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Three-dimensional orthodontic force dynamic measurement method and apparatus capable of simulating movement of teeth

A technology of tooth movement and dynamic measurement, applied in dentistry, medical science, etc., can solve problems such as inability to simulate teeth, inability to design orthodontic treatment plans, etc., and achieve accurate measurement results

Active Publication Date: 2016-01-20
盛源(河北)医疗产业有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] The present invention aims at the problem that the current orthodontic correction force measurement system based on the mechanical sensor cannot simulate the real-time change of the tooth movement process due to the position change, and cannot be used in the design of the orthodontic treatment plan before clinical implementation, and proposes a A three-dimensional orthodontic force dynamic measurement method capable of simulating tooth movement and its device capable of simulating and real-time monitoring the force system exerted by orthodontic appliances on teeth

Method used

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  • Three-dimensional orthodontic force dynamic measurement method and apparatus capable of simulating movement of teeth
  • Three-dimensional orthodontic force dynamic measurement method and apparatus capable of simulating movement of teeth
  • Three-dimensional orthodontic force dynamic measurement method and apparatus capable of simulating movement of teeth

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Embodiment 1

[0033] Embodiment 1 The three-dimensional orthodontic force dynamic measurement method of the simulated tooth movement process of the present invention comprises the following steps:

[0034] (1) Obtain the patient's oral cavity data through CT scanning;

[0035] (2) Reconstruct a complete tooth model, and divide the tooth whose correction force is to be measured, such as the canine, into two parts, the crown and the root;

[0036] (3) The dentition positioning guide plate is designed according to the patient's dentition shape. The positioning pins on the guide plate ensure the position of the overall dentition and the insertion depth are accurate, and ensure that each tooth reproduces the angle, position and depth in the oral cavity;

[0037] (4) Make teeth and positioning guides with three-dimensional printing;

[0038] (5) For teeth that need to measure the orthodontic force, such as canines, the tooth root and the crown that are divided into two parts are connected to the...

Embodiment 2

[0044]Embodiment 2 The device constructed according to the dynamic measurement method described in Embodiment 1 includes a measurement base 1, a test occlusal model 2 and a processor 3. A plurality of uprights 11 are installed on the measurement base 1, and the uprights 11 The top of the test occlusal model 2 is fixed on a horizontally arranged support plate 12, and the test occlusal model 2 is installed on the support plate 12, and the signal output end of the tooth mechanics measurement component of the test occlusal model 2 is passed through a transmission cable 4 is connected to the signal input end of the processor 3; the test occlusal model 2 includes a paraffin base 21, a tooth model 22 made up of several teeth, a positioning guide plate 23 and a tooth mechanics measurement assembly 24, the The positioning guide plate 23 is provided with a positioning groove 231 that matches the crown of the tooth in the patient's oral cavity; the crown 221 of the tooth to be tested and ...

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Abstract

The invention provides a three-dimensional orthodontic force dynamic measurement method and apparatus capable of simulating movement of teeth. The method comprises the following steps: carrying out CT scanning so as to obtain data of the oral cavity of a patient, then reconstructing a complete tooth model and segmenting a tooth whose orthodontic force is to be measured into two parts, i.e., a tooth crown and a tooth root; making whole dentition and a positioning guide plate; and installing a tooth mechanical measurement assembly between the tooth crown and the tooth root of the to-be-measured tooth, then pressing the dentition into paraffin and simulating tooth movement in orthodontic treatment. The apparatus constructed according to the dynamic measurement method provided by the invention comprises a measurement base, a test tooth occlusion model and a processor, wherein the a plurality of columns are mounted on the measurement base, the tops of the columns are fixedly connected with a support plate, the test tooth occlusion model is arranged on the support plate, the tooth mechanical measurement assembly of the test tooth occlusion model is connected with the processor, and the the test tooth occlusion model is placed in a temperature-controlled box. The invention has the following beneficial effects: the dynamic measurement method and apparatus can realize real-time dynamic simulation and measurement of orthodontic force of arch wires on the to-be-measured tooth in orthodontic treatment.

Description

technical field [0001] The invention relates to a three-dimensional orthodontic force dynamic measurement method capable of simulating tooth movement and a device thereof. Background technique [0002] Orthodontics is aimed at tooth alignment deformity or malocclusion (occlusion is a word, the same below), using fixed orthodontic devices composed of arch wires, brackets, etc., or invisible removable orthodontic devices such as braces, to apply three-dimensional Corrective force and moment, adjust the balance and coordination among facial bones, teeth and maxillofacial muscles, improve facial shape, align dentition and improve chewing efficiency after a period of correction. [0003] In orthodontics, whether it is a square wire or straight wire appliance in fixed orthodontics, or a removable invisible appliance such as braces, the continuous load is applied to the teeth through the deformation of the arch wire or braces. Achieve tooth movement. Therefore, the three-dimensio...

Claims

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Application Information

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IPC IPC(8): A61C19/04
CPCA61C19/04
Inventor 刘云峰仵健磊周东姜献峰彭伟
Owner 盛源(河北)医疗产业有限公司
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