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Pain-pressure threshold in human gingivae

¹Department of Restorative Dentistry, University of Newcastle, United Kingdom.

Journal of Orofacial Pain

|January 1, 1995

Summary

The pain-pressure threshold in healthy oral tissues is higher in the maxilla. Pain sensitivity increases with faster pressure application rates, suggesting consistent measurement in attached gingiva.

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Area of Science:

Oral medicine
Neuroscience
Biomedical engineering

Background:

Pain perception in human tissues is influenced by anatomical location and pressure application rate.
The effect of these variables on pain-pressure thresholds in healthy oral tissues remains unclear.

Purpose of the Study:

To investigate the influence of recording site location and pressure application rate on pain-pressure thresholds in healthy human gingivae.
To assess the consistency of pain-pressure threshold measurements in attached gingiva.

Main Methods:

A custom-made algometer applied pressure at three different rates to 12 sites on the attached gingiva of 10 subjects over 4 weeks.
Pain-pressure thresholds were recorded weekly at sites apical to maxillary (teeth 11-16) and mandibular (teeth 41-46) teeth.

Main Results:

Pain-pressure thresholds were significantly higher at maxillary recording sites compared to mandibular sites.
No significant differences were found along the tooth rows within the maxilla or mandible.
Measurements demonstrated consistency across recording sessions.
Pain-pressure thresholds increased linearly with increasing rates of pressure application.

Conclusions:

Pain-pressure threshold measurement in attached human gingiva is consistent.
Maxillary sites exhibit higher pain-pressure thresholds than mandibular sites.
Both anatomical location (maxilla vs. mandible) and rate of pressure application significantly affect pain-pressure thresholds in oral tissues.

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