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US 9,956,064 B2Granted
Method and device for the determination of the centric position of a human set of teeth
AssigneeKaltenbach & Voigt GmbH & Co.
InventorHans-Walter Lang
Life of this patent
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Abstract
The invention concerns methods and a device for the determination of the centric position of a human set of teeth with improved precision. This is needed for the adjustment of an articulator in the production of dentures. For this purpose a plurality of successive bite movements or displacement movements of the lower jaw are recorded in form of electronic signal data and evaluated for the determination of the centric position.
Claims6
Method for the determination of the centric position of a human set of teeth, comprising:
- carrying out a plurality of biting movements of a patient's lower jaw;
- detecting a plurality of bite end positions during the biting movements with measurement technology for each biting movement;
- converting the plurality of bite end positions into electrical signal data in the form of points having coordinates;
- determining a centric position from the signal data by averaging the coordinates of the plurality of bite end positions in a coordinate plane;
- illustrating the coordinates of the determined centric position on a display;
- placing a register between the patient's upper and lower jaw;
- guiding the patient's lower jaw into the centric position illustrated on the display by manipulating the patient's lower jaw until a measured position of the patient's lower jaw matches the illustrated determined centric position on the display;
- and
- programming the register by bringing the patient's lower jaw into contact with the register to imprint the register.
6 more elements
Dependencies are inferred from the claim text.