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A self-contained device that fits comfortably in the mouth is needed for patients who experience nighttime bruxism. While protecting the teeth, the device must also sense damaging levels of bruxing force and respond with a gentle feedback stimulus to the mouth.
Prototype
This week we attached electrodes to the mouth splint, tested the sensor, and attached the circuit. The sensor test was very successful, after minimal reduction in the thickness of the acrylic layer we were able to measure resistances within the range that we wanted for detection (this may sound a little confusing, see report for details). However, this is very good news. The circuit is working fine and we are currently attaching it to the mouth splint. Voltage will be supplied externally. (see Picture)
The prototype is fully functional as of April 30th! The prototype fits in the patient’s mouth, detects clenching of the teeth, and provides an electric stimulus when bruxing occurs. A video of the deivce has been posted and our final paper will be added very soon.
--David
| Week | Reporting Period Beginning | Activities |
|---|---|---|
| 1 | January 24 | Reorganization, Checked over equipment in new design lab |
| 2 | January 31 | Redesigned testing apparatus |
| 3 | February 7 | Force Testing on Sensors, order more sensors |
| 4 | February 14 | Tested Acrylic coating techniques |
| 5 | February 21 | Continued Testing of Acrylic coating techniques |
| 6 | February 28 | Force testing on acrylic coated sensors, prepare presentation |
| 7 | March 7 | Midterm Presentation |
| 8 | March 14 | Continued Pressure Testing, and coating depth optimization |
| 9 | March 21 | Spring Break |
| 10 | March 28 | Continued Pressure Testing, and coating depth optimization |
| 11 | April 4 | Attach Sensor to Mouthsplint |
| 12 | April 11 | Test/adjust Feedback response of device to pressure |
| 13 | April 18 | Test/adjust Feedback response of device to pressure |
| 14 | April 25 | Awake testing of feedback response wih device in mouth |
| 15 | May 2 | Final Poster Presentation |
 |
Journal Article (Mar 3 2003, 428 kb) |
 |
Video of Prototype Testing (May 7 2003, 6901 kb) |
