By means of inductive motion recorders not in contact with the teeth, tooth movements in buccal and lingual directions were recorded with load being exerted on the different individual functional facets. When loading the retrusion facets the maxillary tooth is displaced lingually and the mandibular tooth buccally. This is significant for grinding-in.

Bruxism↗

PubMed1977

[Do pin guides have any effect on the limits of mandibular movements?].

In the Denar and Stuart pantographs, the movement limits in one subject using 12 different tracing pin guides were recorded and evaluated. No changes in the movement of the terminal hinge axis were found. By means of a registration device fixed to the Denar articulator it was found that the tracing pin guide has an influence on the inclination of the functional facets of the teeth: the flatter or more convex the tracing pin guide, the flatter the occlusal structures.

Dental Articulators↗

PubMed1975

[Physiology and pathology of occlusion].

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Dental Instruments↗

PubMed1975

[Articulation theory--today].

The classic theory of articulation (Hanau's quintet and Thielemann's formula) was to be modified on the basis of more exact methods of registering the mandibular movements. In the course of protrusion, laterotrusion and mediotrusion, different factors determine direction and inclination of the individual functional dental facets. The laws of articulation are redefined with regard to laterotrusion.

Bicuspid↗