FACIAL BONES POSITIONING

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defyinglabels
ID:
219327
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FACIAL BONES POSITIONING
Updated:
2013-05-12 23:25:27
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FACIAL BONES
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POSITIONING
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  1. RIGHT OR LEFT LATERAL (FACIAL)
    • IR: 8X10 LW
    • PT POS: SEMI-PRONE
    • PART POS: MSP PARALLEL TO IR / IPL PERP TO IR
    • CR: PERP ENTERING ZYGOMATIC BONE HALFWAY BETWEEN OUTER CANTHUS & EAM
    • ANATOMY: LATERAL FACIAL BONES - NO ROTATION OF SELLA TURCICA
  2. PARIETOACANTHIAL - WATERS METHOD (FACIAL)
    • IR: 10X12 LW
    • PT POS: PRONE; CHIN ON IR
    • PART POS: OML 37* ANGLE WITH IR / MML & MSP PERP TO IR
    • CR: PERP EXITING NASION
    • ANATOMY: ORBITS, MAXILLAE, & ZYGOMATIC ARCHES - PETROUS RIDGES PROJECTED IMMEDIATELY BELOW MAXILLARY SINUSES
  3. MODIFIED PARIETOACANTHIAL - MODIFIED WATERS METHOD (FACIAL)
    • IR: 10X12 LW
    • PT POS: PRONE; CHIN ON IR
    • PART POS: OML 55* ANGLE WITH IR / MSP PERP TO IR / ORBITAL FLOOR PERP TO IR & PARALLEL TO CR
    • CR: PERP EXITING ACANTHION
    • ANATOMY: BLOWOUT FRACTURES OF ORBITAL FLOORS & ASSOCIATED OPACIFIED MAXILLARY SINUS
  4. ACANTHIOPARIETAL - REVERSE WATERS METHOD (FACIAL)
    • IR: 10X12 LW
    • PT POS: SUPINE
    • PART POS: OML 37* WITH IR / MML & MSP PERP TO IR
    • CR: PERP ENTERING ACANTHION
    • ANATOMY: SUPERIOR FACIAL BONES - IMAGE SIMILAR TO WATERS METHOD BUT STRUCTURES ARE MAGNIFIED
  5. PA AXIAL - CALDWELL METHOD (FACIAL)
    • IR: 10X12 LW
    • PT POS: PRONE; NOSE & FOREHEAD ON IR
    • PART POS: OML & MSP PERP TO IR
    • CR: 15* CAUDAD EXITING NASION
    • 30* CAUDAD ANGLE FOR ORBITAL FLOORS
    • ANATOMY: ORBITAL RIMS, MAXILLAE, NASAL SEPTUM, ZYGOMATIC BONES, & ANTERIOR NASAL SPINE - PETROUS RIDGES IN LOWER 1/3 OF ORBITS - PETROUS RIDGES BELOW INFERIOR MARGIN OF ORBITS WITH 30* ANGULATION
  6. RIGHT & LEFT LATERAL (NASAL)
    • IR: 8X10 CR (2 EXPOSURES ON 1)
    • PT POS: SEMI-PRONE
    • PART POS: MSP PARALLEL TO IR / IPL PERP TO IR / IOML PARALLEL WITH TRANSVERSE AXIS OF IR
    • CR: PERP TO BRIDGE OF NOSE, 1/2" DISTAL TO NASION
    • ANATOMY: NASAL BONE OF SIDE NEAREST IR & SOFT STRUCTURES - ANTERIOR NASAL SPINE & FRONTONASAL SUTURE
  7. SUBMENTOVERTICAL (SMV) (ZYGOMATIC ARCHES)
    • IR: 8X10 CW
    • PR POS: SUPINE
    • PART POS: IOML PARALLEL TO IR / MSP PERP TO IR
    • CR: PERP ENTERING MSP OF THROAT AT LEVEL OF 1" POSTERIOR TO OUTER CANTHI
    • ANATOMY: BILATERAL ZYGOMATIC ARCHES
  8. TANGENTIAL (ZYGOMATIC ARCHES)
    • IR: 8X10 LW
    • PT POS: SUPINE
    • PART POS: IOML PARALLEL TO IR / MSP OF HEAD 15* TWD SIDE BEING EXAMINED / TILT TOP OF HEAD 15* AWAY FROM SIDE BEING EXAMINE
    • ANATOMY: ZYGOMATIC ARCH FREE OF SUPERIMPOSITION
  9. AP AXIAL - MODIFIED TOWNE METHOD (ZYGOMATIC ARCHES)
    • IR: 8X10 CW
    • PT POS: SUPINE
    • PART POS: MSP & OML PERP TO IR
    • CR: 30* CAUDAD TO ENTER GLABELLA 1" ABOVE NASION
    • ANATOMY: ZYGOMATIC ARCHES PROJECTED LATERAL TO MANDIBULAR RAMI
  10. PA (MANDIBULAR RAMI)
    • IR: 8X10 LW
    • PT POS: PRONE; FOREHEAD & NOSE ON IR
    • PART POS: OML & MSP PERP TO IR
    • CR: PERP TO EXIT ACANTHION
    • ANATOMY: ENTIRE MANDIBLE - CENTRAL PART OF BODY NOT WELL VISUALIZED DUE TO SUPERIMPOSITION OF C-SPINE - MEDIAL OR LATERAL DISPLACEMENT OF FRAGMENTS IN FRACTURES OF RAMI
  11. PA AXIAL (MANDIBULAR RAMI)
    • IR: 8X10 LW
    • PT POS: PRONE; FOREHEAD & NOSE ON IR
    • PART POS: OML & MSP PERP TO IR
    • CR: 20-25* CEPHALAD EXITING ACANTHION
    • ANATOMY: ENTIRE MANDIBLE - CENTRAL PART OF BODY NOT WELL VISUALIZED DUE TO SUPERIMPOSITION OF C-SPINE - MEDIAL OR LATERAL DISPLACEMENT OF FRAGMENTS IN FRACTURES OF RAMI
  12. PA (MANDIBULAR BODY)
    • IR: 8X10 LW
    • PT POS: PRONE; NOSE & CHIN ON IR
    • PART POS: MANDIBULAR SYMPHYSIS PARALLEL TO IR / AML & MSP PERP TO IR
    • CR: 30* CEPHALAD MIDWAY BETWEEN TMJ'S 
    • ANATOMY: MANDIBULAR BODY & TMJ'S
  13. AXIOLATERAL & AXIOLATERAL OBLIQUE (MANDIBLE)
    • IR: 8X10 LW/CW ACCORDING TO REGION
    • PT POS: SEMI-PRONE OR SEMI-SUPINE
    • PART POS: RAMUS: HEAD LATERAL / IPL PERP
    • BODY: HEAD ROTATED 30* TWD IR
    • SYMPHYSIS: HEAD ROTATED 45* TWD IR
    • CR: 25* CEPHALAD PASSING THROUGH REGION OF INTEREST
    • ANATOMY: REGION OF MANDIBLE THAT IS PARALLEL TO IR
  14. SUBMENTOVERTICAL (SMV) (MANDIBLE)
    • IR: 8X10 LW
    • PT POS: SUPINE; HEAD RESTED ON VERTEX
    • PART POS: MSP VERTICAL / IOML PARALLEL TO IR - WHEN PT CAN'T EXTEND NECK, ANGLE GRID DEVICE (PARALLEL TO IOML)
    • CR: PERP MIDWAY BETWEEN ANGLES OF MANDIBLE
    • ANATOMY: MANDIBULAR BODY, CORONOID & CONDYLOID PROCESSES OF RAMI
  15. PA AXIAL (TMJ)
    • IR: 8X10 LW
    • PT POS: SUPINE; OPEN & CLOSED MOUTH
    • PART POS: OML & MSP PERP TO IR
    • CR: 35* CAUDAD MIDWAY BETWEEN TMJ'S, ENTERING 3" ABOVE NASION
    • ANATOMY: MINIMAL SUPERIMPOSITION OF PETROSA ON CONDYLE IN CLOSED-MOUTH EXAM - CONDYLE & TM ARTICULATION BELOW PARS PETROSA IN OPEN-MOUTH EXAM
  16. RIGHT & LEFT AXIOLATERAL - SCHULLER METHOD
    • IR: 8X10 CW
    • PT POS: SEMI-PRONE
    • PART POS: MSP PERP TO IR / IPL PARALLEL TO IR
    • CR: 25-30* CAUDAD TO MIDPOINT OF IR, ENTERING 1/2" ANTERIOR & 2" SUPERIOR TO UPSIDE EAM
    • ANATOMY: CONDYLE IN MANDIBULAR FOSSA IN CLOSED-MOUTH EXAM - CONDYLE LYING INFERIOR TO ARTICULAR TUBERCLE IN OPEN-MOUTH EXAM
  17. RIGHT & LEFT AXIOLATERAL OBLIQUE - MODIFIED LAW METHOD
    • IR: 8X10 CW
    • PT POS: SEMI-PRONE
    • PART POS: IPL PERP TO IR / AML PARALLEL WITH TRANSVERSE AXIS OF IR / MSP OF HEAD 15* TWD IR
    • CR: 15* CAUDAD EXITING THROUGH TMJ CLOSEST TO IR - ENTERS 1 1/2" SUPERIOR TO UPSIDE EAM
    • ANATOMY: RELATIONSHIP BETWEEN MANDIBULAR FOSSA & CONDYLE

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