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Modern Dental Diagnostic Radiography: Facts and Myths ALBANY

November 8 @ 8:45 am - 4:00 pm

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Part 1: X-ray Machines and Digital Image Detectors
How X-ray machines work and the differences between an intraoral X-ray machine and a medical CT. Digital image detectors: phosphor storage plates and solid state sensors – advantages and disadvantages.
Part 2: Radiation Doses and Radiation Protection
Absorbed, equivalent and effective radiation doses and how they have to be interpreted and put into perspective to annual natural background radiation. Examples of different diagnostic radiographic examinations used to illustrate the magnitude of dental and medical radiography (2D and 3D) doses. Useful when dentists receive legitimate questions about radiation and doses, and in particular if children are subjected to ionizing radiation. Radiation protection measures such as thyroid gland collars, discussed.
Part 3: Radiographic Techniques for Dentistry
Different techniques that can be used and modified to obtain the best image quality possible for each circumstance and patient. Indications and contra-indications, advantages and disadvantages. Principles of ultrasonography and magnetic resonance imaging (MRI) explained and compared to the ionizing radiation techniques, with regard to use and application fields. Learn when to refer a patient and for which technique to obtain the best diagnostic image and information.
Part 4: Interactive Radiographic Diagnosis Session
Normal anatomy, aberrant anatomy, incidental findings and pathology discussed using clinical examples. Intraoral radiographs, panoramic radiographs, CBCT etc will be used. Interaction with colleagues in the audience. Identification of anatomy and pathology is a crucial step in the diagnosis process. A myriad of radiographs will be presented spread out over different patient age groups, for exposure to a wide range of diagnoses.
Learning Outcomes / Course Objectives:
At the end of the lecture day, the attendees should be able to:

Explain and understand the differences between a dental and medical X-ray machine.

Put radiation doses from diagnostic imaging into perspective and to use the right measures regarding radiation protection.

Select the correct imaging technique for specific clinical situations and understand its limitations and indications.

Recognise aberrant anatomy, artefacts and pathology on different types of radiographs used in dentistry.



November 8
8:45 am - 4:00 pm


Albany Entertainment Centre
2 Toll Place
Albany, WA 6330 Australia
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Associate Professor Johan Aps
About Presenter
Associate Professor Johan Aps completed his dental degree (1993), his certificate in Paediatric Dentistry (1997) and his PhD (2002), from the Ghent University in Belgium. His PhD research was on cystic fibrosis which made him interested in imaging salivary glands. That lead to him pursuing dental and maxillofacial radiology. In 2008 he obtained a master’s degree in Dental and Maxillofacial Radiology at the University of London, in Great Britain. Johan has previously worked in Belgium both as private practitioner (1993-2004) and as an academic (Ghent University, 1993 - 2012). In July 2012 he moved to the USA, where he worked as Associate Clinical Professor at the University of Washington. In January 2018 he moved to Perth and is currently employed as Associate Professor, Discipline Lead for DMFR and Divisional Head of Oral Diagnostic and Surgical Sciences at the University of Western Australia, Dental School. He has published several peer reviewed papers, book chapters and has presented his research at international scientific meetings. He is frequently asked abroad to give lectures on radiology and local anaesthesia. He is also associate-editor of the official IADMFR journal. His research interests are anatomy, diagnostics, radiology and intraosseous anaesthesia.