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Posterior bite collapse--revisited

A Shifman1, B Z Laufer, H Chweidan

  • 1Department of Oral Rehabilitation, The Maurice and Gabriela Goldshleger School of Dental Medicine, Tel Aviv University, Israel.

Journal of Oral Rehabilitation
|June 25, 1998
PubMed
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Posterior bite collapse involves a loss of vertical dimension, causing incisor flaring. The classical Amsterdam definition offers a clear diagnosis and treatment plan, distinguishing it from other causes.

Area of Science:

  • Dentistry
  • Orthodontics
  • Dental Diagnostics

Background:

  • Posterior bite collapse is characterized by a loss of occlusal vertical dimension.
  • Maxillary incisor flaring is a key clinical sign associated with this condition.
  • Multiple definitions exist, but the Amsterdam definition provides a definitive diagnostic and treatment framework.

Observation:

  • The classical Amsterdam definition of posterior bite collapse is crucial for accurate diagnosis.
  • This condition presents as a subtle loss of occlusal vertical dimension.
  • Maxillary incisor flaring is a direct consequence of the collapsed bite.

Findings:

  • Differential diagnosis is essential to exclude other causes of incisor flaring, including functional issues (lips, tongue), bruxism, habits, periodontal disease, and malocclusions.

Related Experiment Videos

  • Three case reports illustrate the complexities involved in differentiating posterior bite collapse from other conditions.
  • The Amsterdam definition facilitates a clear diagnostic pathway and treatment planning.

    • Implications:

    • Accurate diagnosis of posterior bite collapse is vital for effective treatment planning.
    • Understanding the differential diagnosis prevents misinterpretation of incisor flaring.
    • This research clarifies diagnostic criteria, aiding clinicians in managing patients with this specific occlusal issue.