Search Results - "Schuster, G S"

Effect of heating delay on conversion and strength of a post-cured resin composite by Loza-Herrero, M A, Rueggeberg, F A, Caughman, W F, Schuster, G S, Lefebvre, C A, Gardner, F M

“…Physical property enhancement in light-cured resin composites from post-cure heating is attributed to free radicals created during initial photocuring, the…”
Get more information

Oral flora and pathogenic organisms by Schuster, G S

“…Oral microbial flora consist of numerous bacterial taxa, ranging from aerobes through fastidious anaerobes, and fungi, viruses, and protozoa. Many of these…”
Get more information

Identification and characterization of estrogen-like components in commercial resin-based dental restorative materials by Lewis, J B, Rueggeberg, F A, Lapp, C A, Ergle, J W, Schuster, G S

“…Recently, resin-based dental restorative materials have been targeted as potential sources of xenoestrogens, specifically bisphenol A (BPA) and bisphenol A…”
Get full text

Effects of subtoxic concentrations of benzoyl peroxide on cell lipid metabolism by Datar, R., Rueggeberg, Fredrick A., Caughman, G. B., Wataha, John C., Lewis, Jill, Schuster, G. S.

“…Benzoyl peroxide (BP), a tumor promoter, has been shown to cause free‐radical–induced lipid peroxidation and membrane damage at toxic concentrations. However,…”
Get full text

Sealing properties of two contemporary single-cone obturation systems by Monticelli, F., Sword, J., Martin, R. L., Schuster, G. S., Weller, R. N., Ferrari, M., Pashley, D. H., Tay, F. R.

“…Aim  To compare the sealing of root canals filled with two single‐cone obturation systems and a warm vertical compaction technique. Methodology  Forty‐two…”
Get full text

Correlation of cytotoxicity, filler loading and curing time of dental composites by Caughman, W F, Caughman, G B, Shiflett, R A, Rueggeberg, F, Schuster, G S

“…Previous studies have shown that dental resin composites tested in cell culture produce cytotoxic effects on human gingival tissues. In this study, the…”
Get more information

Effects of triclosan on the cytotoxicity and fungal growth on a soft denture liner by Lefebvre, Carol A., Wataha, John C., Cibirka, Roman M., Schuster, George S., Parr, Gregory R.

“…Statement of problem. Contamination of removable prostheses with microorganisms, particularly Candida albicans, is a common clinical problem. Microban, a…”
Get full text

HLA-DR alleles are associated with IDDM, but not with impaired neutrophil chemotaxis in IDDM by Gustke, C J, Stein, S H, Hart, T C, Hoffman, W H, Hanes, P J, Russell, C M, Schuster, G S, Watson, S C

“…Insulin-dependent diabetes mellitus (IDDM) is a risk factor for periodontitis. Depressed neutrophil chemotaxis has been demonstrated in IDDM and in early-onset…”
Get more information

Bacterial and protozoal infections by Schuster, G S

“…The oral cavity is a common site for manifestations of systemic microbial diseases. Oral lesions may be typical of those seen elsewhere on the body, or the…”
Get more information

Endotoxin affinity for orthodontic brackets by Knoernschild, Kent L., Rogers, Holly M., Lefebvre, Carol A., Fortson, Weston M., Schuster, George S.

“…Endotoxin, cell envelope lipopolysaccharide produced by gram-negative bacteria can activate an immune response through a variety of pathways. In addition, it…”
Get full text

Changes in cell phospholipid metabolism in vitro in the presence of HEMA and its degradation products by Schuster, G.S., Caughman, G.B., Rueggeberg, F.A.

“…Objectives: Diacylglycerol-kinase (DAG-kinase) is an enzyme that phosphorylates diacylglycerol (DAG) to phosphatidic acid (PA), which serves as a precursor to…”
Get full text

The effect of nicotine on reproduction and attachment of human gingival fibroblasts in vitro by Peacock, M E, Sutherland, D E, Schuster, G S, Brennan, W A, O'Neal, R B, Strong, S L, Van Dyke, T E

“…The ability of fibroblasts to reproduce and attach to teeth is of paramount importance in re-establishing the lost connective tissue attachment after…”
Get more information

Binding, uptake, and release of nicotine by human gingival fibroblasts by Hanes, P J, Schuster, G S, Lubas, S

“…Previous studies of the effects of nicotine on fibroblasts have reported an altered morphology and attachment of fibroblasts to substrates and disturbances in…”
Get more information

Structural and functional changes of cementum surface following exposure to a modified Nd:YAG laser by Tewfik, H M, Garnick, J J, Schuster, G S, Sharawy, M M

“…A modified Nd:YAG laser was evaluated for its effect on root cementum topography and fibroblastic attachment. Fifteen extracted human teeth were curetted,…”
Get more information

Responses of oral epithelial cells to dental resin components by Lefebvre, C A, Schuster, G S, Rueggeberg, F A, Tamareselvy, K, Knoernschild, K L

“…The light-polymerized resins used in dentistry and their various constituents have been shown to produce significant levels of cytotoxicity, depending upon the…”
Get more information

Alterations in cell lipid metabolism by glycol methacrylate (HEMA) by Schuster, G.S., Caughman, G.B., Rueggeberg, F.A., Lefebvre, C.A., Cibirka, R.

“…Components of dental resins such as dimethylaminoethyl methacrylate (DMAEMA) can alter cell lipid composition, presumably by esterase-mediated hydrolysis. The…”
Get full text

Effects of an aminomethacrylate on epithelial cell lipid metabolism by Schuster, G.S., Erbland, J.F., Lefebvre, C.A., Caughman, G.B., Knoernschild, K.L.

“…Methacrylates can affect cell functions by surfactant-like effects or by altering cell lipid composition. Dimethylaminoethyl methacrylate (DMAEMA), an…”
Get full text

A comparison of monomer conversion and inorganic filler content in visible light-cured denture resins by Barron, D J, Rueggeberg, F A, Schuster, G S

“…Visible light-cured (VLC) denture resins are relatively new products used for the reline and repair of dentures. The conversion of monomer into polymer in 3…”
Get more information

The effects of intracanal medicaments, fillers, and sealers on the attachment of human gingival fibroblasts to an exposed dentin surface free of a smear layer by Breault, L G, Schuster, G S, Billman, M A, Hanson, 3rd, B S, Kudryk, V L, Pashley, D H, Runner, R R, McPherson, 3rd, J C

“…To date there has been very little research into the possible effects of endodontic therapy on regeneration of the lost periodontal attachment. The objective…”
Get more information

Alterations of cell lipids by metal salts by Schuster, George S., Caughman, Gretchen B.

“…Metallic medical devices undergo degradation in vivo and the degradation products affect the chemistry and biological responses of cells and tissues in the…”
Get full text