A dental crown preparation device

Abstract

The invention discloses a device for preparing dental corona. The device comprises a frame, wherein a motor, a control mechanism and an annular abrasion cutting belt are arranged on the frame; the control mechanism is used for controlling the motor to run; the annular abrasion cutting belt is driven by the motor; and the annular abrasion cutting belt comprises a smooth surface and a polishing surface with emery. The device for preparing dental corona has a simple structure and is convenient and practical.

Description

technical field [0001] The invention relates to a dental full crown tooth body preparation device. Background technique [0002] The full crown is the most common restoration in the Department of Prosthodontics. It covers the entire surface of the crown and can be used to restore the shape, function and appearance of the missing tooth. It can also be used as a retainer for fixing the denture. The etiology of the tooth defect is Caries, trauma, wear, acid erosion and developmental deformities are common and frequently-occurring diseases in stomatology; if the defect is too large, a full crown restoration is required. [0003] The following is a porcelain crown as an example to illustrate the process of the crown: [0004] 1. Oral preparation [0005] Reshape the cusps and marginal ridges of adjacent teeth and opposing teeth that are too sharp, too long, or have abnormal shapes that hinder restoration. [0006] 2. Tooth preparation [0007] ①Preparation of the lingual surf...

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Problems solved by technology

[0040] 3. The shoulder should not be made into a blade shape, a feather shape, a shallow concave or a bevel, so as to prevent the edge of the crown from falling in resistance.

[0048] 1. It puts forward very high experience requirements for operators, and experienced doctors still have a high error rate, and it is difficult for doctors with little experience to control;

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