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Alternate occlusal schemes.

W O Jensen1

  • 1University of Southern California, School of Dentistry, Los Angeles.

The Journal of Prosthetic Dentistry
|January 1, 1991
PubMed
Summary

When anterior teeth are non-functional due to jaw size disparity, alternative occlusions like bilateral balance or reverse occlusion are recommended. These methods ensure proper force distribution and occlusal stability for stable dental function.

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Area of Science:

  • Dental Occlusion
  • Oral Rehabilitation
  • Maxillofacial Morphology

Background:

  • Anterior teeth typically guide the chewing envelope and protrusive disocclusion.
  • Loss of anterior tooth function necessitates alternative occlusal strategies.
  • Jaw size discrepancies, particularly a larger mandible, significantly alter occlusal dynamics.

Purpose of the Study:

  • To explore alternative occlusal schemes when anterior teeth are non-functional.
  • To identify optimal occlusal strategies for managing mandibular prognathism and related dental issues.
  • To emphasize the importance of posterior determinants in maintaining occlusal stability.

Main Methods:

  • Comparative analysis of occlusal schemes in relation to jaw morphology.
  • Evaluation of bilateral balanced occlusion and reverse occlusion principles.
  • Assessment of the impact of anterior tooth function on occlusal envelope and stability.

Main Results:

  • Non-functional anterior teeth require alternative occlusal designs.
  • Bilateral balance and reverse occlusions provide guidance and support in cases of mandibular disparity.
  • Proper force distribution through the long axis of teeth is crucial for stability.
  • Arbitrary removal of balancing contacts can lead to occlusal imbalance and pain.

Conclusions:

  • Bilateral balance and reverse occlusions are recommended physiologic occlusions for significant mandibular disparity.
  • Accurate reproduction of posterior determinants is essential for successful occlusal rehabilitation.
  • Maintaining occlusal integrity prevents instability, pain, and functional compromise.

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