Giuseppe Cannavina | The University of Sheffield (original) (raw)

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Papers by Giuseppe Cannavina

Brazilian Dental Journal, 2010

Investigation of the effectiveness of surface treatments that promote a strong bond strength of r... more Investigation of the effectiveness of surface treatments that promote a strong bond strength of resin cements to metals can contribute significantly to the longevity of metal-ceramic restorations. This study evaluated the effect of surface treatments on the shear bond strength (SBS) of a resin cement to commercially pure titanium (CP Ti). Ninety cast CP Ti discs were divided into 3 groups (n=30), which received one of the following airborne-particle abrasion conditions: (1) 50 ?m Al2O3 particles; (2) 30 ?m silica-modified Al2O3 particles (Cojet Sand); (3) 110 ?m silica-modified Al2O3 particles (Rocatec). For each airborne-particle abrasion condition, the following post-airborne-particle abrasion treatments were used (n=10): (1) none; (2) adhesive Adper Single Bond 2; (3) silane RelyX Ceramic Primer. RelyX ARC resin cement was bonded to CP Ti surfaces. All specimens were thermally cycled before being tested in shear mode. Failure mode was determined. The best association was Rocatec ...

Health Informatics Journal, 2004

The health professions are increasing the placement of students within working environments in ot... more The health professions are increasing the placement of students within working environments in other institutions and the community. The aim of this study was to assess the readiness for online and web-based learning of future health professionals at the University of Sheffield prior to the establishment of a national web-based Inter-professional Learning Network (WILeN). A link to a short survey was distributed to the Medical Faculty at Sheffield and 191 valid responses were received. Only 62 per cent of students had access to an Internet-connected computer at home. Most students (95.8%) checked their e-mail every few days or more, with slightly less (82.8%) using the web frequently. Relevant technologies were often never used, including internet relay chat, message forums and video conferencing. However, 66 per cent of students had used computer aided learning packages. Future use of online continuing professional education material is likely to be limited.

Journal of Dental Education, 2008

This article reports the results of a follow-up study conducted to investigate students' perc... more This article reports the results of a follow-up study conducted to investigate students' perceptions about a blended learning health informatics course that combined online and traditional classroom instruction. The course is taught to five different groups of students at the School of Clinical Dentistry of the University of Sheffield each academic year: first-, third-, and fourth-year dental students, dental hygiene and therapy students, and postgraduate dental students. The goal of the study was to determine the impact of the modifications made to the course after the first year of implementation. To accomplish this goal, students' perceptions of this blended learning course were compared after the first and second implementations. The methodology used for this study was action research. The data were collected using three processes: questionnaires were used to collect contextual data from the students taking the course; a student-led, nominal group technique was used to c...

Journal of Dental Education, 2007

The purpose of this study was to present and evaluate a blended-learning course developed for und... more The purpose of this study was to present and evaluate a blended-learning course developed for undergraduate (B.D.S.), postgraduate, and diploma (hygiene and therapy) students at the University of Sheffield School of Clinical Dentistry. Blended learning is the integration of classroom face-to-face learning with online learning. The overall methodology used for this study was action research. The data were collected using three processes: questionnaires to collect contextual data from the students taking the course; a student-led, nominal group technique to collect group data from the participants; and a non-participant observer technique to record the context in which certain group and individual behaviors occurred. The online component of the course was accepted as a valuable resource by 65 percent of those responding. While online information-sharing occurred (31 percent of the students posted in forums), there was no evidence of online collaboration, with only 8 percent replying t...

The European journal of prosthodontics and restorative dentistry, 2000

The retention of facial prostheses is a major factor influencing the successful outcome of rehabi... more The retention of facial prostheses is a major factor influencing the successful outcome of rehabilitative treatment following ablative cancer surgery or trauma and for the prosthetic replacement of congenitally absent tissue. Since the sixteenth century to the present day, facial prosthetic devices have been retained by methods including adhesives and spectacle frames. The introduction of the Branemark extra oral implant system enhanced the stability of life-like prostheses thus giving patients more confidence in their use. This paper outlines the retention systems commonly used at the authors unit and the benefits gained by the use of implants to retain facial prostheses. The use of a single stage surgical technique instead of the usual two stage procedure is detailed.

The European journal of prosthodontics and restorative dentistry, 1998

Provision of education is constantly under review, with regular changes to address new needs. In ... more Provision of education is constantly under review, with regular changes to address new needs. In addition, demands that cannot be met from within initial training courses have spawned a plethora of educational courses to update knowledge and develop new skills--in effect promoting lifelong education. The aim of this paper is i) to define and explain commonly used educational terms relevant to the understanding of lifelong education, ii) to make a distinction between lifelong education and continued education, and iii) to offer a rationale for the increasing importance of lifelong education for the dental profession.

Work Based Learning in …, 2004

... own speed. Unfortunately, this approach has probably contributed to the 'computergeek&#x... more ... own speed. Unfortunately, this approach has probably contributed to the 'computergeek' syndrome; that of persons who fre-quently use computers being perceived as being isolated and lacking social skills. However, in the ...

European Journal of Dental Education, 2000

The aim of this study was to identify the level of shared learning on a Bachelor of Medical Scien... more The aim of this study was to identify the level of shared learning on a Bachelor of Medical Science in Dental Technology (BMedSci) course at the University of Sheffield, School of Clinical Dentistry. A summative evaluation of the course was carried out, using semi-structured nominal group interviews. BMedSci students, BDS students and recent graduates were questioned and their answers analysed to identify shared learning activities. The results revealed that different levels of shared learning opportunities occurred within the different departments which delivered the course modules. Shared learning was viewed favourably by the students. It has the potential to maximise the use of resources and offers the opportunity for developing an integrated dental team.

European Journal of Dental Education, 2004

ABSTRACT A study to assess the state of readiness of students for the implementation of new e-tec... more ABSTRACT A study to assess the state of readiness of students for the implementation of new e-technologies into the learning environment formed the first phase of the FDTL4-funded WILeN Project. The project will collaborate with institutions across the UK to develop a Web-Based Interprofessional Learning Network.Current learning theories place the emphasis on student–teacher and student–student interaction. However, previous research and development on e-learning has focused on the interaction of the students with the learning material.The aim of the study was to evaluate the state of students’ readiness for e-learning and their ability to participate in online discussions, contribute to message forums and interact via video-conferencing.The study was undertaken in two phases. A survey, conducted electronically, was designed to find a ’base level’ of student IT skills that could be used to design the next-generation of interactive and inter-professional e-learning materials, and students produced denture designs via video-conferencing seminars.In result, 191 valid responses were received reporting that most students (95.8%) check their e-mail every few days or more, with slightly less (82.8%) using the web frequently. There was a low incidence of students having used technologies recognized as providing the basis for future online learning environments: Internet Relay Chat (37.7%), Message Forums (49.7%) and Video-conferencing (5.8%). The data revealed that the students generally lacked experience of the new interactive technologies. However, the successful video-conferencing seminars demonstrated that the students had a willingness and capability to learn new skills.In conclusion, there is a lack of educational readiness for new interactive learning media, but the students have the transferable skills and enthusiasm to enable their use in future learning scenarios.

British Dental Journal, 2000

Recent high profile cases like Wisheart (Bristol babies) has placed healthcare professional auton... more Recent high profile cases like Wisheart (Bristol babies) has placed healthcare professional autonomy under both ethical and legal scrutiny, reflected by the growing number of civil cases brought by the public. The aim of this paper is to investigate the effect of evidence-based treatment on the legal requirements of consent, when the treatment transcends the therapeutic boundary. The potential effect on the autonomy of healthcare professionals is also discussed. The study revealed that although consent remains the cornerstone of defence in many areas of therapeutic treatment, it is open to significant legal challenge in the grey area between therapeutic evidence-based treatment and non-evidenced-based procedures. Consent remains the cornerstone of defence for therapeutic procedures. However, it is less certain with innovative treatment or procedures that transcend the therapeutic boundaries and are shown to be non-evidence-based.