Cast framework for osseointegrated implant retained prostheses need to be passively fitting so as not to place undue forces and stress concentrations around the fixtures. Impression materials and techniques play a key role ...
Patients often ask oral health care practitioners to recommend
the “best” mouthwash for their specific needs and
desires. Considering the vast array of products available,
the number of television, radio and printed ...
If you have read this far – then you are ready to Research! So where, and how do you start? This paper is intended to guide and to stimulate novice researchers to take the plunge and delve into the exciting world of research ...
Brittleness and low strength render conventional ceramic
systems unsuitable for routine restorative use in molars.
Modern, high-strength ceramic core materials such as
high purity aluminum oxide (Al2O3) ...
The introduction of dental implants spawned an exponential
growth in the number of fixtures being placed to meet the
increasing functional and aesthetic demands of patients.
In response, manufacturers have flooded the ...
This in vitro investigation compared the effect of using either
gold or titanium retaining screws on preload in the dental implant-
abutment complex. Inadequate preload can result in
screw loosening, whilst fracture may ...
Sykes, Leanne M.; Doolabh, Rajesh(South African Dental Association, 2018-09)
Children with inherited dental anomalies have many
complex problems that may interfere with their physical,
mental and psychological well-being.1,2 The anomalies
generally present early in life as isolated conditions, ...
Endodontic treatments are frequently carried out in daily
clinical practice. The presence or absence of a periapical
radiolucency, assessed using intraoral radiographs, is one
of the criteria used to determine endodontic ...
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 ...
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 ...
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 ...
Sykes, Leanne M.; Crafford, Jan Ernst; Bradfield, C.; Johnson, C.(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
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. ...
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 ...
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 ...
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 ...
Sykes, Leanne M.; Evans, William G.; Harryparsad, Ashana; Gani, Fatima; Vally, Z.I. (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 ...
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 ...
Vally, Z.I. (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 ...