Gothic arch and method for obtaining long median jaw in digitization mode

Abstract

The invention relates to a Gothic arch and a method for obtaining long median jaw in a digitization mode. The Gothic arch comprises an upper jaw Gothic arch and a lower jaw Gothic arch; the upper jawGothic arch comprises an upper jaw tray, a radiation point, an upper jaw bite rim, an upper jaw Gothic arch tracing plate, a tracing needle and a bite fork; and the lower jaw Gothic arch comprises a lower jaw tray, a radiation point, a lower jaw bite rim, a lower jaw Gothic arch tracing plate, a centric lock disc and a retention pin. The method for obtaining the long median jaw in the digitizationmode comprises the steps that a) taking a preliminary impression; b) loading an articulator; c) designing a personalized Gothic arch in a computer-aided manner; d) preparing a final impression; e) mounting the upper jaw Gothic arch tracing plate on the upper jaw tray through the upper jaw bite rim, and mounting the tracing needle on the upper jaw Gothic arch tracing plate; f) rotating the tracingneedle to adjust the height of the tracing needle to a proper position; and g) obtaining the long median jaw and the like. The Gothic arch and the method for obtaining the long median jaw in the digitization mode can be suitable for cases without teeth on one side and with teeth on the other side or cases with insufficient occlusion space, and the number of treatment times of a patient can be reduced.

Description

technical field [0001] The present invention relates to a Gothic bow and a method for digitally obtaining the median jaw position, which is used to determine the patient's median jaw position, and finally to make dentures. In fact, it is a digital method for obtaining the median jaw position and making dentures. It belongs to the field of stomatology. [0002] technical background [0003] In the field of stomatology, for patients with fully edentulous or partially edentulous jaws, before making restorations for the patients, the most important thing is to determine the patient’s median height and median jaw position. Median jaw position refers to: when The upper and lower dentition are in contact, and the front teeth are in normal overlay covering, back teeth There is a staggered contact relationship between peaks and dimples between the surfaces, and the upper and lower For the widest contact, the position where the mandible is equivalent to the maxilla is called the ...

AI Technical Summary

Problems solved by technology

[0023] In order to solve the above problems, the present invention provides a Gothic bow and a method for digitally obtaining the median jaw position. Through digital design and 3D printing to personalize the Gothic bow, the cumbersome steps are simplified and the production cost is reduced. cost; through the personalized design of tracing board and tray, the present invention can deal with , cases with teeth on one side or cases with insufficient occlusal space; in addition, because the present invention is a 3D printed resin product, no metal artifacts will be produced when shooting CBCT, and it can be made by adding radiation points on the Gothic bow The gothic bow also has the function of a radiation guide, reducing the doctor's operating steps and the number of patient visits; at the same time, it can be added to the printed personalized tray The handle with the fork connected to the universal joint can save the doctor from repeatedly dismantling the tracing board and installing it in the traditional steps. Fork step, direct transfer of maxillary relationship, reducing clinical operation steps

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