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Paper ID S008 : Application of MI sensor-aided motion control system to prosthetic dentistry


Posted Messages (Last post: Fri Mar 30 19:36:49 2007)
[0001] [0002] 
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[0001]
Masayuki HIDESHIMA (Tokyo Medical and Dental University )

Thank you for a clinically valuable presentation.
The chairman has a couple of questions and comments.
1. Is the standard axis of the basic posture determined to be consistent with the occlusal plane?
2. Why did you set the angles of the abutment tooth 8 and 20 degrees? How was the standard deviation in each abutment?
3. It would be helpful if you mention more information concerning the evaluation of the occlusal plane and a systemic joint laxity.

[0002]
Yuichi Ishida (The University of Tokushima )

Thank you for your question.
1. The system has an absolute three-dimensional coordinate of earth gravity. Firstly the sensor is put in as a basic position and the basic three-dimensional
coordinate was recorded by pushing a botton.
Then the sensor is put in a certain position, where we would like to measure. The relative angles of pitching, yawing, and rotating can be automatically measured.
2. The angles of the abutment tooth 8 and 20 degrees was determined as the can clinically happen. The SD of each value is within an accuracy of the system.
3. As the above mensioned the system provides three dimensional angles relative to a determined posture.