1. AHCJYS Radiographs

2. AHCJYS Intra-oral radiographic information Root lengthRoot length Root proximityRoot proximity Root formRoot form Presence or absence of periapical lesionsPresence or absence of periapical lesions Estimate of remaining alveolar bone supportEstimate of remaining alveolar bone support Local etiologic factorsLocal etiologic factors

3. AHCJYS Furcations -- maxillary molars Buccal - may be obscured due to superimpostionBuccal - may be obscured due to superimpostion Mesial and distalMesial and distal –The pointer

4. AHCJYS Mesial and distal furcations

5. AHCJYS Mesial and distal furcations

6. AHCJYS Mesial and distal furcations

7. AHCJYS Not a replacement for an examination!!!

8. AHCJYS Limitations Does not show periodontal pocketsDoes not show periodontal pockets Does not show morphology of the defectsDoes not show morphology of the defects Misses buccal and lingual deformitiesMisses buccal and lingual deformities Does not distinguish between treated and untreated caseDoes not distinguish between treated and untreated case

9. AHCJYS Treatment status AfterBefore

10. AHCJYS Treatment status AfterBefore

11. AHCJYS Limitations Does not show periodontal pocketsDoes not show periodontal pockets Does not show morphology of the defectsDoes not show morphology of the defects Misses buccal and lingual deformitiesMisses buccal and lingual deformities Does not distinguish between treated and untreated caseDoes not distinguish between treated and untreated case Does not show mobility Does not show mobility Does not show hard and soft tissue relationships Does not show hard and soft tissue relationships

12. AHCJYS Benefits Can show relationship of crestCan show relationship of crest Can help monitor disease progressionCan help monitor disease progression Indicates areas for further examinationIndicates areas for further examination Documents crown - root ratioDocuments crown - root ratio Evaluation of deposits and marginsEvaluation of deposits and margins

13. AHCJYS Types of surveys Periapical films Bite-wing films – –Horizontal – –Vertical Panoramic filmsPanoramic films CT ScansCT Scans

14. AHCJYS CT Scans

15. AHCJYS CT Scans

16. AHCJYS How Cone Beam CT Works X-ray source Detector ‘Fan’ of X-rays ‘Cone’ of X-rays Detector

17. AHCJYS Effective Dose Comparison  i-CAT 20 second scan:68 uSv Exposure is in “Pulsed” mode, actual exposure time is about 3.5 seconds for a 20 second scan  i-CAT 10 second scan:34 uSv  Daily background:8 uSv  Panoramic (Average): 10-15 uSv Digital Panoramic4.7 – 14.9 uSv Highest Film Pan26 uSv  Full mouth series:150 uSv  Medical CT1200-3300 uSv*kk Dr. Sharon Brooks, Dept. of Radiology, University of Michigan *Dr. Stuart White, Dept. of Radiology, UCLA

18. AHCJYS CT Scans

19. AHCJYS for Implants

20. AHCJYS

21. AHCJYS

22. AHCJYS 3-D Implant Visualization and Planning

23. AHCJYS for Implant 3-D Modeling and Drill Guides

24. AHCJYS for Orthodontics DICOM 3 3 rd party software. Please call for details

25. AHCJYS for Orthodontics DICOM 3 3 rd party software. Please call for details

26. AHCJYS for Orthodontics DICOM 3 3 rd party software. Please call for details

27. AHCJYS What treatment?What treatment? –Osseous surgery –Scaling and root planing –Curettage –Osseous grafting –Root resection surgery

28. AHCJYS What treatmentWhat treatment –Osseous surgery –Scaling and root planing –Curettage –Osseous grafting –Root resection surgery

29. AHCJYS What treatmentWhat treatment –Osseous surgery –Scaling and root planing –Curettage –Osseous grafting –Root resection surgery

30. AHCJYS What treatmentWhat treatment –Osseous surgery –Scaling and root planing –Curettage –Osseous grafting –Root resection surgery

31. AHCJYS Limitations An adjunct Not a substitute