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cone beam international magazine of cone beam dentistry

24 I I industry report _ CBCT diagnostic potential beingclinicallyacceptable.6,19,21 Regardingthereliability of radiological measurements, initial study results22 showedanoverallmeasuringimprecisionoftwotothree timesthevoxelsize,regardlessofthepriorknowledgeof dentalradiologyoftheusersinvolved.Dependingonthe numberofroots,measuringaccuraciesofbetween0.26 and0.34mmhavebeenrecordedforsingle-rootedteeth, and between 0.27 and 0.55 mm for multiple-rooted teeth.Theeffectoftheindividualuserdidnotprovetobe significant.Inprinciple,thesevaluespermittheconclu- sion that a basic accuracy at this level, compared with measuring imprecision during clinical diagnosis of the patient,canwellbeconsideredconsistentandregarded asbeingacceptablefromaclinicalpointofview. _Conclusion Especially for complex issues, the use of CBCT can beviewedasavaluablediagnostictoolinmodernperio- dontologyapplyingtheALARAprinciple.Theundistorted and non-overlapping 3-D imaging of the tooth-sup- porting alveolar ridge by methods such as CBCT has significant potential in periodontal diagnostics—under the precondition of robust scientific evidence. In this context, the coPeriodontiX software described in this article is the first to offer support to users in the detec- tion of dental, periodontal, and ossary deterioration, particularly in highly complex cases, and coPeriodontiX may be an interesting option for surgical restoration. Finally, it should be mentioned explicitly that the soft- ware described in this article does not replace clinical diagnosis, but should rather be viewed as a useful ra- diological means of support. This includes the option of portraying the soft tissue of the intra-oral gingival profile using surface scan data obtained with iTero for example (Align Technology; Fig. 5). A number of further clinical studies are being conducted using numerous diagnosticparameterstoexaminethetechnicalfeatures of current CBCT systems (e.g. image resolution, image quality, creation of artefacts) and to exploit the diag- nostic potential of CBCT fully, especially for its use in periodontaldiagnostics._ Editorial note: A complete list of references is available fromthepublisher. cone beam1_2014 Dr Jonathan Fleiner worked in the Division of Oral and Maxillofacial Surgery at the University Medical Center Freiburg of the University of Freiburg in Germany from 2007 until 2009.Between 2007 and 2008,he completed his postgraduate education in implantology through the GermanAssociation of Oral Implantology (DGI) and theAcademy for Practice and Science (APW). In 2008,he opened the Dental Diagnostic Center (DDZ) inWeil am Rhein,Germany,which focuses on dental CBCT.Since 2008,he has been a regular speaker at national and international events,as well as a reviewer of international scientific journals in the fields of dental radiological diagnostics,CBCT and 3-D template-guided implant treatment (guided surgery).He has worked at the Center for Implantology,Periodontology and 3-D Diagnostics in Constance,Germany,since 2010. Dr Andres Stricker has a PhD in Dentistry (1997) and in Medicine (2002).Since 2003, he has run a referral practice with a focus on implantology and periodontology in Constance,Germany,and has been a lecturer and scientific staff member at the University Medical Center Freiburg.He has been a lecturer at the Danube University Krems inAustria since 2004.He was a member of numerous research terms in the US between 1998 and 2001.He opened his practice, the Center for Implantology,Periodontology and 3-D Diagnostics,in Constance in 2010.He has writtenmanypublicationsonvarioustopics,including augmentationmethods,distraction,immediateloading, tissueengineering,soft-tissuemanagement,andstem cell regeneration.He is an international and national speaker,and holds various licences and patents. Dr Dirk Schulze was,until 2009,HeadofX-raydepartment at the clinic and polyclinic for oral,maxillofacial and facial surgery at theAlbert Ludwig UniversityinFreiburg/Breisgau (Germany).He has run his own practice in Freiburg/Breisgau since 2010.He has written numerous scientific publications and serves as a reviewer.He has been the Secretary of the EuropeanAcademy of DentoMaxilloFacial Radiology since 2010. cone beam_about the authors Fig. 5 CBE0114_22-24_Fleiner 03.02.14 11:53 Seite 3