Periodontal probe

Details Periodontal probe Periodontal probe

1986-06-19

1989-11-07

Wilson, John J.

Dentistry

Apparatus

Having gauge or guide

433120, 433215, 128776, A61C 1904

Patent

active

048788414

ABSTRACT:
A method and apparatus for determining the attachment point of tissue to a tooth are provided. The apparatus comprises a body for insertion into the mouth which includes a datum surface for engagement with a location on a tooth. A probe is also provided on the body, which is moveable relative to the datum surface by way of a motor operable to control the movement of the probe in order to engage the probe with the tissue. A measuring device is also provided to measure the movement of the probe relative to the datum surface and an attitude sensing device is included to inhibit the operation of the measuring means upon movement of the body from a predetermined attitude. Furthermore, the motor includes a force control device to regulate the force applied to the probe so that the force is maintained at a predetermined value.

REFERENCES:
patent: 381844 (1888-04-01), Morse
patent: 3943914 (1976-03-01), Grenfell et al.
patent: 4250895 (1981-02-01), Lee
Van Der Velden, U. and J. H. De Vries, "Introduction of a New Peridontal Probe: The Pressure Probe", Journal of Clinical Periodontology, 1978: 5: 188-197.

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