Anatomy
Movements
Disorders
100
An articulation between the condyle of the mandible and the glenoid fossa of the temporal bone.
What is TMJ or temporomandibular joint?
100
Basic movements performed by the TMJ.
What is gliding and rotational movements?
100
Limited or difficulty in opening.
What is trismus?
200
Positioned anterior to the articular fossa and consists of a smooth, rounded ridge.
What is the articular eminence?
200
Elevator muscles that when activated close the mandible.
What is masseter, temporalis, medial pterygoid?
200
Clicking and popping most commonly reflects _____ displacement.
What is disk?
300
Located between the temporal bone and condyle of the mandible on each side.
What is the firous disc or meniscus?
300
Opening or depressor, function is accomplished by.
What is lateral pterygoid muscle with help from the anterior digastric muscle?
300
Condition where displaced disk acts as an obstacle to the sliding condyle.
What is locked jaw?
400
Functions primarily as the hinge or rotational component. A. Upper compartment B. Lower compartment
What is the function of the lower compartment?
400
Translational movements of the TMJ.
What is sliding movements?
400
Acute episode of TMD in which both joints become dislocated often due to excessive mandibular protrusion and depression.
What is subluxation?
500
The TMJ is innervated by the __ division of the __ cranial or trigeminal nerve.
What is the mandibular division of the fifth cranial or trigeminal nerve?
500
The first phase of opening is characterized by _____ movement of the condyle, followed by anterior _____ to the anterior peak of the articular eminence.
What is rotational, translation?
500
Relaxing muscles and carefully moving the mandible downward and back.
What is treatment for subluxation?