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RCT comparing posterior occlusal forms for complete dentures.

A F Sutton1, H V Worthington, J F McCord

  • 1The School of Dentistry, The University of Manchester, Higher Cambridge Street, Manchester, UK. finlaysutton@another.com

Journal of Dental Research
|June 26, 2007
PubMed
Summary
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Complete dentures with lingualized or anatomic occlusal forms significantly improve chewing ability compared to zero-degree forms. This study evaluated patient satisfaction with different posterior occlusal designs for dentures.

Area of Science:

  • Dentistry
  • Biomaterials Science
  • Prosthodontics

Background:

  • Complete dentures are a common prosthetic solution for tooth loss.
  • The occlusal form of posterior teeth in complete dentures can influence masticatory function and patient satisfaction.
  • Previous research suggests potential benefits of cusped posterior teeth.

Purpose of the Study:

  • To compare patient satisfaction with three different posterior occlusal forms for complete dentures.
  • To evaluate the subjective perception of chewing ability among different occlusal designs.

Main Methods:

  • A randomized cross-over trial design was employed.
  • Forty-five participants received three sets of complete dentures with zero-degree, anatomic, and lingualized occlusal forms.

Related Experiment Videos

  • Subjective data on satisfaction and chewing ability were collected using visual analogue scales after 8 weeks of use.

    • Main Results:

    • Lingualized and anatomic occlusal forms were perceived as significantly superior for chewing ability compared to zero-degree occlusal surfaces.
    • Patient satisfaction with chewing function was higher with lingualized and anatomic designs.

    Conclusions:

    • For complete dentures, lingualized and anatomic posterior occlusal forms offer improved chewing ability and patient satisfaction over zero-degree forms.
    • These findings support the use of more complex occlusal schemes in complete denture fabrication for enhanced functional outcomes.