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Related Concept Videos

Teeth01:15

Teeth

307
The formation of teeth, also known as odontogenesis, is a complex process that begins in utero, around the sixth week of embryonic development. There are three stages to this process: the bud stage, the cap stage, and the bell stage.
In the bud stage, the tooth germ (an aggregation of cells) starts to form in the developing jawbone. During the cap stage, the tooth germ differentiates into enamel organ, dental papilla, and dental sac, which will later develop into the tooth's enamel, dentin...
307

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Related Experiment Video

Updated: Jun 2, 2025

Temporomandibular Joint Pain Measurement by Bite Force and Von Frey Filament Assays in Mice
06:37

Temporomandibular Joint Pain Measurement by Bite Force and Von Frey Filament Assays in Mice

Published on: September 13, 2024

857

Occlusal acuity and bite force in young adults.

Rebeca Sava1, Nikola Stanisic2, Linn Hindrot1

  • 1Department of Orofacial Pain and Jaw Function, Malmö University, Malmö, Sweden.

Neuroscience
|January 14, 2025
PubMed
Summary

Repetitive testing significantly improves occlusal tactile acuity (OTA), suggesting learning and neuroplasticity. Maximum bite force did not impact OTA, but may cause short-term sensory changes.

Keywords:
Bite forcePeriodontal ligamentTouch perception

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Area of Science:

  • Oral sensorimotor control
  • Neuroscience
  • Biomedical engineering

Background:

  • Occlusal tactile acuity (OTA) and bite force are crucial for oral sensorimotor control.
  • The impact of compressive bite force on OTA, mediated by periodontal ligament mechanoreceptors, remains unclear.

Purpose of the Study:

  • To investigate the effects of repetition and maximum bite force on OTA.
  • To determine if compressive force influences occlusal perception.

Main Methods:

  • 36 healthy individuals performed tactile discrimination tasks using aluminum foils of varying thicknesses.
  • Tests were repeated, with and without an interspersed maximum bite force task, in randomized order.

Main Results:

  • Repeated measurements significantly enhanced OTA (p=0.033), particularly with 40 μm foil.
  • Maximum bite force tests did not significantly affect OTA (p=0.097).

Conclusions:

  • Enhanced OTA is likely due to repetition-mediated learning and neuroplasticity.
  • Compressive bite force may induce transient, undetectable sensory changes or inhibit learning effects.