Program including abstracts as pdf available here

OP 11
Title
DEVELOPMENT OF THE SEDENTEXCT QuALITy CONTROL PHANTOM FOR DENTAL CbCT
Authors
K. TSIKLAKIS 1 , H.C. STAMATAKIS 1 , R. PAuWELS 2 , A. WALKER 3 , R. JACObS 2 , K. HORNER 4
Affiliations
1 University of Athens, Athens, Greece, 2 University of Leuven, Leuven, Beligium, 3 Leeds Test
Objects Ltd, Bouroughbridge, United Kingdom, 4 University of Manchester, Manchester, United
Kingdom
Body
Objectives: The aim of this study was to develop a universal Quality Control (QC) phantom that
is specifically designed for the assessment of dental Cone Beam CT (CBCT) scanners, in terms of
image quality.
Materials and method: Successive prototype phantoms were constructed and tested using
specifically designed software for the evaluation of image quality in three rounds during the
European project SEDENTEXCT. In the third round, results from the prototype phantoms that
were evaluated employing several dental CBCT units were taken into account for the construction
of the definitive phantom. The QC phantom consists of a cylindrical Poly-methylmethacrylate
(PMMA) holder and a number of test inserts for the assessment of different
physical imaging properties of the CBCT technique.
Results: The evaluation of the final SEDENTEXCT QC phantom showed that it is suitable for
dental CBCT image quality analysis. The QC procedures followed for the final phantom evalua
tion were used to inform the writing of the Quality Assurance Procedure Protocol, as part of
the Guidelines on CBCT use in dentistry.
Conclusion: A dedicated QC phantom that is specifically designed for dental CBCT units is an
essential tool for image quality assessment within the Quality Assurance process that ensures
the safe use of the CBCT technique in dentistry.
Keywords
Cone Beam CT, Quality Control, Radiological Phantom
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