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Positioning > Facial Bones- Chapter 11 > Flashcards

Facial Bones- Chapter 11 Flashcards

(84 cards)

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1
Q

Of the 14 bones that make up the facial skeleton, only 2 bones are unpaired. What are they?

A

Vomer
Mandible

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2
Q

What are the largest immovable bones of the face?

A

Maxillary Bones

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3
Q

The right and left maxillary bones are solidly united at the midline below the ______ ________?

A

Nasal Septum

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4
Q

Each maxilla assists in the formation of 3 cavities of the face. What are the 3 cavities?

A

Mouth
Nasal Cavity
One Orbit

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5
Q

What are the four process on the maxilla?

A

Frontal Process
Zygomatic Process
Alveolar Process
Palatine Process

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6
Q

What projects laterally to unite with zygoma?

A

Zygomatic Process

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7
Q

What is the inferior aspect of the body of each maxilla?
(8 upper teeth)

A

Alveolar Process

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8
Q

What projects upward alone the lateral border of the nose towards the frontal bone?

A

Frontal Process

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9
Q

Superior aspect of the anterior nasal spine is called what?

A

Acanthion

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10
Q

The body of each maxillary bone contains a large, air filled cavity known as a

A

Maxillary Sinus

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11
Q

What kind of joint is the palatine process?

A

Synathrodial (Immovable)

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12
Q

The two palatine process form the _____ part of the roof of the mouth

A

Anterior

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13
Q

The horizontal portion of two other facial bones, the palatine bones, form what part of the hard palate?

A

Posterior

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14
Q

Projecting posteriorly from the zygoma is a slender process that connects with the zygomatic process of the temporal bone to form the _____?

A

Zygomatic Arch

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15
Q

The anterior portion of the arch is formed by the _______?

A

Zygoma

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16
Q

Positioning landmark, and this term refers to this prominence portion of the zygoma

A

Zygomatic Prominence

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17
Q

Thinnest and most fragile bones in the entire body

A

Lacrimal

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18
Q

What forms the bridge of the nose

A

Two nasal bones

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19
Q

These two bones project from the lateral walls of the nasal cavity on each side and extend medially

A

Inferior Nasal Conchae

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20
Q

How many pairs of nasal conchae are there

A

3

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21
Q

3 pairs of the nasal conchae

A

Superior/Middle ; Ethmoid
Inferior

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22
Q

Nasal Conchae Job

A

Break up or mix the flow of air coming into the nasal cavity before it reaches the lungs; Incoming air is warmed and cleaned as it comes in contact with the mucous membrane the covers the conchae

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23
Q

The cribiform plate and the crista galli of the ethmoid bone help to separate the cranium from the ____

A

facial bone mass

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24
Q

What 2 bones formed the bony nasal septum

A

Ethmoid
Vomer

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25
Anterior nasal septum is cartilaginous and termed
Septal Cartilage
26
Thin, triangular bone that forms the infero-posterior part of the nasal septum
Vomer
27
Source of nosebleed
Vomer
28
Site of nasal deviation
Between the septal cartilage and the vomer
29
Only movable bone in the adult skull
Mandible
30
Center of mental protuberance
Mental Point
31
Single body that forms from each lateral half and unites at the anterior midline
Symphysis
32
The mental foramina serve as a passage way for what
Mental artery/vein Mental nerve
33
Does the coronoid process articulate with another bone
No
34
Where does the upper portion of the ramus terminate
Mandibular notch
35
The process at the anterior end of the mandibular notch is termed the
Coronoid process
36
The posterior process of the upper ramus is termed the
condyloid process
37
Only movable joint in the skull
TMJ
38
TMJ joint type
Synovial Bicondylar Plane / Gliding
39
Alveoli and roots of teeth joint type
Fibrous Gomphosis
40
What sinus is definite at birth
Maxillary
41
Frontal and sphenoid sinus begin to develop at ages
6/7
42
What sinuses are contained within the lateral masses or labyrinths of the ethmoid bone
Ethmoid sinuses
43
3 groupings of the ethmoid sinuses
Anterior Middle Posterior collections
44
What sinuses lie directly below the sella turcica
Sphenoid sinuses
45
Drainage pathways for frontal, maxillary, and ethmoid sinuses make up the
osteomeatal complex
46
All four sinuses are seen on what radiograph
Open mouth waters
47
Cause by a blow to the cheek, resulting in fracture of zygoma in 3 places “free floating zygomatic bone”
Tripod Fx
48
Severe bilateral horizontal fxs of the maxillae that may result in an unstable detached fragment
Le fort fx
49
Opposite fx
Contrecoup fx
50
describes a new and abnormal growth
Neoplasm
51
localized infection of bone or bone marrow
Osteomyelitis
52
infection of the sinus mucosa that may be acute or chronic
sinusitis
53
infection of bone and marrow secondary to sinusitis
secondary osteomyelitis
54
zygoma articulations
ZOOS FAKE THE SNAKES MARKS
55
lacrimal articulations
LATELY FRIENDS EAT MORE ITALIAN
56
Nasal articulations
nobody freaking eats moldy oreos
57
Inferior nasal concha articulation
I ENJOY MAKING LITTLE PRETZELS
58
Palatine bone articulations
please enjoy some more italian vegetables please
59
mandible articulation
my treat
60
orbits articulations
orangutans sometimes fight so eagerly many zoos lack protection
61
Maxillary articulations
MOM never lets friends enter Italian zoo per vacancy
62
PA CALDWELL FACIAL BONES
OML PERP 15 caudal Cr exit at nasion
63
Waters facial bones
MML PERP OML FORMS 37 ANGLE EXIT AT ACANTHIAN
64
Modified waters facial bone
LML PERP 55 angle exit at acanthian Better view to see inferior orbits
65
lateral facial bones
IOML PERPENDICULAR TO FRONT EDGE OF IR CR AT ZYGOMA
66
lateral nasal bones
IPL PERPENDICULAR CR 1/2 below nasion
67
SUPEROINFERIOR TANGENTAIL AXIAL PROJECTION NASAL BONES
parallel to GAL
68
SMV zygomatic arches
IOML PARALLEL mid way between arches
69
oblique inferosuperior projection zygomatic arches
shows single arches IOML PARALLEL 15;15
70
townes zygomatic arches
30 causal to OML or 37 to IOML cr 1 inch above basil
71
rhese method 3 point landing
chin cheek nose AML perp 37 towards affected side; 53
72
true lateral mandible best demonstrates what
ramus
73
amount of rotation for a general surgery of mandible
10-15
74
rotation for mentum
45
75
PA axial mandible
oml perp 20-25 cephalon , exit at acanthion
76
townes mandible
OML perp 35 for OML 42 IOML
77
SMV mandible
IOML PARALLEL
78
modified town for TMJ
oml perp 35 caudal oml 42 ioml
79
modified law tmj
ipl perp face towards ir 15 15 cuad 1 1/2 inches superior to eam
80
schuller tmj
ioml perp to front edge of ir 25 - 30 causal
81
caldwell sinuses
elevate head so oml is 15 angle from horizontal exit at nation
82
waters sinuses
mml perp oml 37 to ir exit at acanthion
83
smv sinuses
ioml parallel
84
open mouth waters sinus
oml forms 37 angle exit at acanthion

Positioning (2 decks)

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