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Resorption can be so severe as to require augmentation with bone
grafts in order to prevent pathologic fracture of the mandible.
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There is no justification for radiography of
edentulous patients without a specific indication
such as :* clinical signs or
* symptoms or
* medical & dental history or
* implant treatment
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EKSTRA ORAL
PANORAMIK
INTRA ORAL
PERIAPIKAL OKLUSAL
RA dan RB
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TANPA PERGESERAN
DEVIASI DENGAN PERGESERAN
DISLOKASI
FRAKTUR
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Radiological features of mandibular fractures
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Fractures of the mandible
Tempat yang sering mengalami fraktur
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T M
Temporo mandibular joint
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Classification Diagnosis Literature references
Developmental
abnormalities
Hyperplasia of coronold processCondylar hyperplasia Condylarhypoplasia Condylar aplasia
Congenital syndrome
Gross etal 1997 Isberg and
Eliasson 1990 Nakata etal. 1995Krogstad 1999 Polley and
Figueroa 1997 Posnick 199? 1998Inflammations Bacterial arthritis Rheumatoid
arthritis Juvenile chronic arthritisFree intra-articular bodies
Leighty etal, 1993 Scutellari and
Orzinolo 1998 Larheim etal. 1992Sarma and Dave 1991ikebeetaL1998 Duvoism etal 1990
Fractures Classification of condylarfractures Classification of disk
displacements associated withcondylar fractures
Spiessl and Schroll 1972 Bumann
etal 1993
Ankylosis Fibrous ankylosis Bony ankylosis Nitzan and Dolwick 1989Mo$esandlo1995 McCain etal.1992 Lelfo 1990
TumorsPrimary benign tumor Primarymalignant tumor Metastases
Bavitz and Chewning 1990Kreutzinger 1994 DeBoom etal1985 Claser etal 1997 Jchal etal
1994
Cysts
Ganglionic cyst Synovial Chang etal 1997
cyst Epidermoid cyst Bonanacdetal 1996 Weinberg
Aneurysmal bone cyst and Kryshtalkyi 199S Svenssonand Isacsson 1993
Other
Systemic lupus erythematosus Avascular necrosis AkromegalyGout
Jonsson etal 1983 Donaldson1995 Schellhas etal 1989Hampton 1987 Gross etal 1987
T M J
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Unilateral / Bilateral Failure of Condylar
Development
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T M J
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T M J
Radiographic
investigation
Area of joint shown
Transcranial Lateral aspect of:Glenoid fossa, Articular eminence,
Joint space,
Condylar head
Transpharyngeal Lateral view of:
Condylar head and neck,
Articular surface
Panoramic Lateral view of
both condylar heads and neck
Reverse Towne's Posterior view of
both condylar
heads and necks
Tomography (CT) All aspects of:
Glenoid fossa
Articular eminence
Joint space
Condylar head
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Transcranial
Main indications
The main clinical indications include:
• TMJ pain dysfunction syndrome
clicking and limitation in opening
• To investigate the size and position of the disc
• To investigate the range of movement in the joints.
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Transcranial
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TranspharyngealMain indications
The main clinical indications include:
• TMJ pain dysfunction syndrome
• To investigate pathological conditions affecting
the condylar head, including cysts or tumours
• Fractures of the neck and head of the condyle
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Transpharyngeal
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Transpharyngeal
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Panoramic
Main indications
The main clinical indications are generally the
same as the transpharyngeal views and include:
• TMJ pain dysfunction syndrome
• To investigate pathological conditions affecting
the condylar heads
• Fractures of the condylar heads or necks
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Panoramic
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Reverse towne's
Main indications
The main clinical indications include:
• To investigate the articular surface of the
condyles and disease within the joint
• Fractures of the condylar heads and necks
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Reverse towne's
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Tomography
Main indications
The main clinical indications include:
• Full assessment of the whole of the joint to
determine the presence and site of any
bone disease or abnormality
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• Proyeksi apakah ?
• Posisi apakah
A,B & C ?
• Struktur anatomi
apakah
D,F,G & H ?
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Panoramic TMJ
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Radiography in implantology
Pre-operative planning
During Surgery
Postoperative
osteointegration
bone healingperiodically review the fixture
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IMAGINGTECHNIQUE ADVANTAGES DISADVANTAGES
Lateral
cephalometric
radiography
May be useful in anterior jaw regions.
Cross-sectional image of mid-line of
jaws gives information on:
Tooth inclination
Bone quantity
Image has known magnification
Images of structures not
in mid-line are
superimposed
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Pre-operative planning
The quality and quantity of bone
The bucco-lingual width and height of available bone
The inclination of bony contours The presence of osseous undercuts
Evidence of atypical anatomy such as enlarged marrow spaces
Presence of pathology
Exact location of certain anatomic structures
(the maxillary antrum, inferior alveolar canal, mental foramen etc)
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During Surgery
If any radiography is needed then
periapical radiographs are readilyavailableand use of digital imaging should beconsidered which offers the benefits of'real-time’ imaging
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Postoperative
Radiography has been recommended to evaluate the implant postoperatively. During the healing phase, if the patient has clinical symptoms. If not, at 12 months and is considered essential to assess marginal bone levels. Review intervals range from annual reviews to once every three years.
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Michael J. Pharoah; Stuart C. White : ORAL RADIOLOGY: PRINCIPLES AND INTERPRETATIONSt. Louis, Missouri , Mosby Inc, 2004
Radiation Protection 136 : European guidelines on radiation protection in dental radiology
Luxembourg: Office for Official Publications of the European Communities 2004
Hiroshi Muraoka : A color Atlas of complete denture Fabrication, Osaka Japan,
Quintessence pablishing company, 1989
Mac Entee, Michael I : The complete denture : A clinical Pathway, Quintessence Publishing
Company, Inc. Illinois 1999
Kepustakaan
Eric Whaites : Essentials of Dental Radiography and Radiology, 3th edition, Edinburg London
Newyork Oxfort Philadelphia St.Louis Sydney Toronto, Churchill Livingstone, 2003
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