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Pure titanium metal dental crown, restoration body and processing method thereof

A processing method and crown technology, applied in the field of oral restoration, can solve the problems of restoration failure, inconsistent wear performance of restoration materials and natural tooth enamel, excessive wear, etc., to achieve aggravated abrasive wear and adhesive wear, stable and good occlusal relationship, Uniform effect of dissolution and erosion

Inactive Publication Date: 2020-02-21
SHANDONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] As a biologically inert material, pure titanium has low density, corrosion resistance, and good biocompatibility. It has been used in clinical oral restoration since the 1960s. The inventor found that because its Vickers hardness is only HV50g150-200, The hardness of the enamel is quite different from HV50g320-380, resulting in a large difference in the wear performance of the pure crown and the enamel. During the daily chewing process, various wear debris are easily generated between the metal crown and the opposing teeth, which cannot be removed in time. Adhesive wear is prone to cause failure of the restoration, which greatly shortens the service life of the restoration.
In order to solve the problem of the inconsistency between the wear properties of restoration materials and natural enamel, resulting in excessive wear and tear, the current common method is to prepare crowns and bridges with alloy materials such as cobalt-chromium alloys and nickel-chromium alloys that are close to the hardness and wear properties of enamel. and other restorations, the inventors found that alloying elements were used to improve the wear resistance of oral restorations, but the dissociated heavy metal ions are likely to cause complications such as blackening of the gum edge

Method used

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  • Pure titanium metal dental crown, restoration body and processing method thereof
  • Pure titanium metal dental crown, restoration body and processing method thereof
  • Pure titanium metal dental crown, restoration body and processing method thereof

Examples

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Embodiment 2

[0040] This embodiment discloses a prosthesis, including an implant and the pure titanium crown described in Example 1, the implant is connected to the pure titanium crown, and the implant is an existing prosthetic implant, namely Yes, it can be implanted in the upper and lower jaws of the human body where the teeth are missing. Yes, no detailed description is given here.

Embodiment 3

[0042] This embodiment discloses a processing method of a pure titanium crown, such as Figure 4 shown, including the following steps:

[0043]Step 1: Immerse the crown body 1 made of pure titanium in an alcohol solution, and perform ultrasonic cleaning for 10 minutes.

[0044] Step 2: Put the cleaned crown body into a drying oven and bake it at 100°C until the surface is completely dry.

[0045] Step 3: Place the dry crown body on a 1500r / min rotary glue leveling table for glue coating, and use the centrifugal force to evenly coat the photoresist on the occlusal surface of the crown body to form a thickness of 3um-5um photoresist film 5, put the crown body coated with photoresist film into a drying oven at 100°C and bake for 20 minutes to improve the adhesion between the crown body and the photoresist film, and ensure the crown body and the photoresist film The resist film is adhesively fixed.

[0046] Step 4: pressing the mask plate 6 on the upper surface of the photoresi...

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Abstract

The invention relates to a pure titanium metal dental crown, a restoration body and a processing method thereof, the pure titanium metal dental crown comprises a dental crown body made of pure titanium, an occlusal surface of the dental crown body is provided with a plurality of pits, the distance between the circle centers of adjacent pits is greater than the diameter of each pit, and the pure titanium metal dental crown has long service life.

Description

technical field [0001] The invention relates to the technical field of oral restoration, in particular to a pure titanium crown, a prosthesis and a processing method thereof. Background technique [0002] As a biologically inert material, pure titanium has low density, corrosion resistance, and good biocompatibility. It has been used in clinical oral restoration since the 1960s. The inventor found that because its Vickers hardness is only HV50g150-200, The hardness of the enamel is quite different from HV50g320-380, resulting in a large difference in the wear performance of the pure crown and the enamel. During the daily chewing process, various wear debris are easily generated between the metal crown and the opposing teeth, which cannot be removed in time. Adhesive wear is prone to cause failure of the restoration, which greatly shortens the service life of the restoration. In order to solve the problem of the inconsistency between the wear properties of restoration materi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61C5/70A61C5/77A61C13/00
CPCA61C5/70A61C5/77A61C13/0006
Inventor 史振宇蒋森河邹斌王继来
Owner SHANDONG UNIV
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