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Now showing items 211-220 of 230
Living on what others throw away: an exploration of a socio-economic circumstances of people collecting and selling recyclable waste
(Unisa Press, 2011)
Street waste pickers are becoming a common sight on the streets of South Africa’s cities and
suburbs. Little research has been done on this social phenomenon. The aim of this article is to
explore some of the socioeconomic ...
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
(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, ...
Making the most of teaching at the chairside
(Wiley, 2011)
This paper examines the chairside as an opportunity for teaching and learning. It sets out to understand how students learn in the dental clinic so that they can better be supported in their clinical learning. The paper ...
Time series photometry of the nearby brown dwarf DENIS-P J0041353-562112
(Oxford University Press, 2011)
DENIS-P J0041353−562112 is a brown dwarf, with a spectral type of M7.5, which may be
younger than 20 Myr. On the basis of its Hα emission-line asymmetry, it has been suggested
that the object is accreting material. If ...
UBV(RI)C photometry of transiting planet hosting stars
(Oxford University Press, 2011)
We present new UBV(RI)C photometry of 22 stars that host transiting planets, 19 of which
were discovered by the Wide Angle Search for Planets (WASP) survey. We use these data
together with Two Micron All Sky Survey (2MASS) ...
The pH of various tooth whitening products on the South African market
(South African Dental Association, 2011)
OBJECTIVES: The purpose of this in vitro study was to investigate the pH of 21 commercially available tooth-whitening products.
METHODS:
Tooth-whitening products were divided into four categories: dentist supervised-home ...
Temperature changes along a dental implant
(Quintessence Publishing, 2011)
AIMS: The aims of this in vitro study were to analyse temperature changes along the surface of a dental implant and to establish the abutment temperature that could cause the critical 47ºC/1min threshold at implant level. ...
Deaf telephony: community-based co-design (case study)
(Wiley, 2011)
The process of community-based co-design is one that explores various solution configurations in a multi-dimensional design space whose axes are the different dimensions of requirements and the various dimensions of designer ...
Fracture resistance of endodontically treated premolars with fibre-reinforced composite restorations.
(Dennis Barber Ltd, 2011-03)
This study investigated the fracture resistance and failure mode of endodontically treated premolars
restored with a glass fibre-reinforced composite resin. Endodontically treated maxillary premolars were divided in 4 ...
An investigation into the use of emerging technologies to transform teaching and learning across differently positioned higher education institutions in south africa2
(University of the Western Cape, 2011)
This paper reports on a project which was initiated in 2011 and which aims to learn more about emerging technologies in higher education in South Africa and their potential impact on enhancing learning in an inequitable ...