AHCJYS Radiographs

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

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

AHCJYS Mesial and distal furcations

AHCJYS Mesial and distal furcations

AHCJYS Mesial and distal furcations

AHCJYS Not a replacement for an examination!!!

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

AHCJYS Treatment status AfterBefore

AHCJYS Treatment status AfterBefore

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

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

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

AHCJYS CT Scans

AHCJYS CT Scans

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

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): uSv Digital Panoramic4.7 – 14.9 uSv Highest Film Pan26 uSv  Full mouth series:150 uSv  Medical CT uSv*kk Dr. Sharon Brooks, Dept. of Radiology, University of Michigan *Dr. Stuart White, Dept. of Radiology, UCLA

AHCJYS CT Scans

AHCJYS for Implants

AHCJYS

AHCJYS

AHCJYS 3-D Implant Visualization and Planning

AHCJYS for Implant 3-D Modeling and Drill Guides

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

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

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

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

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

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

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

AHCJYS Limitations An adjunct Not a substitute