Browsing Prosthodontics by Title

Browsing Prosthodontics by Title

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  • The effect of glass fiber polysulphone composite reinforcement on flexural strength of two denture-base polymers 
    Henning, Martha Carolina (University of Pretoria, 2005-10-03)
    Statement of the Problem: Despite its popularity as a denture-base material, poly-methyl methacrylate exhibits inherently low resistance to impact and fatigue failure. This is reflected in the analyses of the prevalence ...
  • The effects of hydrochloric acid on all-ceramic restorative materials : an in-vitro study 
    Harryparsad, Ashana; Dullabh, Hemant D.; Sykes, Leanne M.; Herbst, Dirk (South African Dental Association, 2014-04)
    OBJECTIVES: The aim of this in-vitro study was to assess the long-term effects of hydrochloric acid on the surface roughness of three all-ceramic restorative materials CEREC VITABLOC® Mark II CAD, IPS Empress CAD® and IPS ...
  • The effects of the refugee crisis on age estimation analysis over the past 10 years : a 16-country survey 
    Sykes, Leanne M.; Bhayat, Ahmed; Bernitz, Herman (MDPI Publishing, 2017-06-13)
    Dental age estimation (AE) tests are routinely done on living and deceased persons. There is anecdotal evidence suggesting an increase in age estimations due to the refugee crisis. Our aim is to determine the reasons and ...
  • Embracing the ageing patient 
    Sykes, Leanne M.; Lowe, L.G.; Shackleton, J.L.; Evans, William G. (South African Dental Association, 2018-04)
    “Every flower is a soul blossoming in nature, and everyone is a rose, but even more complex than a mere flower. Everyone is made up of infinitely layered petals, and everyone has something indescribably precious at ...
  • Ethical dilemmas when dealing with doctor Google and the importance of patient education 
    Sykes, Leanne M.; Crafford, Jan Ernst; Bradfield, Charles F.; Johnson, Chalita (South African Dental Association, 2019-11)
    A 55 year old female patient presented for dental treatment. Her attending clinician immediately noted that since her first visit some days previously she had shaved her head, revealing a severe rash on her right forehead ...
  • The ethics of research : Part 4 : Safeguarding the scientist, protecting the participants 
    Sykes, Leanne M.; Brandt, Paul Dieter; Evans, Bill (South African Dental Association, 2016-10)
    Traditionally, medicine has been governed by the principle of Primum non nocere - “first do no harm”, which implies both doing good and avoiding doing harm. However, in medical research, this approach is far too simplistic. ...
  • Evaluation of surface characteristics of titanium and cobalt chromium implant abutment materials 
    Herbst, Dirk; Dullabh, Hemant D.; Sykes, Leanne M.; Vorster, C. (South African Dental Association, 2013-09)
    INTRODUCTION: Micro-organism adhesion and plaque formation is affected by surface free energy (SFE), surface roughness, hydrophilicity, surface chemistry, surface charge and the presence of proteins. AIMS: The aim of ...
  • Evaluation of tooth shade in a selected sample of patients visiting the oral and dental hospital 
    Amari, Asma Mohamed Z. (University of Pretoria, 2015)
    Background: Aesthetics is an important aspect of modern day dentistry. Shade selection is one of the primary determinations for achieving good aesthetics in restorative dentistry. Shade selection has three parameters, ...
  • Fragmentary tooth root development : biological and forensic dental implications 
    Nel, Sulette; Davidson, Christy Lana; Uys, Andre; Sykes, Leanne M.; Bernitz, Herman (South African Dental Association, 2017-11)
    Recent findings indicate that there could be continued root development after the successful surgical removal of an impacted tooth. The paper provides a brief review of normal root development, emphasizing the chain ...
  • Fraudulent records - grave forensic consequences 
    Sykes, Leanne M.; Robinson, Liam; Bernitz, Herman (South African Dental Association, 2020-06)
    Natural disasters, fatal accidents, and violent criminal offences are part of everyday life. All of these may result in fatalities that shatter the lives of the victim’s families and friends. Their trauma is compounded ...
  • From pandemic, to panic to ‘pendemic’ 
    Sykes, Leanne M.; Crafford, Elmine; Bradfield, Charles F. (South African Dental Association, 2020-04)
    Medical doctors and dentists working in private practice are generally faced with the situation of “no work, no pay”. Although most have some form of indemnity cover to ensure they will receive and income if they are ...
  • Immediate implant placement and provisionalization following tumor-resective surgery in the midfacial region : a case series 
    Fernandes, N.A. (Nelson Alexander); Van den Heever, Jacobus; Sykes, Leanne M. (Wiley, 2018-06)
    Surgical and prosthodontic restoration of the midfacial region following tumor resection has always posed a considerable challenge, as this area serves crucial functional and esthetic roles. Being diagnosed and subsequently ...
  • Implant retained nasal prosthesis for a child with congenital arhinia - a case report 
    Goossens, I.C.; Kemp, P.L.; Bredell, M.G.; Sykes, Leanne M. (South African Dental Association, 2008-08)
    No abstract available
  • "In my hands” : Part 9 : The case for case reports 
    Sykes, Leanne M.; Evans, William G.; Harryparsad, Ashana; Gani, Fatima; Vally, Zunaid Ismail (South African Dental Association, 2017-05)
    Evidence based practice (EBP) was developed to assess available scientific evidence and rank it according to the rigour, strength and precision of the research. It aims to provide guidance for clinicians on which to ...
  • “In my mouth” : Part 11 : Ethical concerns regarding dental over-treatment and under-treatment 
    Sykes, Leanne M.; Evans, William G.; Gani, Fatima (South African Dental Association, 2017-07)
    Dental practitioners have been accused of over-treating, failing to treat, or delaying treatment. However, deciding precisely on what constitutes each is not easy or clear cut, and it is often hard to draw a distinct ...
  • In vitro comparison of the compressive strengths of seven different provisional crown materials 
    Vally, Zunaid Ismail; Sykes, Leanne M.; Aspeling, M.E.; Van De Merwe, J.; Ballyram, R. (South African Dental Association, 2013-03)
    Provisional crowns may be used for many weeks during healing of soft tissues, while other dental procedures are being performed and whilst the permanent restorations are being fabricated. The provisional occlusion they ...
  • Is it better to be good or to do good? 
    Sykes, Leanne M.; Babiolakis, George Paul; Evans, William G. (South African Dental Association, 2021-05)
    People have contemplated what it entails to be good and to do good. Philosophers propose that being good is an idea about yourself or others, while doing good is an action, towards yourself or others. Other theorists ...
  • Is “failure to treat” a treatment failure? 
    Sykes, Leanne M.; Jagathpal, Avish J.; Bradfield, Charles F.; Cronje, Michael (South African Dental Association, 2021-10)
    Over-servicing in dentistry has been widely reported on and censured due to the potential physical, social and financial harms it can cause a patient. In contrast, under-treatment is less often noticed or raised as a ...
  • The longevity of restorations - a literature review 
    Fernandes, N.A. (Nelson Alexander); Vally, Zunaid Ismail; Sykes, Leanne M. (South African Dental Association, 2015-10)
    Dentists need to consider various factors when choosing restorative materials, with the longevity of restorations being one of the most important criteria. Replacement of failed restorations constitutes over 60% of ...
  • Looking beyond the physical management of patients with head and neck cancer 
    Sykes, Leanne M.; Ntseke, Tshegofatso V.; Nethononda, Portia (South African Dental Association, 2021-07)
    Cancers of the head and neck region often leave patients with conspicuous defects, as well as limitations in physical and psycho-social functions. Rehabilitation is challenging and can never fully restore the anatomical, ...