VieSID Canada

Author name: Jillian Tester

Hinge Axis Theory

Hinge Axis Theory

What is the hinge axis? Any three dimensional object that rotates does so around a central axis. In the case of the mandible we have two condyles joined by a rigid body (the mandible). Location of the hinge axis of the mandible can be used diagnostically (electronic Condylography, and hinge axis transfer of study casts to an articulator).

muscle palpation

Muscles: the first responders.  What do they reveal?

In previous blogs we have discussed our patient interview, and clinical examination. To have a thorough understanding of the stomatognathic system it is essential to palpate the muscles that are responsible for creating movements that allow function to occur. Mastication, swallowing, speech, bruxism and respiration are the main functions that we need to consider.

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