CN110368110A - A kind of appliance production method keeping centric relation position - Google Patents

A kind of appliance production method keeping centric relation position Download PDF

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Publication number
CN110368110A
CN110368110A CN201910746876.3A CN201910746876A CN110368110A CN 110368110 A CN110368110 A CN 110368110A CN 201910746876 A CN201910746876 A CN 201910746876A CN 110368110 A CN110368110 A CN 110368110A
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Prior art keywords
centric relation
relation position
bilateral
dentition
width
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CN201910746876.3A
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CN110368110B (en
Inventor
武俊杰
王垚
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Clear Medical Technology Changzhou Co ltd
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Fourth Military Medical University FMMU
Yanan University Affiliated Hospital
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61CDENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C7/00Orthodontics, i.e. obtaining or maintaining the desired position of teeth, e.g. by straightening, evening, regulating, separating, or by correcting malocclusions
    • A61C7/002Orthodontic computer assisted systems
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C64/00Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
    • B29C64/30Auxiliary operations or equipment
    • B29C64/386Data acquisition or data processing for additive manufacturing
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B33ADDITIVE MANUFACTURING TECHNOLOGY
    • B33YADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
    • B33Y50/00Data acquisition or data processing for additive manufacturing
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61CDENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C7/00Orthodontics, i.e. obtaining or maintaining the desired position of teeth, e.g. by straightening, evening, regulating, separating, or by correcting malocclusions
    • A61C7/002Orthodontic computer assisted systems
    • A61C2007/004Automatic construction of a set of axes for a tooth or a plurality of teeth

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Epidemiology (AREA)
  • Optics & Photonics (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Dentistry (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)

Abstract

A kind of appliance production method keeping centric relation position, comprising the following steps: step 1, the precise positioning of centric relation position finds centric relation position;Step 2, centric relation position after keeping precise positioning, utilize 3D scanner, in previously stored upper and lower dentition interface, scan the occluding relation of patient at this time, at this point, the dental pattern column occluding relation position under obtaining centric relation position, the result of scanning is uploaded in area of computer aided printed design software;Step 3, modelling is carried out using 3D printing design software;Step 4, model step 3 designed prints, and using the diaphragm of no bracket invisalign, then the press mold on the model printed, utilizes the centric relation position that patient can be kept without bracket invisalign made;Have the characteristics that easy to operate, quick, efficient.

Description

A kind of appliance production method keeping centric relation position
Technical field
The invention belongs to mouth cavity orthodontic technical fields, and in particular to a method of keep centric relation position.Including noninvasive The digitized applications such as electronics facebow, 3D scanning and area of computer aided printed design.
Background technique
Inspection and treatment, orthodontic treatment and dysfunction of temporomandibular joint of the centric relation position to occlusal reconstruction, conjunction relationship The inspection and treatment of syndrome etc. are all significant.Although centric relation position has repeatability well, it is accurately positioned Centric relation position still has many problems, its accuracy is influenced by factors, such as the operating method of patient, patient Interdependence etc..Precise positioning and centric relation position can be kept just seem more difficult in clinic.
Currently, include Gothic bow graphical method for the localization method of centric relation position, swallow occlusion method, retroflect after lick Method, function bounce technique, chin area revulsion, bilateral help method, tooth crowding graphical method, myo―monitor method etc..However, existing Localization method all there is respective limitation, still cannot preferably realize positioning centric relation position, holding is just more difficult to realize.
In recent years, with digitized development, more and more digitizing techniques are applied in clinical oral.Noninvasive electricity Sub- facebow joint 3D scanning and area of computer aided printed design, Invisible bracketless technique, are precise positioning centric relation Theoretical basis is established in position.However, there is no holding center to close in clinic at present since precise positioning centric relation position is more difficult It is the method for position.Therefore, how precisely to determine centric relation position.Centric relation position after how keeping precise positioning.These problems It is all critical issue urgently to be solved in clinic.
Noninvasive electronics facebow is easy to operate, and can simulate mandibular movement and meshing functionss, is sought by movement repeatedly Accurately centric relation position is found, while 3D scanner can be directly connected to.Area of computer aided printed design combines 3D and scans skill Art visualizes virtual thing, we design requirement on computers, then print, and just envisions us Virtualization object switch to material object.No bracket invisalign becomes a kind of emerging technology on this basis, using based on correct comprehensive Orthodontic treatment theory and target, not only focus on beautiful teeth, the more stability of emphasis mandibular location, that function closes facial muscles is strong Health is coordinated.
Summary of the invention
To overcome above-mentioned the deficiencies in the prior art, rescuing for centric relation position is kept the purpose of the present invention is to provide a kind of Device production method solves precise positioning mandibular centric relation position, and the technology of the centric relation position after precise positioning is kept to ask Topic, has the characteristics that easy to operate, quick, efficient.
To achieve the above object, the technical solution adopted by the present invention is that: it is a kind of keep centric relation position appliance production Method, comprising the following steps:
Step 1, the precise positioning of centric relation position
Firstly, scanning maxillary dentition and mandibular dentition using 3D scanner and saving;Then noninvasive electronic surface is worn to patient Bow, carries out three positions and makees snap-action: intercuspal position, labial teeth counter blade position, left and right sides occlusal position;Repetition does above-mentioned three Kind occlusion position, electronics facebow automatically records tooth crowding, when electronics facebow is exactly found centric relation position, electronics facebow It can automatic prompt centric relation position;
Step 2, the centric relation position after precise positioning is kept
After precise positioning centric relation position, keeps motionless in this position, then recycle 3D scanner, above and below previously stored In denture interface, the occluding relation of scanning patient at this time, at this point, the dental pattern column occluding relation position under obtaining centric relation position, The result of scanning is uploaded in area of computer aided printed design software;
Step 3, modelling is carried out using 3D printing design software
(referring to Fig. 1) is designed in the denture in 3D printing design software, in mandibular dentition bilateral canine tooth and frist premolar It is 5mm that adjacent inter-drain, which designs a width, and depth is the half round concave of 4mm, this concave surface is parallel with mandibular dentition;
Designing a width in the adjacent inter-drain of mandibular dentition bilateral frist premolar and the second premolar teeth is 5mm, and depth is the half of 4mm Circular concave, this concave surface are parallel with mandibular dentition;It is designed in the adjacent inter-drain of the second premolar teeth of mandibular dentition bilateral and first molar One width is 5mm, and depth is the half round concave of 4mm, this concave surface is parallel with mandibular dentition;
Designing a width in the adjacent inter-drain of mandibular dentition bilateral first molar and second molar is 5mm, and depth is the semicircle of 4mm Concave surface, this concave surface are parallel with mandibular dentition;
A cylindrical body is designed in the half round concave that maxillary dentition bilateral corresponds to lower jaw, the width of cylindrical body is 4mm, length root Corresponding length (referring to fig. 2) is designed according to the backteeth distance of patient's centric relation position;
Designing a width in the adjacent inter-drain of maxillary dentition bilateral frist premolar and the second premolar teeth is 4mm, and length is the short of 3mm Cylindrical body, this cylindrical body are parallel with denture;
Designing a width in the adjacent inter-drain of the second premolar teeth of maxillary dentition bilateral and first molar is 4mm, and length is the short circle of 3mm Cylinder, this cylindrical body are parallel with denture;
Design width is 4mm on maxillary dentition bilateral first molar and second molar, and length is the short cylinder of 3mm, this cylinder Body is parallel with denture;
Step 4, model step 3 designed prints, and using the diaphragm of no bracket invisalign, is then printing Press mold on model utilizes the centric relation position that patient can be kept without bracket invisalign made (referring to Fig. 3,4).
Compared with prior art, the invention has the following beneficial technical effects:
Electronics facebow that the present invention uses positioning centric relation position is noninvasive, simple, quick, accurate and can be with resetting;
The present invention embodies number using 3D scanning, area of computer aided printed design and Invisible bracketless technique completely Change technology, and make holding centric relation position appliance can bilateral uniform stressed, do not affect the appearance simultaneously, and energy Reach preferable curative effect.
The method of holding centric relation position of the invention combines noninvasive electronics facebow, 3D is scanned, area of computer aided printing is set Meter, Invisible bracketless technique, fully achieve the digitlization of correction art treatments, while having easy to operate, quick, high The characteristics of effect.
The present invention combines no bracket stealth using noninvasive electronics facebow, 3D scanner technology, area of computer aided printed design Appliance develops a kind of method for keeping centric relation position.So far, it has had not seen and has kept mandibular centric relation position method Report.
Detailed description of the invention
The lower jaw top view that Fig. 1 designs for 3D printing.
The upper jaw top view that Fig. 2 designs for 3D printing.
Fig. 3 is the side view worn after appliance.
Fig. 4 is the front view worn after rescuing.
Specific embodiment
The present invention provides a kind of simple, efficient appliance production methods for keeping centric relation position, utilize noninvasive electricity Sub- facebow, 3D scanning technique, area of computer aided printed design and Invisible bracketless technique.
Step 1, the precise positioning of centric relation position
Selection has the recoverability anterior disk displacement patient of clinical symptoms:
A) it is opened and closed the snap of mouth;B) open-type is biased to Ipsilateral before snap occurs, and snap returns to middle line after occurring;C) hinge area has Tenderness;
Firstly, scanning maxillary dentition and mandibular dentition using 3D scanner and saving;Then noninvasive electronic surface is worn to patient Bow, carries out three positions and makees snap-action: intercuspal position, labial teeth counter blade position, left and right sides occlusal position;Repetition does above-mentioned three Kind occlusion position, electronics facebow automatically records tooth crowding, when electronics facebow is exactly found centric relation position, electronics facebow It can automatic prompt centric relation position;
Step 2, the centric relation position after precise positioning is kept
After precise positioning centric relation position, keeps motionless in this position, then recycle 3D scanner, above and below previously stored In denture interface, the occluding relation of scanning patient at this time, at this point, the dental pattern column occluding relation position under obtaining centric relation position, The result of scanning is uploaded in area of computer aided printed design software;
Step 3, modelling is carried out using 3D printing design software
(referring to Fig. 1) is designed in the denture in 3D printing design software, in mandibular dentition bilateral canine tooth and frist premolar It is 5mm that adjacent inter-drain, which designs a width, and depth is the half round concave of 4mm, this concave surface is parallel with mandibular dentition;
Designing a width in the adjacent inter-drain of mandibular dentition bilateral frist premolar and the second premolar teeth is 5mm, and depth is the half of 4mm Circular concave, this concave surface are parallel with mandibular dentition;It is designed in the adjacent inter-drain of the second premolar teeth of mandibular dentition bilateral and first molar One width is 5mm, and depth is the half round concave of 4mm, this concave surface is parallel with mandibular dentition;
Designing a width in the adjacent inter-drain of mandibular dentition bilateral first molar and second molar is 5mm, and depth is the semicircle of 4mm Concave surface, this concave surface are parallel with mandibular dentition;
A cylindrical body is designed in the half round concave that maxillary dentition bilateral corresponds to lower jaw, the width of cylindrical body is 4mm, length root Corresponding length (referring to fig. 2) is designed according to the backteeth distance of patient's centric relation position.Such as: when centric relation position, up and down after The distance of tooth is 3mm, is designed as follows: designing a width in the adjacent inter-drain of maxillary dentition bilateral canine tooth and frist premolar is 4mm, Length is the short cylinder of 3mm, this cylindrical body is parallel with denture.
Designing a width in the adjacent inter-drain of maxillary dentition bilateral frist premolar and the second premolar teeth is 4mm, length 3mm Short cylinder, this cylindrical body is parallel with denture;
Designing a width in the adjacent inter-drain of the second premolar teeth of maxillary dentition bilateral and first molar is 4mm, and length is the short circle of 3mm Cylinder, this cylindrical body are parallel with denture;
Design width is 4mm on maxillary dentition bilateral first molar and second molar, and length is the short cylinder of 3mm, this cylinder Body is parallel with denture;
Step 4, model step 3 designed prints, and using the diaphragm of no bracket invisalign, is then printing Press mold on model utilizes the centric relation position that patient can be kept without bracket invisalign made (referring to Fig. 3,4).
The length of upper jaw cylindrical body is according to centric relation position backteeth apart from corresponding adjustment.Center of the adjustment according to positioning If relationship position determines, centric relation leveling arch 3mm, so upper jaw cylinder length are 3mm;Each patient's centric relation The degree that position is opened is different, then length it is different, as long as centric relation position of having good positioning, input 3D printing software, as long as upper jaw cylindrical body Length is matching.

Claims (1)

1. a kind of appliance production method for keeping centric relation position, which comprises the following steps:
Step 1, the precise positioning of centric relation position
Firstly, scanning maxillary dentition and mandibular dentition using 3D scanner and saving;Then noninvasive electronic surface is worn to patient Bow, carries out three positions and makees snap-action: intercuspal position, labial teeth counter blade position, left and right sides occlusal position;Repetition does above-mentioned three Kind occlusion position, electronics facebow automatically records tooth crowding, when electronics facebow is exactly found centric relation position, electronics facebow It can automatic prompt centric relation position;
Step 2, the centric relation position after precise positioning is kept
After precise positioning centric relation position, keeps motionless in this position, then recycle 3D scanner, above and below previously stored In denture interface, the occluding relation of scanning patient at this time, at this point, the dental pattern column occluding relation position under obtaining centric relation position, The result of scanning is uploaded in area of computer aided printed design software;
Step 3, modelling is carried out using 3D printing design software
It sets in 3D printing and is designed in the denture in software, design one in the adjacent inter-drain of mandibular dentition bilateral canine tooth and frist premolar A width is 5mm, and depth is the half round concave of 4mm, this concave surface is parallel with mandibular dentition;
Designing a width in the adjacent inter-drain of mandibular dentition bilateral frist premolar and the second premolar teeth is 5mm, and depth is the half of 4mm Circular concave, this concave surface are parallel with mandibular dentition;It is designed in the adjacent inter-drain of the second premolar teeth of mandibular dentition bilateral and first molar One width is 5mm, and depth is the half round concave of 4mm, this concave surface is parallel with mandibular dentition;
Designing a width in the adjacent inter-drain of mandibular dentition bilateral first molar and second molar is 5mm, and depth is the semicircle of 4mm Concave surface, this concave surface are parallel with mandibular dentition;
A cylindrical body is designed in the half round concave that maxillary dentition bilateral corresponds to lower jaw, the width of cylindrical body is 4mm, length root Corresponding length is designed according to the backteeth distance of patient's centric relation position;
Designing a width in the adjacent inter-drain of maxillary dentition bilateral frist premolar and the second premolar teeth is 4mm, and length is the short of 3mm Cylindrical body, this cylindrical body are parallel with denture;
Designing a width in the adjacent inter-drain of the second premolar teeth of maxillary dentition bilateral and first molar is 4mm, and length is the short circle of 3mm Cylinder, this cylindrical body are parallel with denture;
Design width is 4mm on maxillary dentition bilateral first molar and second molar, and length is the short cylinder of 3mm, this cylinder Body is parallel with denture;
Step 4, model step 3 designed prints, and using the diaphragm of no bracket invisalign, is then printing Press mold on model utilizes the centric relation position that patient can be kept without bracket invisalign made.
CN201910746876.3A 2019-08-14 2019-08-14 Method for manufacturing appliance for keeping median relation position Active CN110368110B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111956347A (en) * 2020-08-03 2020-11-20 厦门医学院附属口腔医院(厦门市口腔医院) Temporal-mandibular joint condylar development inducer and preparation method thereof

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4413978A (en) * 1982-05-17 1983-11-08 Kurz Craven H Orthodontic retainer
CN202235718U (en) * 2011-08-28 2012-05-30 王勇 Corrector for pushing front teeth to move to mesioocclusion
CN102648874A (en) * 2012-05-03 2012-08-29 张栋梁 Anatomic model tooth arranging method for personalized tongue side correction
CN103908352A (en) * 2013-01-07 2014-07-09 无锡时代天使医疗器械科技有限公司 Method for generating digital virtual jaw rack, and system thereof
US20170231723A1 (en) * 2013-11-19 2017-08-17 Kelly Lucas Anterior guidance package, kit, and constructing method thereof
CN107080554A (en) * 2017-05-17 2017-08-22 杭州口腔医院有限公司 Remporomandibular joint measuring method, bite plate preparation method
CN107510511A (en) * 2016-06-17 2017-12-26 刘洋 A kind of remporomandibular joint abnormal correction system and its method for making individuation correcting device
CN108451657A (en) * 2018-01-31 2018-08-28 浙江大学 A kind of personalized function appliance and preparation method thereof
CN109394360A (en) * 2018-11-05 2019-03-01 北京为开数字科技有限公司 The production method and gum locator of gum locator
CN109481067A (en) * 2018-12-24 2019-03-19 中国人民解放军总医院 The biteplate and preparation method thereof of the treatment temporomandibular joint disorcler TMP of 3D printing

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4413978A (en) * 1982-05-17 1983-11-08 Kurz Craven H Orthodontic retainer
CN202235718U (en) * 2011-08-28 2012-05-30 王勇 Corrector for pushing front teeth to move to mesioocclusion
CN102648874A (en) * 2012-05-03 2012-08-29 张栋梁 Anatomic model tooth arranging method for personalized tongue side correction
CN103908352A (en) * 2013-01-07 2014-07-09 无锡时代天使医疗器械科技有限公司 Method for generating digital virtual jaw rack, and system thereof
US20170231723A1 (en) * 2013-11-19 2017-08-17 Kelly Lucas Anterior guidance package, kit, and constructing method thereof
CN107510511A (en) * 2016-06-17 2017-12-26 刘洋 A kind of remporomandibular joint abnormal correction system and its method for making individuation correcting device
CN107080554A (en) * 2017-05-17 2017-08-22 杭州口腔医院有限公司 Remporomandibular joint measuring method, bite plate preparation method
CN108451657A (en) * 2018-01-31 2018-08-28 浙江大学 A kind of personalized function appliance and preparation method thereof
CN109394360A (en) * 2018-11-05 2019-03-01 北京为开数字科技有限公司 The production method and gum locator of gum locator
CN109481067A (en) * 2018-12-24 2019-03-19 中国人民解放军总医院 The biteplate and preparation method thereof of the treatment temporomandibular joint disorcler TMP of 3D printing

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111956347A (en) * 2020-08-03 2020-11-20 厦门医学院附属口腔医院(厦门市口腔医院) Temporal-mandibular joint condylar development inducer and preparation method thereof

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Address after: The workshop on the southeast side of the fourth floor of the standard workshop of No. B1, Medical Incubation Park, No. 9 Changyang Road, West Taihu Science and Technology Industrial Park, Changzhou City, Jiangsu Province, 213000

Patentee after: CLEAR MEDICAL TECHNOLOGY (CHANGZHOU) CO.,LTD.

Address before: No.145, Changle West Road, Xincheng District, Xi'an, Shaanxi 710000

Patentee before: THE FOURTH MILITARY MEDICAL University

Patentee before: Yanan University Affiliated Hospital