Periodontal Pocket Depth Measuring Device That Can Maintain Constant Force

Abstract

The invention discloses a periodontal pocket depth measuring device capable of keeping constant force, which comprises a first part and a second part, wherein the first part is used for keeping the force unchanged under the condition of displacement change; the second part is used for carrying out laser ranging on the displacement change. The first part comprises a sliding rod, two sliding rod supports, a constant force spring and a constant force spring base, wherein the longitudinal section of the sliding rod is an ellipse, and one end of the sliding rod, close to the constant force spring,is provided with a smooth depression; the second part comprises a laser displacement sensor, a limiting platform column, a laser reflection structure and a special shell, wherein the laser displacement sensor is fixed on the inner wall of one end of the special shell, away from the sliding rod, and the limiting platform column and the laser reflection structure are fixed on the sliding rod. The laser displacement sensor has the advantages of high precision and small size, can achieve the functions of high-precision stable measurement of the depth of the periodontal pocket, constant explorationpressure and the like by matching with the constant-force spring, solves the problems of low precision, changing exploration pressure and the visual reading errors of an inspector and the like when using a prior manual probe.

Description

technical field [0001] The invention relates to a periodontal pocket depth measuring device capable of maintaining constant force. Background technique [0002] The detection of the attachment level of periodontal tissue is the gold standard for the diagnosis of periodontal disease. Obtain the value and distribution of periodontal pocket formation and periodontal pocket depth (pocket depth, PD) on each tooth surface of all teeth in the entire dentition through probing, and at the same time detect root furcation lesions and gingival bleeding during probing, etc. , so as to assist in the assessment of periodontal support tissue loss and inflammation. [0003] At present, the most commonly used periodontal probing method in clinical practice is to use ordinary periodontal scale probes for detection. When the doctor's fingers feel the resistance of the probe reaching the bottom of the periodontal pocket, the PD can be obtained through the scale on the periodontal probe. The re...

AI Technical Summary

Problems solved by technology

This probing method has problems such as low probe accuracy, unstable probing pressure, errors in the visual reading of the examiner, possible recording errors by medical staff, and waste of manpower.

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