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Radiographs
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Intra-oral radiographic
information Root length
Root proximity
Root form
Presence or absence of periapical lesions
Estimate of remaining alveolar bone
support Local etiologic factors
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Furcations -- maxillary
molars Buccal - may be obscured due to
superimpostion
Mesial and distal
The pointer
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Mesial and distal furcations
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Mesial and distal furcations
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Mesial and distal furcations
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Not a
replacement foran
examination!!!
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Limitations
Does not show periodontal pockets
Does not show morphology of the
defects
Misses buccal and lingual deformities
Does not distinguish between treated
and untreated case
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Treatment status
AfterBefore
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Treatment status
AfterBefore
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Limitations
Does not show periodontal pockets
Does not show morphology of thedefects
Misses buccal and lingual deformities
Does not distinguish between treatedand untreated case
Does not show mobilityDoes not show hard and soft tissue
relationships
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Benefits
Can show relationship of crest
Can help monitor disease progression
Indicates areas for further examination
Documents crown - root ratio
Evaluation of deposits and margins
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Types of surveys
Periapical films
Bite-wing films
Horizontal
Vertical
Panoramic films
CT Scans
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CT Scans
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How Cone Beam CT WorksX-ray source
X-ray source
Detector
Fanof X-rays
Coneof X-rays
Detector
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Effective Dose
Comparison
i-CAT 20 second scan: 68 uSvExposure is in Pulsed mode, actual exposure time isabout 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 Panoramic 4.7 14.9 uSv
Highest Film Pan 26 uSv
Full mouth series: 150 uSv
Medical CT 1200-3300uSv*kk
Dr. Sharon Brooks, Dept. of Radiology, University of Michigan
*Dr. Stuart White, Dept. of Radiology, UCLA
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CT Scans
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for Implants
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3-D Implant
Visualization and Planning
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for Orthodontics
DICOM 3 3rdparty software. Please call for details
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for Orthodontics
DICOM 3 3rdparty software. Please call for details
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for Orthodontics
DICOM 3 3rdparty software. Please call for details
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What treatment?
Osseous surgery
Scaling and root planing
Curettage Osseous grafting
Root resection surgery
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What treatment
Osseous surgery
Scaling and root planing
Curettage
Osseous grafting
Root resection surgery
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What treatment
Osseous surgery
Scaling and root planing
Curettage
Osseous grafting
Root resection surgery
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What treatment
Osseous surgery
Scaling and root planing
Curettage
Osseous grafting
Root resection surgery
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Limitations
An adjunct
Not a substitute
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