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A Design Method for Fixed Anchorage of Auxiliary Invisible Orthodontics

A technology of invisible orthodontic treatment and design method, applied in the fields of medical science, prosthodontics, orthodontics, etc., can solve the problems such as the optimization and unity of invisible appliances, the limited application of invisible orthodontics, and the lack of positioning operation procedures, so as to reduce the difficulty of operation. Different from individual operation, improve the efficiency of correction, and save the effect of operation time

Active Publication Date: 2022-03-29
STOMATOLOGICAL HOSPITAL OF CHONGQING MEDICAL UNIV
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  • Claims
  • Application Information

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Problems solved by technology

However, unlike the three-dimensional digital personalized design of invisible orthodontics, the implantation of implant anchorage is still operated by the doctor's individual experience, which is basically completely separated from the design and manufacture of invisible orthodontic appliances. It lacks accurate positioning and standardized operating procedures, and its implementation The force method is not optimized and unified with the invisible aligner
Therefore, the operation is difficult and the popularization is difficult, resulting in limited application of invisible orthodontics in complex tooth movements

Method used

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  • A Design Method for Fixed Anchorage of Auxiliary Invisible Orthodontics

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Embodiment Construction

[0036] A method for designing a fixed anchorage for auxiliary invisible correction, the method comprising the steps of:

[0037]1) Obtain digital tooth-alveolar bone model fitting: obtain digital dental model M1 through digital oral scanning technology, including digital alveolar base bone of palatal posterior teeth or labial alveolar base bone of maxillary anterior teeth according to actual orthodontic needs ;According to the maxillary model M2 obtained by CBCT scanning, match the tooth landmarks and the digital oral scan model for fitting to form a combined model M3 including oral scan teeth, alveolar mucosa, CBCT root, and alveolar base bone morphology, as shown in figure 1 shown.

[0038] 2) Design the main body of the invisible aligner: according to the set target position of tooth movement, design a tooth-wrapped invisible aligner depending on the specific form of tooth movement (distal movement of the overall dentition or depression of the upper anterior teeth).

[003...

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Abstract

The invention discloses a method for designing a fixed anchorage for assisting invisible orthodontic treatment, comprising the following steps: 1) acquiring a digital tooth-alveolar bone model for fitting; 2) designing the main body of an invisible appliance; 3) determining the fixed anchorage and traction Component position; 4) Design the traction bonding part; 5) Design the anchorage positioning part. The invisible orthodontic system provided by the present invention integrates the design and production of the fixed anchorage into the entire invisible orthodontic tooth movement plan, and determines the best anchorage implantation position and force application method by means of three-dimensional finite element analysis. It helps realize complex tooth movement to the greatest extent, and at the same time avoids the side effects caused by the reaction force acting on non-design moving teeth by providing stable anchorage.

Description

technical field [0001] The invention relates to a design method of fixed anchorage, in particular to a design method of fixed anchorage for auxiliary invisible correction. Background technique [0002] Malocclusion is the third most prevalent disease in stomatology, and its incidence is as high as 60-70% in the general population. The traditional fixed appliance has formed a systematic theory and treatment method, which can meet the treatment requirements of most cases. However, because the appliance is fixedly bonded to the tooth surface, it affects oral cleaning, eating and aesthetics, and most of them are designed and manufactured in a standardized manner, so it is difficult to apply force accurately to each tooth. In recent years, removable invisible aligners are basically invisible after wearing and do not affect tooth surface cleaning and eating, so they have high aesthetics and comfort. The personalized design through the 3D digital model to gradually realize the en...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61C7/00
CPCA61C7/002
Inventor 宋锦璘何瑶王超黄兰郑雷蕾胡波冯格王云霁旷运春王瑜
Owner STOMATOLOGICAL HOSPITAL OF CHONGQING MEDICAL UNIV
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