COURSE: Fundamentals of Occlusion - Steven T. Cutbirth, DDS

Occlusion is the dynamicbiological relationships of components of the masticatory system that control tooth contacts during function and dysfunction.

Interferences are undesirable occlusal contacts that may produce mandibular deviation during closure to maximum intercuspation or may hinder smooth passage to and from the intercuspal position. 

A nonworking interference is an occlusal contact between maxillary and mandibular teeth on the side of the arches opposite the direction in which the mandible has moved in a lateral excursion.

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