PT3 - Stomatognatic System Flashcards
1
Q
What does stomatognatic mean?
A
- stoma = mouth
- gnathic = jaw
2
Q
Whta does TMJ mean?
A
- templomandibular joint
3
Q
What components are considered part of the stomatognathic system?
A
- posterior cervical muscles
- mastication muscles
- phonation (speaking) muscles
- oral, facial, hyoid and cervical myo-fascia
- SCM, TMJ, upper cervical joints and SCJ
4
Q
What signs and symptoms of stomatognathic maladaption might patients experience?
A
- post whiplash colicky jaw
- dizziness + HAs following dental work
- HAs and ANS disturbances with chronic bruxism (grinding teeth)
- occlusal (contact of teeth) may be seen in poorly compensating scoliotic patients
5
Q
Describe the structure of the TMJ
A
- condylar synovial joint
- fibrocartilage articular surface
- interacrticular disc - withstands repetitive movements
- 3 ligaments: lateral temporal-mandibular + sphenoid-mandibular + stylo-mandibular
6
Q
What common arthritic disease is associated with TMJ?
A
- OA
7
Q
What are the primary closing muscles of the jaw?
A
- temporalis
- masseter
8
Q
What are the primary openers of the jaw?
A
- gravity: need to be able to relax closing muscles to open jaw
9
Q
What are the movements of the TMJ?
A
- protrusion/retraction
- depression/elevation
- lateral movements for mastication
