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facial bones
| Question | Answer |
|---|---|
| why should we reduce the technique and repeats for skull exams? | thyroid and eyes are sensitive |
| alveolar process is on which bones | mandible and maxilla. where the teeth lay |
| what bones make the roof of the mouth | maxilla and palatine bones |
| how many bones make up the orbits what are they | 7- frontal, sphenoid, maxilla, ethmoid, zygoma, palatine, lacrimal |
| If a pt cannot be erect for a view, | put them in a cross table lateral with a horizontal beam |
| main difference between axiolaterals for TMJ vs axiolaterals for mandible | the angle for mandible is cephalad the angle for TMJ is caudad |
| what is the best view to show air fluid levels in the sinuses | waters (Parietoacanthion PA) |
| what kvp should be used for PA waters | 75 kvp |
| If we are concerned for orbital floor fracture, what view should be done | modified waters |
| OML angle for waters and modified waters | waters- 37 modified waters- 55 |
| projection name for waters | Parietoacanthion PA |
| if a pt has suspected trauma what should be done instead of waters | reverse waters- AP |
| How is reverse waters done | pt supine, AP. 30° cephalad (toward acanthion) Enter at midline at level of acanthion |
| what lines do we use for waters where is the CR exiting | MML perpendicular to IR, chin up. MSL perpendicular CR exits acanthion |
| the "bridge of the nose" is | superior bony wall of nasal cavity |
| the nasal bones articulate with | frontal bone superiorly, posteriorly with the ethmoid bone, laterally with maxilla, with eachother |
| the zygomatic process is part of | maxilla |
| the maxilla articulates with | frontal, zygomatic, palatine, ethmoid, vomer |
| the zygomatic bone articulates with | temporal, maxilla, sphenoid, frontal |
| perpendicular bone that articulates with ethmoid, maxilla, and palatine | vomer |
| largest and densest bone of the face | mandible |
| largest immovable facial bone | maxilla |
| angle of mandible | gonion |
| anterior tip of the chin | mental protuberance |
| Only bone in the body that does not articulate with another bone | hyoid |
| what bones make up the orbits | frontal, sphenoid, maxilla, ethmoid, zygoma, lacrimal, palatine |
| TEA | top of ear attachment |
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