Browsing Research Publications by Author "van Wyk Kotze, Theuns"
Now showing items 1-7 of 7
-
A clinical study of the effectiveness of two different 10% carbamide peroxide bleaching products: a 6-month followup
Grobler, Sias Renier; Majeed, Abdul; Hayward, Roche; Rossouw, Roelof; Moola, Mohamad H.; van Wyk Kotze, Theuns (Hindawi Publishing Corporation, 2011)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 follow-up period. Methods. Two 10% carbamide peroxide products ... -
Effect of four different Opalescence tooth-whitening products on enamel microhardness
Majeed, Abdul; Grobler, Sias Renier; Moola, Mohamad H.; Rossouw, Roelof; van Wyk Kotze, Theuns (South African Dental Association, 2008)OBJECTIVES: The purpose was to evaluate the effect of various Opalescence tooth-whitening products on enamel. METHODS AND MATERIALS: Enamel blocks were exposed to Opalescence PF 10% Carbamide Peroxide (n = 10), Opalescence ... -
Guidelines for the selection of tooth whitening products amongst those available on the market
Basson, Reneda; Grobler, Sias Renier; van Wyk Kotze, Theuns; Osman, Yusuf Ismail (South African Dental Association, 2013)Background: Several tooth whiteners are available on the market, and the ideal choice should be determined by ef ficacy and optimal clinical results. Objectives: The purpose of this study was to compare the reported ... -
In vivo spectrophotometric assessment of the tooth whitening effectiveness of Nite White 10% with amorphous calcium phosphate, potassium nitrate and fluoride, over a 6-month period
Grobler, Sias Renier; Majeed, Abdul; Moola, Mohamad H.; Rossouw, Roelof; van Wyk Kotze, Theuns (Bentham Science Publishers, 2011)To clinically evaluate the effectiveness of Nite White 10% carbamide peroxide with amorphous calcium phosphate, potassium nitrate and fluoride over a 6-month follow-up period. Nite White was applied nightly for 14 days, ... -
The relationships between two different drinking water fluoride levels, dental fluorosis and bone mineral density of children
Grobler, Sias Renier; Louw, Adrian; Chikte, Usuf; Rossouw, Roelof; van Wyk Kotze, Theuns (Bentham Science Publishers, 2009)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, dietary habits and similar ethnic and socioeconomic status. ... -
The significance of sub-threshold symptoms of anxiety in the aetiology of bruxism
Basson, Reneda; Mwaba, Kelvin; Rossouw, Roelof; Geerts, Greta; van Wyk Kotze, Theuns; Stuhlinger, Martin E. (South African Journal of Psychology, 2010)Bruxism is an oral parafunctional habit involving clenching and grinding of the teeth. It occurs mainly unconsciously, diurnally and/or nocturnally. It is considered an important contributory factor in the aetiology of ... -
Spectrophotometric assessment of the effectiveness of Opalescence PF 10%: a 14-month clinical study
Grobler, Sias Renier; Hayward, Roche; Wiese, S; Moola, Mohamad H.; van Wyk Kotze, Theuns (Elsevier, 2010)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: Opalescence PF 10% was applied nightly for 14 days. The color of ...