2001 (has links)
Thesis (M.S.)--West Virginia University, 2001. / Title from document title page. Document formatted into pages; contains vii, 23 p. : ill. (some col.). Vita. Includes abstract. Includes bibliographical references (p. 15-21).
54

In vitro bond strength of orthodontic direct bonding bracket-cement systems a thesis submitted in partial fulfillment ... in orthodontics ... /

Buzzitta, V. A. James. Hallgren, Steven E. January 1981 (has links)
Thesis (M.S.)--University of Michigan, 1981.
55

Evaluation of a glass ionomer restoration to treat hypersensitive cervical anatomic deficiencies a thesis submitted in partial fulfillment ... restorative dentistry (operative) ... /

Mandel, Edward B. January 1983 (has links)
Thesis (M.S.)--University of Michigan, 1983.
56

In vitro quantification of the effects of fluoride release from light-cured glass ionomer restorations on the demineralization of human primary enamel report submitted in partial fulfillment ... for the degree of Master of Science (Pediatric Dentistry) ... /

Garcia-Rogers, Geraldine C. January 1996 (has links)
Thesis (M.S.)--University of Michigan, 1996. / Includes bibliographical references.
57

Zinc oxide-eugenol cements a study of some of the variables affecting crushing strength : a thesis submitted in partial fulfillment ... dentistry for children /

Kopel, Hugh Michaelson, January 1948 (has links)
Thesis (M.S.)--University of Michigan, 1948.
58

Physical properties of zinc oxide-eugenol cements this thesis is submitted as partial fulfillment ... dentistry for children ... /

Mickler, Arthur M. January 1951 (has links)
Thesis (M.S.)--University of Michigan, 1951.
59

In vitro bond strength of orthodontic direct bonding bracket-cement systems a thesis submitted in partial fulfillment ... in orthodontics ... /

Buzzitta, V. A. James. Hallgren, Steven E. January 1981 (has links)
Thesis (M.S.)--University of Michigan, 1981.
60

Evaluation of a glass ionomer restoration to treat hypersensitive cervical anatomic deficiencies a thesis submitted in partial fulfillment ... restorative dentistry (operative) ... /

Mandel, Edward B. January 1983 (has links)
Thesis (M.S.)--University of Michigan, 1983.

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