cone beam international magazine of cone beam dentistry

22 I I industry report _ CBCT diagnostic potential _coPeriodontiX(DentalWingsInc.)isthesoftware toofferthe3-Devaluationofperiodontalbonestatus using cross-sectional CBCT image data. The aim is themeasurementofboneprogressionpriorto,during, andaftertreatment,aswellasmonitoringtomeasure the effectiveness of regenerative treatment. X-ray images have always proven a valuable tool in perio- dontal diagnostics.1, 2 Usually 2-D imaging processes, such as bitewing images, intra-oral images of single teeth, or panoramic tomograms, are used for this purpose.Alltheseprocessesareabletoprovideimpor- tantdiagnosticpointers,butnoneofthemarewithout fundamental limitations,3 even at a high quality. It is against this background that cone-beam computed tomography(CBCT)hasgainedincreasingimportance over the past few years and is now firmly entrenched incertainareasofmoderndentistry.4,5Intoday’sperio- dontology,CBCTallowsforpreciseanswerstoanum- ber of diagnostic issues relating to structural bone changes in the dentoalveolar area.12 High-resolution and overlap-free imaging of teeth and bone struc- tures, as well as their pathological deterioration, play amajorroleindiagnostics.6,8–10 _Principle of radiological bone measurement As there have been no satisfactory software-based solutions existed to date for standardized use in the parodontological evaluation of cross-sectional data (obtained using CBCT or CT), software was developed in collaboration with Straumann under the name of coPeriodontiXandisnowpresentedforthefirsttimein its current version 9.0 (Dental Wings Inc.). The principle of standardised evaluation follows the X-ray six-point measuringprincipleinanalogytoclinicalassessment.By positioningadigital3-Dcoordinatesystemcentrallyon the tooth to be measured, the software automatically generates transverse cross-sections of the tooth (Figs. 1a&b).Usingsettable,definedlandmarks,thedistance cone beam1_2014 coPeriodontiX: Three-dimensional evaluation of circumferential periodontal bone level using cross-sectional CBCT data Authors_Drs Jonathan Fleiner, Andres Stricker & Dirk Schulze, Germany Fig. 1a Fig. 1b Fig. 2a Fig. 2b CBE0114_22-24_Fleiner 03.02.14 11:53 Seite 1