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Mandible &TMJ (125)
| Question | Answer |
|---|---|
| In the open-mouth position, | The condyle will articulate with the articular tubercle |
| In a lateral view of the TMJs in the closed- mouth position, | The condyle of the mandible will be inside the mandibular fossa |
| PA Axial Mandibular Rami Patient Positioning is the same as | PA Skull, PA Axial Caldwell |
| PA Axial Mandibular Body Patient Positioning is the same as | Modified Waters |
| AP Axial mandible Modified towns CR is | +5 degrees, from AP Axial Skull Towns CR positioning, 1 inch above Glabella or 3 inches superior to Nasion |
| Axiolateral Oblique TMJ- | Modified Law |
| Axiolateral TMJ- | Modified Schüller |
| All TMJ projections require? | 2 Images |
| CR Placement for Axiolateral Oblique Mandible Projection | 25° cephalad, through area of interest |
| What Axiolateral Oblique Projection is the best/most commonly performed? | Axiolateral Oblique Mandible, General Survey |
| Axiolateral Oblique Mandible Symphysis/Mentum; Head Rotation | 45° toward IR |
| Axiolateral Oblique Mandible, Body; Head Rotation | 30° toward IR |
| Axiolateral Oblique Mandible General Survey; Head Rotation | 10-15° toward IR |
| Axiolateral “Oblique” Mandible, Rami; Head Rotation | True lateral Position |
| IOML is parallel to the IR, and the CR is perpendicular to the IOML describes the patient position for which projection? | SMV Mandible |
| SMV Mandible CR Position | Enters midway between gonions Through sella turcica, About ¾ inch anterior to EAM |
| Universal Axiolateral Oblique Mandible Patient Starting Position | True lateral, Mouth closed, Teeth together, Extend chin |
| PA Mandibular Rami CR Position | CR perpendicular, exits the acanthion |
| PA Mandibular Body CR Position | CR perpendicular, exits at the level of the Lips |
| CR 20-25° cephalad, exits at the acanthion describes protocol for what projection? | PA Axial Mandibular Rami |
| CR 30° cephalad, enters midway between the TMJ’s describes protocol for what projection? | PA Axial Mandibular Body |
| The TMJ Joint is | Synovial Hinge |
| The petrous ridges are within themaxillary sinus (lower portion) in a | Modified Waters |
| The petrous ridges are beneath the maxillary sinus in a | Waters |
| “flashing ghost”- Head | Nasal Bones |
| “flashing ghost”- Body | Inferior portion of the mandible and horizontal portion of the palatine |
| “flashing ghost”- flash of the robe | Maxillary Sinus |
| “flashing ghost”- Cloud | Upper Teeth |
| Axiolateral TMJ (Modified Schüller) Patient Position | Stay in true lateral position |
| Axiolateral TMJ (Modified Schüller) CR Position | 25-30 degrees Caudal, 2 inches superior and 1/2 inches anterior to EAM |
| Axiolateral Oblique TMJ (Modified Law) Patient Position | Rotate patient 15 Degrees towards IR (from lateral |
| Axiolateral Oblique TMJ (Modified Law) CR Placement | 15 degrees caudal, enters 1.5 inches Superior to EAM, exits TMJ |
Created by:
user-2016295