Head: Skull Imaging Flashcards
1
Q
Paranasal sinuses
A
- Air filled cavities
- Extensions of respiratory tract
2
Q
Paranasal sinuses function
A
- Heat, humidify air
- Sound resonance
3
Q
Paranasal sinuses locations
A
- Frontal
- Ethmoid
- Sphenoid
- Maxillary
4
Q
Temporomandibular joint consists of
A
- Mandibular condyle
- Mandibular fossa
- Articular disc
5
Q
Temporomandibular joint
A
- Modified synovial hinge joint (allows for more than just flex/ext)
- Divided into two cavities
6
Q
Upper Temporomandibular joint function
A
- Translation of disc
7
Q
Lower Temporomandibular joint function
A
- Rotation of mandibular condyle
8
Q
Temporomandibular joint innervation
A
- Innervated by V3
9
Q
Temporomandibular joint muscles
A
- Lateral pterygoid muscle attaches to anterior disc/mandible neck
10
Q
Ligaments of the Temporomandibular joint
A
- Joint capsule
- Lateral ligament
- Stylomandibular ligament
- Sphenomandibular ligamen
11
Q
Temporomandibular Joint Dysfunction (TJD)
A
- Blanket term for conditions that cause pain, dysfunction, of the TMJ and/or muscles of mastication
- Myofascial
- Articular disc
- Arthritis
12
Q
Symptoms of Temporomandibular Joint Dysfunction (TJD)
A
- Pain, pain with jaw movement
- Stiffness/reduced range of motion
- Jaw locking
- Altered teeth alignment
- Headaches, dizziness, tinnitus
- Bruxism
13
Q
Dislocation of the TMJ
A
- Anterior is most common
- Posterior dislocation uncommon because of bone/ligament support
- Lateral ligament
- Postglenoid tubercle
- Trauma related - mandibular fracture could be present
14
Q
Occipito-Mental view is also called
A
- Waters view
15
Q
Elevation of mandible (mouth closing) muscles
A
- Temporalis
- Masseter
- Medial pterygoid
