Developing Skill and Expertise in the Use of Panoramic Radiography
Developing Skill and Expertise in the Use of Panoramic Radiography Developing Skill and Expertise in the Use of Panoramic Radiography
5/13/2013 Head Twisted: One side of the mouth is magnified and ramus is distorted, more of the spine appears on one side of film Frankfort Plane: • An imaginary line from the floor of the orbit (eye) to the external audiology meatus. • Should be parallel to the floor Controls chin positioning (high/low) Ala-Tragus Line • *An imaginary line from the ala of the nose to the external auditory meatus Controls chin positioning (high/low) 5
5/13/2013 Common Positioning Requirements: Bite Block Anterior teeth should be positioned in the proper groove(s). Common Positioning Requirements: Bite Block • Biting too far forward: • Anterior teeth appear narrow and smaller • The spine appears in radiograph • Biting too far back: • Anterior teeth appear widened and blurred • Condyles of mandible are not visible Common Positioning Requirements: Bite Block • Biting too far forward: • Anterior teeth appear narrow and smaller • The spine appears in radiograph • Biting too far back: • Anterior teeth appear widened and blurred • Condyles of mandible are not visible Courtesy of Mosby, Inc., Elsevier Pub, 2009.. 6
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- Page 3 and 4: 5/13/2013 References • Frommer, H
- Page 5: 5/13/2013 Panoramic Units •Many d
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- Page 11 and 12: 5/13/2013 A lead apron artifact app
- Page 13 and 14: 5/13/2013 Panoramic Anatomy Why is
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- Page 17 and 18: 5/13/2013 Radiographic Anatomy: Pan
- Page 19 and 20: 5/13/2013 Radiographic Anatomy: Pan
- Page 21 and 22: 5/13/2013 Radiolucent/Radiopaque Pe
- Page 23 and 24: 5/13/2013 Central Giant Cell Granul
- Page 25 and 26: 5/13/2013 Chondrosarcoma • Poorly
- Page 27 and 28: 5/13/2013 Radiopacities: Odontoma,
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- Page 33 and 34: 5/6/2013 Past Medical History He ha
- Page 35 and 36: 5/6/2013 The biopsy specimen showed
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5/13/2013<br />
Head Twisted: One side <strong>of</strong> <strong>the</strong> mouth is magnified <strong>and</strong> ramus<br />
is distorted, more <strong>of</strong> <strong>the</strong> sp<strong>in</strong>e appears on one side <strong>of</strong> film<br />
Frankfort<br />
Plane:<br />
• An imag<strong>in</strong>ary l<strong>in</strong>e from<br />
<strong>the</strong> floor <strong>of</strong> <strong>the</strong> orbit<br />
(eye) to <strong>the</strong> external<br />
audiology meatus.<br />
• Should be parallel to<br />
<strong>the</strong> floor<br />
Controls ch<strong>in</strong> position<strong>in</strong>g<br />
(high/low)<br />
Ala-Tragus L<strong>in</strong>e<br />
• *An imag<strong>in</strong>ary l<strong>in</strong>e from<br />
<strong>the</strong> ala <strong>of</strong> <strong>the</strong> nose to<br />
<strong>the</strong> external auditory<br />
meatus<br />
Controls ch<strong>in</strong> position<strong>in</strong>g<br />
(high/low)<br />
5