Posts Tagged ‘ occlusion ’

Unilateral Fixed Partial Denture

A lower Unilateral Extension Fixed Partial Denture was fabricated with the purpose of restoring the center of occlusion, and create a premolar occlusion. The Cantilever Fixed Partial Denture design will also provide functional stability for the complete denture on the upper. It will also protect the anterior part of the maxillary ridge from excessive load or resorption.

Minimal occlusal preparation was done on both premolars. Selective grinding on maxillary denture was done to obtain balanced occlusion in the muscular contact position.

Unilateral Extension Fixed Partial Denture (abutments are 44 and 45, missing teeth are 46, 47 and 48 with only the first molar restored)

Cantilever Fixed Partial Denture

2011
01/17
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Fixed Prosthodontics
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Occlusion in Denture Construction

Occlusal factors which are considered in Denture Construction:

Muscles

These are the drivers of the system and are what put it all in the motion. They include muscles of mastication and posture, and their adaptability.

Skeleton

Genetic and functional demands strongly affect occlusion. Consider deep Class II malocclusions with exaggerated Curves of Wilson and Curves of Spee.

Joints

Unique in that they function as a pair and dislocate during normal function. Capable of significant remodelling and susceptilble to damage.

Dentition

Dominates the entire system by establishing maximum intercuspation. Establishing a centric occlusion with no sloping interferences is the basis for long term stability.

Patient

Psychological aspects of patient’s expectations and perceptions will either nullify or exaggerate any of the other factors.

2009
12/10
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Prosthodontics
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