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PRINCIPLES OF RADIOGRAPHIC INTERPRETATION

PRINCIPLES OF RADIOGRAPHIC INTERPRETATION. DR SAMY I ALAGHA A PROFESSOR&CONSULTANT OF RADIOLOGY. GUIDELINES FOR ORDERING DENTAL RADIOGRAPHS. MAKE RADIOGRAPHS ONLY AFTER A CLINICAL EXAMINATION. ORDER ONLY RADIOGRAPHS THAT DIRECTLY BENEFIT THE PATIENT IN DIAGNOSIS &TREATMENT.

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PRINCIPLES OF RADIOGRAPHIC INTERPRETATION

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  1. PRINCIPLES OF RADIOGRAPHIC INTERPRETATION DR SAMY I ALAGHA A PROFESSOR&CONSULTANT OF RADIOLOGY

  2. GUIDELINES FOR ORDERING DENTAL RADIOGRAPHS • MAKE RADIOGRAPHS ONLY AFTER A CLINICAL EXAMINATION. • ORDER ONLY RADIOGRAPHS THAT DIRECTLY BENEFIT THE PATIENT IN DIAGNOSIS &TREATMENT. • USE THE LEAST AMOUNT OF RADIATION EXPOSURE .

  3. CLINICAL SITUATIONS NEED RADIOGRAPHIC EXAMINATIONS 1-DENTAL CARIES 2-PERIODENTAL DISEASES 3-DENTAL ANOMALIES 4-GROWTH&DEVELOPMEN AND DENTAL MALOCCLUSION 5-OCCULT DISEASES 6-TMJ DISORDERS 7-IMPLANTS 8-PARANASAL SINUSES 9-TRAUMA

  4. RADIOGRAPHIC INTERPRETATION • CLINICAL EXAMINATION • QUALITY OF DIAGNOSTIC IMAGE • NUMBER &TYPE OF AVAILABLE IMAGES • VIEWING CONDITIONS

  5. IMAGE ANALYSIS • Systematic radiographic examination>>>identify normal anatomy&examinte the entire film • Inraoral images>>>examine the periapical films before the bitewing films starting in the RT maxilla to its LT then drop down in the LT mandible to its RT • Extraoral images>> panoramic films,cephalometricviews&TMJ views

  6. ANALYSIS OF INTRAOSSEOUS LESIONS

  7. STEP 1:LOCALIZE THE ABNORMALITY • LOCALIZED OR GENERALIZED • POSITION IN THE JAWS • SINGLE OR MULTIFOCAL • SIZE

  8. STEP 2:ASSESS THE PERIPHERY &SHAPE • Is the periphery of lesion well defined or ill defined? • SHAPE OF LESION>>>Circular or fluid filled >>>Scalloped in cystic or cystlike lesions

  9. STEP3:ANALYZE THE INTERNAL STRUCTURE • Air,Fat,or Gas • Fluid • Soft tissue • Bone marrow • Trabecular bone • Cortical bone &dentine • Enamel • Metal

  10. STEP4:ANALYSE THE EFFECTS OF THE LESION ON SURROUNDING STUCTURES • TEETH,LAMINA DURA,PERIODENTAL MEMBRANE SPACE • INFERIOR ALVEOLAR CANAL&MENTAL FORAMEN • MAXILLARY ANTRUM • SURROUNDING BONE DENSITY&TRABECULAR PATTERN • OUTER CORTICAL BONE&PEIOSTEAL REACTION

  11. END

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