Search Results - "Grobler, S R"

Spectrophotometric assessment of the effectiveness of Opalescence PF 10%: A 14-month clinical study by Grobler, S.R, Hayward, R, Wiese, S, Moola, M.H, van W Kotze, T.J

“…Abstract Objectives To evaluate the effectiveness of Opalescence PF 10% just after treatment, at 6-month follow-up and at a 14-month follow-up period. Methods…”
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A Clinical Study of the Effectiveness of Two Different 10% Carbamide Peroxide Bleaching Products: A 6-Month Followup by Hayward, R., Grobler, Sias R., Kotze, T. J. van W., Moola, M. H., Rossouw, R. J., Majeed, A.

“…The purpose of this study was to evaluate the efficacy of two different 10% carbamide peroxide bleaching products just after treatment and after a 6-month…”
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Analysis of rope load sharing on multi-rope friction winders by Greenway, M.E., Grobler, S.R., Bilessuris, S.

“…Ensuring that all the head ropes on a multi-rope friction winder share the load equally has been a design and maintenance issue since they were first…”
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The relationships between two different drinking water fluoride levels, dental fluorosis and bone mineral density of children by Grobler, S R, Louw, A J, Chikte, U M E, Rossouw, R J, van W Kotze, T J

“…This field study included the whole population of children aged 10-15 years (77 from a 0.19 mg/L F area; 89 from a 3.00 mg/L F area), with similar nutritional,…”
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The pH of various tooth-whitening products on the South African market by Majeed, A, Grobler, S R, Moola, M H

“…The purpose of this in vitro study was to investigate the pH of 21 commercially available tooth-whitening products. Tooth-whitening products were divided into…”
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The effect of three whitening oral rinses on enamel micro-hardness by Potgieter, E, Osman, Y, Grobler, S R

“…The purpose of this study was to determine the effect on human enamel micro-hardness of three over-the-counter whitening oral rinses available in South Africa…”
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Guidelines for the selection of tooth whitening products amongst those available on the market by Basson, R A, Grobler, S R, Kotze, T J vW, Osman, Y

“…Several tooth whiteners are available on the market, and the ideal choice should be determined by efficacy and optimal clinical results. The purpose of this…”
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Whitening efficacy of three over-the-counter oral rinses by Potgieter, E, Grobler, S R

“…The aim of the study was to determine the whitening efficacy of three different oral rinses. Eighty extracted teeth were randomly divided into four groups,…”
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Effect of various tooth-whitening products on enamel microhardness by Grobler, S R, Majeed, A, Moola, M H

“…The purpose of this in vitro study was to evaluate the effect of various tooth-whitening products containing carbamide peroxide (CP) or hydrogen peroxide (HP),…”
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Effect of the reduction of petrol lead on the blood lead levels of South Africans by Maresky, L S, Grobler, S R

“…Lead has no metabolic role in the human body and its presence is associated with various toxic effects. Several countries have responded to this health hazard…”
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Effect of four over-the-counter tooth-whitening products on enamel microhardness by Majeed, A, Grobler, S R, Moola, M H, Oberholzer, T G

“…This in vitro study evaluated the effect of four over-the-counter tooth-whitening products on enamel microhardness. Fifty enamel blocks were prepared from…”
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Evidence of undue lead exposure in Cape Town before the advent of leaded petrol by GROBLER, S. R, THEUNISSEN, F. S, MARESKY, L. S

“…Lead concentrations were determined in the exhumed teeth of 28 people who lived in the Cape Town area before the combustion of leaded petrol (i.e. before…”
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The effect of honey on human tooth enamel in vitro observed by electron microscopy and microhardness measurements by Grobler, S R, du Toit, I J, Basson, N J

“…Various fruit juices with relatively low pH are known to have erosive effects on human tooth enamel in a reasonably short time. Honey, also with a relatively…”
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Effect of four different opalescence tooth-whitening products on enamel microhardness by Majeed, A, Grobler, S R, Moola, M H, Rossouw, R J, van Kotze, T J W

“…The purpose was to evaluate the effect of various Opalescence tooth-whitening products on enamel. Enamel blocks were exposed to Opalescence PF 10% Carbamide…”
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Patterns of tooth surface loss among winemakers by Chikte, U M E, Naidoo, S, Kolze, T J v W, Grobler, S R

“…There are a few documented case studies on the adverse effect of wine on both dental hard and soft tissues. Professional wine tasting could present some degree…”
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Cytotoxicity of a dentine bonding agent on four different cell-lines by Moodley, D, Grobler, S R, Olivler, A

“…The aim of this study was to compare the cytotoxicity of a recently available dentine bonding agent on four different cell-lines (three human dental pulp…”
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A comparison of microleakages of five different recent bonding agents/systems in enamel and dentine by Rossouw, R J, Grobler, S R, Theunis, J, Kotze, W

“…This study compared the microleakages in enamel and dentine of newly developed bonding systems from different manufacturers. Fifteen or more extracted…”
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The effects of the composition and method of drinking of soft drinks on plaque pH by Grobler, S R, Jenkins, G N, Kotze, D

“…Plaque pH values of ten adults were monitored by the harvesting method while they drank six different soft drinks, in three different ways. It was found that…”
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A comparison of fluoride release from various dental materials by Grobler, S.R., Rossouw, R.J., Van Wyk Kotze, T.J.

“…Objective: The aim of this study was to determine, in vitro, the relative short- and long-term fluoride release from four resin-modified glass ionomers (Fuji…”
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The relation between lead concentrations in human dental tissues and in blood by Grobler, S.R, Theunissen, F.S, Kotze, T.J.v.W

“…The purpose of this study was: (1) to measure the lead concentrations in various parts of the teeth (enamel, dentine and circumpulpal dentine) and in blood…”
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