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Qualitative assessment of restorations at varying time intervals a thesis submitted in partial fulfillment ... in restorative dentistry ... /Carpenter, Kenneth E. January 1981 (has links)
Thesis (M.S.)--University of Michigan, 1981.
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Microleakage of an intermediate restorative material in primary and permanent teeth a thesis submitted in partial fulfillment ... for the degree of Master of Science in Pediatric Dentistry ... /Lattuf, Andreina Castro. January 1998 (has links)
Thesis (M.S.)--University of Michigan, 1998. / Includes bibliographical references.
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Qualitative assessment of restorations at varying time intervals a thesis submitted in partial fulfillment ... in restorative dentistry ... /Carpenter, Kenneth E. January 1981 (has links)
Thesis (M.S.)--University of Michigan, 1981.
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Comparison of microleakage in restorations subjected to thermal and mechanical stresses a thesis submitted in partial fulfillment ... for the degree of Master of Science in Pediatric Dentistry ... /Golnick, Jason M. January 2003 (has links)
Thesis (M.S.)--University of Michigan, 2003. / Includes bibliographical references.
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Microleakage and marginal adaptation of ultrasonically cured glass-ionomer sandwich restorationsFourie, Jeanine. January 2009 (has links)
Thesis (MSc (Odontology))--University of Pretoria, 2008. / Includes bibliographical references.
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Comparison of Microshear Bond Strength and Morphological Changes Between Active and Passive Application of 4th Generation Etch-and-Rinse Etchant on EnamelTrieu, Sophia Tuyet-Nhi 01 January 2010 (has links)
Over 200 million dental restorations are performed each year in America. A dental restoration require a strong bonding of restoration to tooth structure and relies on the dental adhesive to create this mechanical and chemical bonding. Dental adhesion or bonding is the process of forming an adhesive joint between the composite and tooth substrate: dentin or enamel. Clinical problems such as microleakage at the restoration tooth interface, influx of fluids, or bacteria growth at the cavity wall can be prevented with adhesives that obtain a more intimate bonding. Longevity of the restoration can be enhanced by the adhesive that creates the tight bonding to reduce problems such as postoperative sensitivity, marginal staining, and recurrent caries. The goal of this research project is to investigate the influence of active scrubbing application as compared to passive non-scrubbing application of the etchant component in 4th generation etch-and-rinse adhesive systems. Shear bond stresses have been measured and compared between application techniques. Verification of resin infiltration depth with each etchant application has been examined with scanning electron microscopy by mounting the etched and bonded enamel surface of the tooth in epoxy and slicing the tooth longitudinally producing a transverse, depth-wise view. Results from this study have clarified the role of resin tag formation as well as tooth morphology during an active acid etchant application for dental restoration.
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Assessment of a glass polyalkenoate cement and a polyacid-modified resin composite for the restoration of posterior teethLuo, Yan, 羅琰 January 2000 (has links)
published_or_final_version / Dentistry / Doctoral / Doctor of Philosophy
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The adhesive effects in dental restorationUnknown Date (has links)
The dental field shows proliferation in the market of new adhesives. The purpose of this study is to evaluate the mechanical properties on total restoration, based on the manufacturer's technical specifications, experimental and mechanical test results. The optimal dentist's selection will be when the most appropriate adhesive can be chosen for one specific restoration, avoiding wasted time, material and exposure to marginal infections with a failure restoration. This research was developed in stages. The first step is the study of the tooth morphological information. Following, there is the structure identification type and the chemical composition of six different pure adhesives. Next, perform the X-R Diffraction, Energy Disperse Spectroscopy (EDS), and Scanning Electron Microscopy (SEM). The final step is to perform the mechanical test, computer simulation, and discuss the results to obtain the best dental adhesive with and the new finding. Result: The samples show an amorphous structure and a chemical composition in the X-R Diffraction, SEM and EDS experiments. The mechanical test shows real mechanical properties under tension and sheer rupture stress. Poisson ratio, strain, and another relationship will be used in the computer simulation test. Results will be reflected in the Discussion and Conclusion. Significance: The first conclusion is that the amorphous structure is present in all six adhesives experiments. In addition, it shows strong possibilities of bonding with another neighbor's molecules. The discussion will be extended to the bonding advantages for this type of structure in the total dental restoration. / Findings: First, we found that the time delay of photo polymerization was controlled with the variable water evaporation of the etching treatment. In addition, it was found that the variable size of the wavelength of the curing light obtained better molecular organization and avoided internal stress and bonding defect. Lastly, the chemical composition was a variable that provided the opportunity to predict the type of bond and strength. / by Raul Vargas. / Thesis (Ph.D.)--Florida Atlantic University, 2008. / Includes bibliography. / Electronic reproduction. Boca Raton, Fla., 2008. Mode of access: World Wide Web.
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Assessment of a glass polyalkenoate cement and a polyacid-modified resin composite for the restoration of posterior teethLuo, Yan, January 2000 (has links)
Thesis (Ph. D.)--University of Hong Kong, 2001. / Includes bibliographical references (leaves 202-236).
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An assessment of methods for measuring and removing the effects of observer error on the decayed, missing, and filled (DMF) indexEklund, Stephen A. January 1981 (has links)
Thesis (DR. P.H.)--University of Michigan.
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