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Method and equipment for measuring bone mineral density through oral cavity panoramic film

A bone density and panoramic technology, which is applied in the fields of radiological diagnostic equipment, medical science, dental radiological diagnosis, etc., can solve problems such as errors and affecting the success rate of surgery

Pending Publication Date: 2021-04-27
LARGEV INSTR CORP LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Therefore, the present invention aims to provide a method and equipment for measuring bone density through oral panorama film, so as to solve the problem that the density image of bone tissue cannot be obtained directly in the prior art, and it is necessary to rely on oral clinicians to observe the patient's preoperative images with naked eyes. Panoramic films, due to the lack of accurate bone density values ​​as an accurate reference, are likely to cause large errors and affect the success rate of surgery

Method used

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  • Method and equipment for measuring bone mineral density through oral cavity panoramic film
  • Method and equipment for measuring bone mineral density through oral cavity panoramic film
  • Method and equipment for measuring bone mineral density through oral cavity panoramic film

Examples

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Effect test

Embodiment 1

[0092] A method for measuring bone density by oral panorama film, comprising the steps of:

[0093] S1, sending X-rays around the tooth 12, so as to obtain a curved tomographic projection image; in step S1, including: two ray sources; one of the ray sources sends high-energy X-rays to the tooth 12 under high-voltage exposure conditions, to obtain a set of high-energy attenuation data; the other ray source sends low-energy X-rays to the tooth 12 under low-voltage exposure conditions to obtain a set of low-energy attenuation data;

[0094] S2. Obtain high-energy X-rays and low-energy X-rays passing through the scanned body, respectively;

[0095] S3. The processing unit separately acquires high-energy X-rays and low-energy X-rays passing through the scanned body, and uses an image reconstruction algorithm to obtain a bone tissue density image.

[0096] In this embodiment, the method for measuring oral bone density, in step S3, also includes:

[0097] According to the reconstru...

Embodiment 2

[0114] A method for measuring bone density by oral panorama film, comprising the steps of:

[0115]S1, sending X-rays around the scanned body, so as to obtain a curved surface tomographic projection map; in step S1, including: a ray source; the ray source scans twice to obtain the curved surface tomographic projection map during the process of obtaining the curved surface tomographic projection map A set of high-energy attenuation data and a set of low-energy attenuation data are respectively obtained; the ray source is carried out under high-voltage exposure conditions during one scanning process, and the ray source sends high-energy X-rays to the scanned body to obtain a set of The high-energy attenuation data; the ray source is carried out under low-voltage exposure conditions during another scanning process, and the ray source sends low-energy X-rays to the scanned body to obtain a set of low-energy attenuation data;

[0116] S2. Obtain high-energy X-rays and low-energy X-...

Embodiment 3

[0119] A method for measuring bone density by oral panorama film, comprising the steps of:

[0120] S1, sending X-rays around the scanned body to obtain a curved surface tomographic projection map; in step S1, including: a ray source; the ray source scans once during the process of obtaining the curved surface tomographic projection map to obtain A set of high-energy attenuation data and a set of low-energy attenuation data; during one scan, the ray source alternately sends high-energy X-rays to the scanned object under high-voltage exposure conditions, or sends X-rays to the scanned object under low-voltage exposure conditions. Low-energy X-rays, so as to obtain a set of high-energy attenuation data and a set of low-energy attenuation data;

[0121] S2. Obtain high-energy X-rays and low-energy X-rays passing through the scanned body, respectively;

[0122] S3. The processing unit separately acquires high-energy X-rays and low-energy X-rays passing through the scanned body, a...

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Abstract

The invention discloses a method and equipment for measuring the bone mineral density through an oral cavity panoramic film. The method for measuring the bone mineral density comprises the following steps that S1, high-energy X-rays and low-energy X-rays are sent to a scanned object; S2, the high-energy X-rays and the low-energy X-rays which penetrate through the scanned object are received through a ray receiving mechanism; and S3, a processing unit obtains the high-energy X-rays and the low-energy X-rays penetrating through the scanned object, and a density image of the bone tissue is obtained through an image reconstruction algorithm. By means of the method, the density image of the bone tissue can be obtained, and therefore the problem that in the prior art, an oral clinician needs to observe a dental film of a patient with naked eyes, oral jaw bone mineral density evaluation is conducted according to the sparse degree of spatial arrangement of bone trabecula in a reconstructed image, and consequently bone mineral density accuracy evaluation is poor in accuracy is solved.

Description

technical field [0001] The invention relates to the technical field of medical equipment, and mainly relates to a method and equipment for measuring bone density through an oral panorama film. Background technique [0002] Dental implant is by far the most ideal way to restore missing teeth, and its implementation process is also quite complicated. Before dental implantation, patients first need to perform radiographic examinations on the pre-implantation site for various evaluations. Among them, the bone density assessment of the implantation area is How to measure the bone density of the jaw accurately, effectively and practically is the key step to achieve the success of dental implant, which plays a very important guiding role in the formulation of implant and periodontal surgery and the judgment of prognosis. In addition, oral bone loss is an important factor affecting the retention of teeth and the success of denture restoration. studied by measuring the bone density ...

Claims

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Application Information

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IPC IPC(8): A61B6/14
CPCA61B6/505A61B6/5217A61B6/51
Inventor 吴宏新王亚杰张文宇何艾静张康平孙宇王继斌
Owner LARGEV INSTR CORP LTD
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