CN115054387A - Composite dental shell type appliance with various mechanical characteristics - Google Patents
Composite dental shell type appliance with various mechanical characteristics Download PDFInfo
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- CN115054387A CN115054387A CN202210551951.2A CN202210551951A CN115054387A CN 115054387 A CN115054387 A CN 115054387A CN 202210551951 A CN202210551951 A CN 202210551951A CN 115054387 A CN115054387 A CN 115054387A
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- auxiliary
- lingual
- force applying
- mechanical properties
- composite
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- 239000002131 composite material Substances 0.000 title claims abstract description 29
- 239000000956 alloy Substances 0.000 claims abstract description 11
- 230000014759 maintenance of location Effects 0.000 claims abstract description 11
- 238000012937 correction Methods 0.000 claims description 17
- 210000004513 dentition Anatomy 0.000 claims description 6
- 210000004283 incisor Anatomy 0.000 claims description 6
- 230000036346 tooth eruption Effects 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 4
- 229910001256 stainless steel alloy Inorganic materials 0.000 claims description 4
- 238000010146 3D printing Methods 0.000 claims description 3
- HZEWFHLRYVTOIW-UHFFFAOYSA-N [Ti].[Ni] Chemical compound [Ti].[Ni] HZEWFHLRYVTOIW-UHFFFAOYSA-N 0.000 claims description 3
- 229910001000 nickel titanium Inorganic materials 0.000 claims description 3
- 238000007639 printing Methods 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 3
- 238000009757 thermoplastic moulding Methods 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims 1
- 210000003781 tooth socket Anatomy 0.000 abstract description 17
- 230000000694 effects Effects 0.000 abstract description 6
- 239000000463 material Substances 0.000 description 9
- 238000010586 diagram Methods 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 210000000988 bone and bone Anatomy 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000035807 sensation Effects 0.000 description 2
- 229910001069 Ti alloy Inorganic materials 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000003416 augmentation Effects 0.000 description 1
- 230000003796 beauty Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 210000001847 jaw Anatomy 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000399 orthopedic effect Effects 0.000 description 1
- 201000008482 osteoarthritis Diseases 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000008685 targeting Effects 0.000 description 1
Images
Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C7/00—Orthodontics, i.e. obtaining or maintaining the desired position of teeth, e.g. by straightening, evening, regulating, separating, or by correcting malocclusions
- A61C7/08—Mouthpiece-type retainers or positioners, e.g. for both the lower and upper arch
Landscapes
- Health & Medical Sciences (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Dentistry (AREA)
- Epidemiology (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
The invention discloses a composite type dental brace type appliance with various mechanical characteristics, which comprises a plurality of composite type dental brace type appliance units, wherein each composite type dental brace type appliance unit comprises: the auxiliary tongue side fixing structure is designed and manufactured by computer assistance, and is sleeved outside the orthodontic teeth; the auxiliary tongue side force applying device is arranged on the inner side of the auxiliary tongue side fixing structure; the auxiliary force applying device on the lingual side is attached to at least one part of the auxiliary retention structure on the lingual side; the auxiliary force applying device on the lingual side is provided with a plurality of continuous or discontinuous units. The invention has the following technical effects: the most important characteristics of the transparent tooth socket are not changed: bracket-free, transparent (especially anterior labial), comfortable. The mechanical characteristics of the tooth socket are improved, and the advantages of the alloy material are combined with the transparent tooth socket.
Description
Technical Field
The invention relates to a tooth appliance, in particular to a composite dental shell type appliance with various mechanical characteristics, and belongs to the technical field of medical appliances.
Background
In 1990, adult patients accounted for almost 25% of all orthodontic patients, and this trend was due to the increasing number of orthodontic patients over the age of 40. Most adult patients compare the appearance of an orthodontic appliance. Today, there is a great need for aesthetic orthodontic appliances. The metal bracket used in the traditional fixing correction is not beautiful; the appearance of the ceramic bracket improves the aesthetic effect of fixed correction to a certain extent, but the ceramic bracket still has steel wires, and is large in size and fragile; the tongue side correction is more beautiful, but the comfort and oral hygiene conditions are not optimistic, and the technical requirements are extremely high. The transparent tooth socket is an appliance without a bracket structure, is almost invisible, greatly reduces the foreign body sensation, and is widely popularized in recent years.
However, the mechanical properties are not good, so that the application range is narrow, and the side effects are difficult to correct. Causing trouble and pain to many doctors and patients. Moreover, due to the decay of the tooth socket material, the orthodontic force which is soft and stable for a long time cannot be provided; the time for traditional braces correction is typically around 2 years, and hospital adjustments are required every 1-2 weeks. No matter whether the metal bracket, the ceramic bracket or the tongue side bracket is fixed and corrected, the part actually generating orthodontic force is a steel wire, the material of the steel wire comprises titanium alloy, stainless steel alloy and the like, and the orthodontic wire with the most suitable elasticity and rigidity can be replaced according to the treatment requirement so as to load the most suitable continuous and soft orthodontic force.
Despite the existence of various new materials and design schemes, the disadvantages of excessive initial force value and short duration still cannot be solved. And the concept of continuous and light force. And because of the inherent characteristics of the shape, the force application effect of the appliance in a specific direction is poor, and the treatment scheme carried by the appliance cannot be expressed in the body of a patient.
In conclusion, the rigidity and elasticity of the bracket-free invisible appliance cause corresponding problems for the application of the bracket-free invisible appliance.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a composite dental shell type appliance with various mechanical properties. The mechanical properties that ware was rescued in no support groove stealth is improved in the compound application of accessible multiple materials: aiming at different stages of correction and the moving form of teeth, the auxiliary force application device with different materials and structures is designed, so that the aim of continuous and soft orthodontic force is more approached, the correction efficiency of bracket-free invisible correction is increased, the safety is improved, and complications are reduced.
The purpose of the invention is realized by the following technical scheme:
a composite dental shell appliance unit having multiple mechanical properties, comprising:
the auxiliary tongue side fixing structure is designed and manufactured by computer assistance, and is sleeved outside the orthodontic tooth;
the auxiliary tongue side force applying device is arranged on the inner side of the auxiliary tongue side fixing structure; the auxiliary force applying device on the lingual side is attached to at least one part of the auxiliary retention structure on the lingual side;
the auxiliary force applying device on the lingual side is provided with a plurality of continuous or discontinuous units.
The dental brace type appliance unit is provided with a plurality of groups, and the number is as follows: the unit 1 and the unit 2 … … are designed by computer assistance and are a sequence of continuous correction devices.
At least one part of the inner profile of the auxiliary retention structure at the lingual side is matched with the outer profile of the auxiliary forcing device at the lingual side.
The tongue side auxiliary force applying device is made of alloy materials.
The tongue side auxiliary stressing device is connected with the tongue side auxiliary fixing structure in a welding or inserting mode; when the tongue-shaped auxiliary fixing structure is used as an inserting mode, a plurality of convex pieces are arranged on the inner sides of the two end parts, grooves matched with the convex pieces are arranged on the corresponding positions of the tongue-shaped auxiliary fixing structure, and the tongue-shaped auxiliary fixing structure are fixed after being inserted.
The lingual auxiliary stressing device at the positions of the central incisor and the lateral incisor is arranged on the lingual side; the lingual auxiliary force applying device at the molar position also comprises a partial or complete dental crown side. Furthermore, in order to avoid the difficulty in closing the upper and lower teeth due to the thickness of the auxiliary lingual force application device, a hole is formed in the auxiliary lingual force application device corresponding to the high position of the crown.
A composite dental socket type appliance with various mechanical characteristics comprises a plurality of continuous or discontinuous composite dental socket type appliance units with various mechanical characteristics.
The preparation method of the composite type tooth socket type appliance comprises the following steps:
(1) acquiring a three-dimensional digital model of dentition and tooth form of a patient;
(2) segmenting each tooth into a movable independent digital model;
(3) designing a correction scheme, and arranging dentition to a target position;
(4) printing a model of tooth movement of each appliance unit;
(5) analyzing the tooth movement form and the stress characteristics, and designing a corresponding auxiliary force application device;
(6) processing a nickel-titanium or stainless steel alloy material auxiliary force application device, combining the auxiliary force application device with a target model, and installing an auxiliary retention device on the basis;
(7) the outer facing is made by thermoplastic molding or 3D printing.
In the step (5), the auxiliary force applying device is arranged on the lingual side surface of the tooth, the occlusal surface and/or the buccal side surface of the posterior tooth, so that the influence on the appearance caused by the large amount of the auxiliary force applying device on the anterior labial side is avoided.
The invention has the following technical effects:
(1) the most important characteristics of the transparent tooth socket are not changed: bracket-free, transparent (especially anterior labial), comfortable;
(2) the mechanical characteristics of the tooth socket are improved, and the advantages of the alloy material are combined with the transparent tooth socket;
(3) the tooth socket can be made of softer and more adhesive materials, and mainly plays a role in fixing the alloy stressing device.
(4) The times that the patient goes to the mouthpiece adjusted in the hospital in the process of correcting the transparent mouthpiece can be obviously reduced; i.e. the mouthpiece at each stage is used for a longer time. Can be adjusted once in about 1 month.
Drawings
FIG. 1 is a schematic diagram of a typical case of the prior art;
FIG. 2 is a diagram of a typical case two in the prior art;
FIG. 3 is a schematic structural view (exploded state) of the present invention;
FIG. 4 is a schematic structural view (installation state) of the present invention;
in the figure: 10. a lingual auxiliary retention structure; 11. a groove; 20. a lingual auxiliary force application device; 21. a male member; 22. and (4) holes.
FIG. 5 is a diagram illustrating an exemplary embodiment of the present invention;
FIG. 6 is a diagram illustrating a second exemplary embodiment of the present invention;
fig. 7 is a schematic diagram of a typical case three according to the embodiment of the present invention.
Detailed Description
The technical features of the present invention will be further explained with reference to the accompanying drawings and specific embodiments.
Typical prior art case 1: as shown in fig. 1, the hazards are: 1. at the position indicated by the hollow arrow, extra pressure is generated between the tooth root and the alveolar bone, so that bone absorption and tooth root absorption are caused; 2. the teeth are inclined inward more than ideal in the direction indicated by the solid arrows, which not only affects the beauty, but also interferes the jaw movement, resulting in arthrosis.
The reason is as follows: 1. in the initial state, the tooth socket is narrowed due to the fact that No. 4 teeth are lost or pulled out, the inner portion of the tooth socket is not supported, strength is weak, the tooth socket is undesirably deformed at the position, and the acting force direction is changed. 2. For example, when the tooth number 1 is stressed, the edge of the tooth is tilted, so that the stress position is not good. The adduction force and resistance are not in the same plane, and the rotation trend is generated, so that the tooth socket is deformed. The edge is raised and the action point moves further downwards.
Typical prior art case 2: movement targeting the dotted line position, as shown in figure 2, requires a constant vertical force and the mouthpiece force requires a fulcrum to provide support. When the distance between the pivot points is short, the supporting force is small due to the short force arm; when the fulcrum is far away, the dental mouthpiece material decays, and the orthodontic force which is soft and stable for a long time cannot be provided.
As can be seen from fig. 1 and 2, the rigidity and elasticity of the bracket-less invisible appliance cause corresponding problems for its application.
A composite dental shell appliance unit having various mechanical properties as shown in fig. 3 and 4, comprising: the auxiliary tongue side fixing structure is designed and manufactured by computer assistance, and is sleeved outside the orthodontic teeth; the auxiliary tongue side force applying device is arranged on the inner side of the auxiliary tongue side fixing structure; the auxiliary force applying device on the lingual side is attached to at least one part of the auxiliary retention structure on the lingual side; the auxiliary force applying device on the lingual side is provided with a plurality of continuous or discontinuous units.
The dental shell appliance unit has a plurality of groups, and is counted as: the unit 1 and the unit 2 … … are designed by computer assistance and are a sequence of continuous correction devices.
At least one part of the inner profile of the auxiliary retention structure at the lingual side is matched with the outer profile of the auxiliary forcing device at the lingual side.
The tongue side auxiliary force applying device is made of alloy materials.
The tongue side auxiliary force applying device is connected with the tongue side auxiliary fixing structure in a welding or inserting mode; when the tongue-shaped auxiliary fixing structure is used as an inserting mode, a plurality of convex pieces are arranged on the inner sides of the two end parts, grooves matched with the convex pieces are arranged on the corresponding positions of the tongue-shaped auxiliary fixing structure, and the tongue-shaped auxiliary fixing structure are fixed after being inserted.
The lingual auxiliary stressing device at the positions of the central incisor and the lateral incisor is arranged on the lingual side; the lingual auxiliary force applying device at the molar position also comprises a partial or complete dental crown side. Furthermore, in order to avoid the difficulty in closing the upper and lower teeth due to the thickness of the auxiliary lingual force application device, a hole is formed in the auxiliary lingual force application device corresponding to the high position of the crown.
The preparation method of the composite type tooth socket type appliance comprises the following steps: acquiring a three-dimensional STL model of dentition and tooth morphology of a patient; segmenting each tooth into a movable independent STL model; designing a correction scheme, and arranging dentition to a target position; printing a model of tooth movement of each appliance unit; analyzing the tooth movement form and the stress characteristics, and designing a corresponding auxiliary force application device; processing an auxiliary force application device made of nickel-titanium or stainless steel alloy materials, combining the auxiliary force application device with a target model, and installing an auxiliary retention device on the basis; the outer shell is made by thermoplastic molding or 3D printing. The auxiliary force applying device is arranged on the lingual side surface of the teeth, the occlusal surface and/or the buccal side surface of the posterior teeth, so that the influence on the appearance caused by the large amount of the auxiliary force applying device on the anterior labial side is avoided.
As shown in fig. 5, different types of alloys and braces in the fixed correction are combined, so that the advantages of the two can be considered to a great extent, the treatment effect is improved, the safety is improved, and complications are reduced.
As shown in figure 6, the lingual side of the tooth socket is supported by the alloy material, and the lingual side 2/3 area of the posterior occlusal surface is covered, so that the cusp is hollowed out to reduce the foreign body sensation during occlusion.
As shown in fig. 7, when the individual teeth are severely dislocated, support is added to the lingual side and the posterior buccal side of the mouthpiece, thereby preventing excessive deformation of the weak portion. And meanwhile, the traction hook is welded to facilitate traction of the dislocation teeth.
The tooth correction is carried out through the technical scheme of the invention, and the mechanical properties of the bracket-free invisible corrector are improved through the composite application of various materials: to the removal form of the different stages of correcting, tooth, design the supplementary thrust augmentation device of different materials and structure to the purpose that is close to lasting, gentle just abnormal power more increases the correction efficiency that the stealthy correction of bracket of no support is held, improves the security, reduces the complication. In addition, in the using process, due to the support of the tongue side auxiliary force applying device, the decay of the integral composite type tooth socket type orthodontic appliance is small, and the long-term soft and stable orthodontic force can be provided. The orthopedic patients can go to the hospital for adjustment about 1-2 months, so that the time cost is greatly reduced.
Although some specific embodiments of the present invention have been described in detail by way of examples, it should be understood by those skilled in the art that the above examples are for illustrative purposes only and are not intended to limit the scope of the present invention. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the invention. The scope of the invention is defined by the appended claims.
Claims (9)
1. A composite shell appliance unit with multiple mechanical properties, comprising:
the auxiliary tongue side fixing structure is designed and manufactured by computer assistance, and is sleeved outside the orthodontic tooth;
the auxiliary tongue side force applying device is arranged on the inner side of the auxiliary tongue side fixing structure; the auxiliary force applying device on the lingual side is attached to at least one part of the auxiliary retention structure on the lingual side;
the auxiliary force applying device on the lingual side is provided with a plurality of continuous or discontinuous units.
2. The composite shell appliance unit of claim 1, wherein the composite shell appliance unit has a plurality of mechanical properties, and wherein: the dental shell appliance unit has a plurality of groups, and is counted as: the unit 1 and the unit 2 … … are designed by computer assistance and are a sequence of continuous correction devices.
3. The composite mouthpiece appliance unit of claim 1 having multiple mechanical properties, wherein: at least one part of the inner profile of the auxiliary retention structure at the lingual side is matched with the outer profile of the auxiliary forcing device at the lingual side.
4. The composite shell appliance unit of claim 1, wherein the composite shell appliance unit has a plurality of mechanical properties, and wherein: the tongue side auxiliary force applying device is made of alloy materials.
5. The composite shell appliance unit of claim 1, wherein the composite shell appliance unit has a plurality of mechanical properties, and wherein: the tongue side auxiliary force applying device is connected with the tongue side auxiliary fixing structure in a welding or inserting mode; when the tongue-shaped auxiliary fixing structure is used as an inserting mode, a plurality of convex pieces are arranged on the inner sides of the two end parts, grooves matched with the convex pieces are arranged on the corresponding positions of the tongue-shaped auxiliary fixing structure, and the tongue-shaped auxiliary fixing structure are fixed after being inserted.
6. The composite shell appliance unit of claim 1, wherein the composite shell appliance unit has a plurality of mechanical properties, and wherein: the lingual auxiliary stressing device at the positions of the central incisor and the lateral incisor is arranged on the lingual side; the lingual auxiliary force applying device at the molar position also comprises a partial or complete dental crown side. Furthermore, in order to avoid the difficulty in closing the upper and lower teeth due to the thickness of the auxiliary lingual force application device, a hole is formed in the auxiliary lingual force application device corresponding to the high position of the crown.
7. The utility model provides a ware is rescued to compound dental socket formula with multiple mechanical properties which characterized in that: the composite dental appliance unit comprises a plurality of continuous or discontinuous composite dental appliance units with a plurality of mechanical properties of any one of claims 1 to 6.
8. The method of making a composite shell appliance of claim 7 having multiple mechanical properties, wherein: the method comprises the following steps:
(1) acquiring a three-dimensional digital model of dentition and tooth form of a patient;
(2) segmenting each tooth into a movable independent digital model;
(3) designing a correction scheme, and arranging dentition to a target position;
(4) printing a model of tooth movement of each appliance unit;
(5) analyzing the tooth movement form and the stress characteristics, and designing a corresponding auxiliary force application device;
(6) processing an auxiliary force application device made of nickel-titanium or stainless steel alloy materials, combining the auxiliary force application device with a target model, and installing an auxiliary retention device on the basis;
(7) the outer shell is made by thermoplastic molding or 3D printing.
9. The method for preparing a composite type mouthpiece appliance with various mechanical properties as claimed in claim 8, wherein: in the step (5), the auxiliary force applying device is arranged on the lingual side surface of the tooth, the occlusal surface and/or the buccal side surface of the posterior tooth, so that the influence on the appearance caused by the large amount of the auxiliary force applying device on the anterior labial side is avoided.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210551951.2A CN115054387A (en) | 2022-05-20 | 2022-05-20 | Composite dental shell type appliance with various mechanical characteristics |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210551951.2A CN115054387A (en) | 2022-05-20 | 2022-05-20 | Composite dental shell type appliance with various mechanical characteristics |
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| Publication Number | Publication Date |
|---|---|
| CN115054387A true CN115054387A (en) | 2022-09-16 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210551951.2A Pending CN115054387A (en) | 2022-05-20 | 2022-05-20 | Composite dental shell type appliance with various mechanical characteristics |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070184398A1 (en) * | 2002-05-31 | 2007-08-09 | Cronauer Edward A | Orthodontic appliance with embedded wire for moving teeth |
| CN102670313A (en) * | 2011-03-10 | 2012-09-19 | 常州高新技术产业开发区三维工业技术研究所有限公司 | Combined tooth correcting device |
| CN205433946U (en) * | 2015-12-24 | 2016-08-10 | 四川西康网络科技有限公司 | Orthodontics system |
| CN110013332A (en) * | 2019-05-23 | 2019-07-16 | 四川大学 | A kind of auxiliary bow invisible orthotic device of cat shape |
| CN213283486U (en) * | 2020-08-15 | 2021-05-28 | 深圳爱美适科技有限公司 | Invisible appliance |
| WO2021251421A1 (en) * | 2020-06-09 | 2021-12-16 | 漢俊 金 | Mouthpiece-type removable corrective device |
| CN114052953A (en) * | 2021-11-22 | 2022-02-18 | 四川大学 | Orthodontic composite appliance, processed semi-finished product and processing method thereof |
| CN114246697A (en) * | 2020-09-22 | 2022-03-29 | 正雅齿科科技(上海)有限公司 | Design method and preparation method of tooth correcting system |
-
2022
- 2022-05-20 CN CN202210551951.2A patent/CN115054387A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070184398A1 (en) * | 2002-05-31 | 2007-08-09 | Cronauer Edward A | Orthodontic appliance with embedded wire for moving teeth |
| CN102670313A (en) * | 2011-03-10 | 2012-09-19 | 常州高新技术产业开发区三维工业技术研究所有限公司 | Combined tooth correcting device |
| CN205433946U (en) * | 2015-12-24 | 2016-08-10 | 四川西康网络科技有限公司 | Orthodontics system |
| CN110013332A (en) * | 2019-05-23 | 2019-07-16 | 四川大学 | A kind of auxiliary bow invisible orthotic device of cat shape |
| WO2021251421A1 (en) * | 2020-06-09 | 2021-12-16 | 漢俊 金 | Mouthpiece-type removable corrective device |
| CN213283486U (en) * | 2020-08-15 | 2021-05-28 | 深圳爱美适科技有限公司 | Invisible appliance |
| CN114246697A (en) * | 2020-09-22 | 2022-03-29 | 正雅齿科科技(上海)有限公司 | Design method and preparation method of tooth correcting system |
| CN114052953A (en) * | 2021-11-22 | 2022-02-18 | 四川大学 | Orthodontic composite appliance, processed semi-finished product and processing method thereof |
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