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A microprocessor temperature-controlled air delivery system for dentinal hypersensitivity testing.

P Person, E E Demand, L Koltun

Clinical Preventive Dentistry

|March 1, 1989

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A novel microprocessor-controlled air delivery system precisely measures cold and warm temperature thresholds for dentinal hypersensitivity. This system offers accurate, rapid temperature changes for reliable diagnostic testing in dental hypersensitivity research.

Area of Science:

Dental Science
Biomedical Engineering
Diagnostic Technology

Background:

Dentinal hypersensitivity presents a diagnostic challenge.
Accurate temperature threshold determination is crucial for diagnosis and treatment planning.

Purpose of the Study:

To design and construct a microprocessor-controlled air delivery system for precise temperature threshold measurement of dentinal hypersensitivity.
To evaluate the system's performance in clinical settings.

Main Methods:

A new system was developed with a temperature range of -5°C to +85°C.
Air delivery is controlled via a dental air syringe nozzle at a gentle flow rate (0.2 cu ft/min).
The system achieves 1-5°C temperature increments/decrements within seconds and 20°C increments/decrements in approximately 15 seconds, with +/- 0.2°C accuracy.

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Main Results:

The system successfully determined temperature thresholds for dentinal hypersensitivity in two clinical studies.
The device operates on standard power outlets (110V/60Hz or 230V/50Hz) and requires standard dental compressed air (60 psig).

Conclusions:

The developed microprocessor temperature-controlled air delivery system is effective for determining dentinal hypersensitivity thresholds.
This technology provides a reliable and accurate method for assessing temperature-related dental pain.