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Does chewing performance depend upon a specific masticatory pattern?

S Yamashita1, J P Hatch, J D Rugh

  • 1Department of Orthodontics, The University of Texas Health Science Center, San Antonio, USA. syama@mug.biglobe.ne.jp

Journal of Oral Rehabilitation
|August 13, 1999
PubMed
Summary
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No single ideal chewing pattern exists for optimal mastication. Human chewing behavior is complex, influenced by individual dental anatomy and influenced by the central pattern generator. Further research is needed.

Area of Science:

  • Biomedical Engineering
  • Neuroscience
  • Dental Science

Background:

  • Human masticatory behavior is intricate, involving complex neural and biomechanical components.
  • Chewing performance is influenced by factors such as bolus properties, dental morphology, and temporomandibular joint (TMJ) structure.

Purpose of the Study:

  • To review existing literature on the ideal chewing pattern for maximizing chewing performance.
  • To determine if a universally applicable chewing pattern can be identified for clinical or research use.

Main Methods:

  • Literature review of studies investigating chewing patterns and performance.
  • Analysis of factors influencing the human chewing cycle, including neural control and anatomical influences.

Main Results:

Related Experiment Videos

  • No single ideal chewing pattern was identified that applies universally.
  • Chewing patterns are highly individualized, adapting to bolus characteristics and dental anatomy.
  • The intercuspal position and gliding contacts are critical phases of the chewing cycle.

Conclusions:

  • The concept of a singular ideal chewing pattern is not supported by current evidence.
  • Individualized chewing patterns, adapted to unique dental anatomy, likely optimize chewing capability.
  • The complexity of masticatory behavior necessitates further investigation.