MF TMD/OCCLUSION Flashcards
Balancing interferences? Non-working side interferences?
- U7 palatal cusp
- Lingual inclines of mandibular buccal cusps
Distolingual cusp of the maxillary first molar rests on _______________.
The mesial marginal ridge of the mandibular 2nd molar
In lateral excursives, which cusp passes b/w the MD and DB cusps of UR7?
DB cusp of LR7
Distal step will almost always develop into ______.
Class II
If pain crosses midline, it is ___________.
Psychogenic pain (nerves don’t cross the midline)
What structure maintains proper articular disc to condyle relationship?
Superior lateral pterygoid
______ is formed from posterior surface of condylar process and inferior surface of the posterior cranial base (temporal)?
Articulare
What is unique about the TMJ?
Absence of hyaline cartilage
Which of the following condition does not provide optimum stabilization of the masticatory system:
1. Molar Angle Class I in CO
2. Canine guidance
3. Anterior guidance
Molar Angle Class I in CO - Don’t care about molars only canines
TMD features EXCEPT:
Occlusion
Emotional stress
Trauma
Parafunction
Posture
Posture
Features of closed lock
< 27mm opening, no joint sounds, pain on forced opening
What is CR?
No consensus (if not option, then superior/anterior)
Most common age?
15-25 year olds
Maximum opening? Adult? Kids?
- 50/12
- 40/8
% of normal growth in kids with condylar fracture?
75%
