TMJ Flashcards
1
Q
Forceful opening
A
Temporalis, inferior lateral pterygoid, digastrics
2
Q
closing
A
masseter, temporalis, medial pterygoid
3
Q
Protrusion
A
superficial Masseter, superior lateral pteryogid, some assist from medial pteryoid
4
Q
Retrusion
A
deep masseter, posterior temporals, and digrastics
5
Q
Opening ROM
A
males: 40-45, females 45-50 mm, hypermobile >55 mm, functional opening 35 mm
6
Q
Protrusion
A
6-9 mm
7
Q
Retrusion
A
3 mm
8
Q
Lateral deviation
A
1/4 of opening; 10 mm
9
Q
lateral deviation muscles
A
contralateral pteryogoids; psi masseter and temporals
