Browsing Research Publications by Author "Mulder, Riaan"
Now showing items 1-19 of 19
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Adapting an undergraduate dental objectively structured clinical examination (OSCE) during COVID‑19
Maart, Ronel; Ahmed, Rukshana; Mulder, Riaan (Health and Medical Publishing Group, 2021)In the 5-year dentistry curriculum at the University of the Western Cape, South Africa (SA), prosthetic dentistry is presented as modules, starting in the 2nd year and culminating in the final module in the 5th year. Students ... -
Bio-active restorative materials as alternative pit and fissure sealants in pediatric and preventative dentistry: In vitro investigation
Perchyonok, Tamara; Mulder, Riaan (MedCrave, 2017)BACKGROUND: It has been more than 40 years since the pit and fissure sealants were first used clinically. During this time, pit and fissure sealants have been shown to be effective in reducing the risk of occlusal caries. AIM: ... -
A call for action to safely deliver oral health care during and post COVID-19 pandemic
Mulder, Riaan; Farronato, Marco; Tadakamadla, Santosh Kumar (MPDI, 2020)The severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) outbreak started just a couple of months ago and it grew rapidly causing several deaths and morbidities. The mechanism behind the transmission of the virus ... -
Cavity preparation using hard tissue lasers in operative dentistry
Karic, Vesna; Mulder, Riaan; Melman, Geoffrey (South African Dental Association, 2017)A laser is a device that delivers coherent, monochromatic and collimated light as a form of energy. Most dental laser devices emit invisible light in the infrared portion of the electromagnetic spectrum. On May 7, 1997, ... -
A comparative study to determine the shock absorption ability of two popular mouth guards available on the South African market
Mohamed, Nadia; Grobler, Sias Renier; Basson, N. J.; Osman, Yusuf Ismail; Mulder, Riaan (Electronic Doctor (E-Doc) Publishers & SADA, 2017)It is expected that most mouth guards will provide some level of protection to teeth. In this study a device was developed to measure the relative impact absorption of two different mouth guards (Proform, Type III ... -
comparison of aerosolized hydrogen peroxide fogging with a conventional disinfection product for a dental surgery
Sher, Marc; Mulder, Riaan (PMID, 2020)The study aimed to determine the efficacy of adding a 12% hydrogen peroxide dry hydrogen peroxide vapor fogger system as an additional layer of infection control in a dental surgery. -
COVID-19 in dentistry - Ethical considerations
Maart, Ronel; Mulder, Riaan; Saadika, Khan (South African Dental Journal, 2020)The reach of Coronavirus Disease - 2019 (COVID-19) has even reached the ethical guidelines for good practice from the Health Professions Council of South Africa (HPCSA).1 The health care worker should carefully consider ... -
COVID-19: The invisible risk to oral healthcare workers in dentistry
Mulder, Riaan (José Frantz, 2021)Oral healthcare workers (OHCW) include any professional who can work in a dental practice setting, for example dentists, dental hygienists, dental therapists, dental assistants and denturists. Dentistry, as a profession, ... -
In vivo study of aerosol droplets and splatter reduction in dentistry
Noordien, N.; Mulder-Van Staden, Sune; Mulder, Riaan (MDPI, 2021)Oral healthcare workers (OHCW) are exposed to pathogenic microorganisms during dental aerosol-generating procedures. Technologies aimed at the reduction of aerosol droplets and splatter are essential. This in vivo study ... -
Lasers in paediatric dentistry
Mulder, Riaan; Karic, Vesna; Melman, Geoffrey (South African Dental Association, 2016)Many clinicians will be faced with the un-cooperative paediatric patient presenting at their practices with a “fear of the unknown”. Establishing trust with these patients is essential in order to achieve a productive ... -
Lasers in periodontics
Melman, Geoffrey; Karic, Vesna; Mulder, Riaan (Electronic Doctor (E-Doc) Publishers & SADA, 2017)Ablation has been described as the expansive vaporisation of tissue. In periodontal procedures the ablation capacity of the laser can be used for excision and incision of pathology. The Erbium doped lasers can be used ... -
Neutral sodium fluoride gel uptake of newly placed nanodiamond-modified glass ionomers
Mulder, Riaan; Mohamed, Nadia; Frazenburg, Madelaine (Quintessence Publishing, 2020)Three commercial restorative glass-ionomer cements (GICs) were modified with 5% and 10 wt/wt% nanodiamond (ND) particles incorporated into the powder of the GICs. The aim of the study was to assess the percentage of ... -
Participants’ preferred choice of practitioner for orofacial symptoms
Indermun, S.; Isaacs, Q.; Mulder, Riaan (South African Dental Association, 2017)BACKGROUND: Patients seeking treatment from general medical practitioners (GP) may be unaware or ill-informed that dentists are the more appropriate professionals to manage their orofacial symptoms, being able to ... -
A pilot study investigating the presence of voids in bulk fill flowable composites
Mulder, Riaan; Mohamed, Nadia; du Plessis, A.; le Roux, S.G. (South African Dental Association, 2017)OBJECTIVE: To investigate the presence of voids in bulk fill flowable composites. METHODS: This study investigated two well-known bulk-fill flowable composites, Smart Dentin Replacement (SDR) (Dentsply/Caulk, Milford, ... -
A Scoping Review of Respirator Literature and a Survey among Dental Professionals
Mulder, Riaan; Farronato, Marco; Maspero, Cinzia (University of the Western Cape, 2020-08-17)Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) virus was discovered in China in late 2019 and subsequently triggered a global pandemic. Dentists, like many other health professionals, are at an increased ... -
A systematic review on the efficacy of vaporized hydrogen peroxide as a non-contact decontamination system for pathogens associated with the dental environment, 18(9), 4748. 10.3390/ijerph18094748
Ahmed, Rukshana; Mulder, Riaan (MPDI, 2021)Aerosol generation and a wide range of pathogens originating from the oral cavity of the patient contaminate various surfaces of the dental clinic. The aim was to determine the efficacy of vaporized hydrogen peroxide ... -
The use of laser-based technologies in dentistry: Ethical issues and safety considerations
Naidoo, Sudeshni; Mulder, Riaan (South African Dental Association, 2015)The use of laser-based technologies in general dental practice in South Africa is growing each year both in numbers and in scope of use. It has been shown to be beneficial in treating a wide range of oral and ... -
Variation in the dispersions of powder liquid ratios in hand-mix glass ionomers
Mulder, Riaan (Bentham Open, 2018)BACKGROUND: The Powder/Liquid Ratio (PLR) influence, and the literature regarding the handling and physical properties of Glass Ionomer restorative materials (GIC) were investigated. OBJECTIVE: The objective of the ...