CN106420080A - Base, dental prosthesis and making method of base - Google Patents
Base, dental prosthesis and making method of base Download PDFInfo
- Publication number
- CN106420080A CN106420080A CN201610744379.6A CN201610744379A CN106420080A CN 106420080 A CN106420080 A CN 106420080A CN 201610744379 A CN201610744379 A CN 201610744379A CN 106420080 A CN106420080 A CN 106420080A
- Authority
- CN
- China
- Prior art keywords
- base station
- planting body
- geometric center
- face
- described base
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C8/00—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools
- A61C8/0048—Connecting the upper structure to the implant, e.g. bridging bars
- A61C8/005—Connecting devices for joining an upper structure with an implant member, e.g. spacers
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C13/00—Dental prostheses; Making same
- A61C13/0003—Making bridge-work, inlays, implants or the like
- A61C13/0004—Computer-assisted sizing or machining of dental prostheses
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C13/00—Dental prostheses; Making same
- A61C13/0003—Making bridge-work, inlays, implants or the like
- A61C13/0006—Production methods
- A61C13/0019—Production methods using three dimensional printing
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C13/00—Dental prostheses; Making same
- A61C13/01—Palates or other bases or supports for the artificial teeth; Making same
Abstract
The invention provides a base, a dental prosthesis and a making method of the base. The base comprises a base body, and the horizontal cross section of the base body is of a non-circular structure. According to the technical scheme, the problem that in the prior art, stress is concentrated when a base and an implant are matched is effectively solved.
Description
Technical field
The present invention relates to the technical field of dental case, in particular to a kind of base station, dental case and base station
Preparation method.
Background technology
Personalized root shape planting body (custom-made root analogue implant, RAI) is based on missing tooth
The planting body that root form makes, it is adaptable to because the not serious immediate implant reparations suffering from tooth of absorption of alveolar bone such as wound.
Compared with tradition root cylindricality planting body, personalized root shape planting body has the advantage that:1st, teeth socked bone wall is more identical,
Without additionally filling up the space between teeth socked and implant with bone material;2nd, without preparing implant holes step by step, after Wicresoft's exodontia
At once implant, finger pressure and rap in place;3rd, operation technique is simple, reduces operating time, expense and risk, and clinician holds
Easily grasping, patient's subjective feeling is comfortable.
When the stress elastomer tension of perforate, at circular hole or incision, stress can drastically locally increase, but is leaving
Slightly at a distance, stress reduces rapidly and tends to uniform for circular hole limit or otch, and this phenomenon is exactly that stress is concentrated.Stress raiser is often
Being the starting point of component damage, it is the principal element causing component damage that stress is concentrated.Stress concentration phenomenon is prevalent in respectively
Planting in component, the malicious event of major part component is concentrated by stress and is caused.Therefore, the safe handling in order to ensure component,
Improve quality and the economic benefit of product, it is necessary to scientifically process the problem of stress concentration of component.
Personalized root shape planting body has irregular profile, as designed traditional cylindrical base station, then and can not be with plantation
External shape is fully mated, it may appear that local plantation body wall crosses thin and that remaining plantation body wall is blocked up problem, and blocked up part can not
Making full use of, excessively thin part easily occurs that stress is concentrated, and the risk causing planting body to fracture is higher.
Content of the invention
Present invention is primarily targeted at the preparation method that a kind of base station, dental case and base station are provided, existing to solve
The problem that stress when having the base station in technology and planting body to match is concentrated.
To achieve these goals, according to an aspect of the invention, it is provided a kind of base station includes:Base station, base station
Level cross-sectionn is non-circular structure.
Further, the cross-sectional area of the first end of base station is more than the cross-sectional area of the second end of base station.
Further, base station is oval, the geometric center point of the first end face of base station and the second end face of base station several
What line of central point and the angle of vertical curve are θ, and the value of θ is between 0 degree to 10 degree.
Further, base station is oval, the geometric center of the cross section of the first end of base station and the second end of base station
The geometric center of cross section has preset distance in the projection of vertical direction.
Further, base station includes stub end and the little head end corresponding with stub end, the geometry of the first end face of base station
Center is close big at the subpoint of vertical direction relative to the geometric center of the second end face of base station at the subpoint of vertical direction
Head end.
Further, the axis of the first end face of base station is at the axle projecting the second end face relative to base station of vertical direction
Line is parallel and misaligned in the projection of vertical direction.
Further, the distance in the direction along central shaft for the preset distance is 0.3mm to 3mm.
Further, preset distance is 0.1mm to 1mm in the distance of vertical centre direction of principal axis.
According to a further aspect in the invention, providing a kind of dental case, including planting body, base station and corona, base station is
Above-mentioned base station, corona is connected with the first end of base station, and planting body is connected with the second end of base station.
According to a further aspect in the invention, the preparation method of a kind of base station is additionally provided, for making above-mentioned base station, system
Include as method:The planting body made is scanned;It is non-circular base station according to scanning result production technique cross section.
Further, also needed to before the planting body that scanning is made:Labiad side is designed on planting body threedimensional model
The base station of skew;Make planting body base substrate;Planting body base substrate is processed grinding to form planting body.
Further, the method that planting body base substrate uses 3D to print is made.
Further, the processing of planting body base substrate is ground to form planting body to include:Use the cutting of car pin;Grinder is used to grind
Mill.
Further, the method making base station also includes:According to scanning result, use CAD-CAM turning base station base substrate.
Further, base station base substrate is polished make base station.
Application technical scheme, the level cross-sectionn of base station is non-circular, due to tooth stress in use simultaneously
Not being equally distributed, non-circular structure meets when the power that base station acts on planting body is unbalanced, the bigger portion of stress
Position is thicker, and the less position of stress is relatively thin, and the base station of said structure reduces the risk that fractures of planting body.The skill of the application present invention
The problem that stress when art scheme efficiently solves base station of the prior art and planting body matches is concentrated.
Brief description
A part of Figure of description constituting the application is used for providing a further understanding of the present invention, and the present invention shows
Meaning property embodiment and explanation thereof are used for explaining the present invention, are not intended that inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 shows the schematic front view of the embodiment of the base station according to the present invention;
Fig. 2 shows the schematic top plan view of the base station of Fig. 1;
Fig. 3 shows the geometric center of the geometric center of the first end of base station and the second end of base station when not offseting
Tongue side stress schematic diagram;
Fig. 4 shows the geometric center of the geometric center of the first end of base station and the second end of base station when not offseting
Lip side stress schematic diagram;
Fig. 5 shows the geometric center of the geometric center of the first end of base station and the second end of base station when not offseting
Lateral force schematic diagram;
Fig. 6 shows that the geometric center of the first end of base station offsets to tongue side relative to the geometric center of the second end of base station
Distribution of force figure during 0.2mm;And
Fig. 7 shows that the geometric center of the first end of base station offsets relative to the geometric center labiad side of the second end of base station
Distribution of force figure during 0.2mm.
Wherein, above-mentioned accompanying drawing includes that the following drawings marks:
10th, base station.
Detailed description of the invention
It should be noted that in the case of not conflicting, the embodiment in the application and the feature in embodiment can phases
Combination mutually.Describe the present invention below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
It it is noted that described further below is all exemplary, it is intended to provide further instruction to the application.Unless it is another
Indicating, all technology used herein and scientific terminology have usual with the application person of an ordinary skill in the technical field
The identical meanings understanding.
For the ease of describing, space relative terms here can be used, as " ... on ", " ... top ",
" at ... upper surface ", " above " etc., be used for describing such as a device shown in the figure or feature and other devices or spy
The spatial relation levied.It should be appreciated that space relative terms is intended to comprise except the described in the drawings orientation of device
Outside different azimuth in use or operation.For example, it if the device in accompanying drawing is squeezed, then is described as " at other devices
Part or construction above " or " other devices or construction on " device after will be positioned as " other devices or construct under
Side " or " under other devices or construction ".Thus, exemplary term " ... top " can include " ... top " and
" in ... lower section " two kinds of orientation.This device also can with other different modes positioning (90-degree rotation or be in other orientation), and
And space used herein above described relatively make respective explanations.
Now, it is more fully described with reference to the accompanying drawings according to an illustrative embodiment of the invention.But, these are exemplary
Embodiment can be implemented by multiple different forms, and should not be construed to be limited solely to embodiment party set forth herein
Formula.It should be appreciated that these embodiments are provided so that disclosure of the invention is thorough and complete, and these are shown
The design of example embodiment is fully conveyed to those of ordinary skill in the art, in the accompanying drawings, for the sake of clarity, expands layer
With the thickness in region, and make to be presented with like reference characters identical device, thus description of them will be omitted.
As depicted in figs. 1 and 2, the base station of the present embodiment includes:Base station 10.The level cross-sectionn of base station 10 is non-circular knot
Structure.
The technical scheme of application the present embodiment, the level cross-sectionn of base station 10 is non-circular, owing to tooth is subject in use
Power is not equally distributed, and non-circular structure meets when the power that base station acts on planting body is unbalanced, and stress is bigger
Position thicker, the less position of stress is relatively thin, and the base station of said structure reduces the risk that fractures of planting body.Apply this enforcement
The problem that stress when the technical scheme of example efficiently solves base station of the prior art and planting body matches is concentrated.
As it is shown in figure 1, in the technical scheme of the present embodiment, the cross-sectional area of the first end of base station 10 is more than base station 10
The cross-sectional area of the second end.The base station 10 of up big and down small structure makes base station 10 easily coordinate when planting into planting body, i.e. base station
10 more firmly make base station 10 and planting body tightr towards planting body direction.
As it is shown in figure 1, in the technical scheme of the present embodiment, base station 10 is oval, the first end face of base station 10 several
The line of geometric center point of the second end face of what central point and base station 10 and the angle of vertical curve are θ, and the value of θ is at 0 degree extremely
Between 10 degree.Said structure is different from the geometric center point of the first end face of the prior art and the geometric center point of the second end face
Vertical structure, the structure of prior art makes base station 10 act on the power substantially vertically transmission of planting body, and this enforcement
In example, the geometric center of the second end face of the geometric center of the first end face of base station 10 and base station 10 has certain angle, such energy
The enough power that base station 10 acts on planting body is decomposed, and so makes the stress of planting body more balance.Specifically, the taking of θ
Value is 1.44 degree.
As in figure 2 it is shown, in the technical scheme of the present embodiment, base station 10 is oval, the first end of base station 10 transversal
The geometric center of the cross section of the second end of the geometric center in face and base station 10 has preset distance in the projection of vertical direction.On
State structure and ensure that the active force acting on base station 10 can decompose when being transferred to planting body, which reduce base station 10 and act on
Power on planting body there will be the situation that stress is concentrated.
Specifically, in the technical scheme of the present embodiment, base station 10 includes stub end and the microcephaly corresponding with stub end
End, the geometric center of the first end face of base station 10 at the subpoint of vertical direction relative in the geometry of the second end face of base station 10
The heart at the subpoint of vertical direction near stub end.Said structure ensure that geometric center and the base station of the first end face of base station 10
Between the geometric center of second end face of 10, there is distance vertically.
Specifically, in the technical scheme of the present embodiment, the axis of the first end face of base station 10 is in the projection of vertical direction
Parallel and misaligned in the projection of vertical direction relative to the axis of the second end face of base station 10.Said structure ensure that base station 10
The geometric center of the first end face and base station 10 the second end face geometric center between have and be perpendicular to axial distance.Above-mentioned
Distance vertically and to be perpendicular to the distribution of the active force that axial distance makes base station 10 act on planting body more reasonable.
As in figure 2 it is shown, in the technical scheme of the present embodiment, the distance in the direction along major axis for the preset distance is 0.3mm
To 3mm.Specifically, preferentially choosing 1mm in the present embodiment, when along a length of above-mentioned value of long axial direction, base station 10 is made
Stress distribution effect for planting body is preferable.
As in figure 2 it is shown, in the technical scheme of the present embodiment, preset distance is 0.1mm in vertically long axial distance
To 1mm.Specifically, 0.2mm, when vertically long axial a length of above-mentioned value, base station 10 are preferentially chosen in the present embodiment
The stress distribution effect acting on planting body is preferable.
Present invention also provides a kind of dental case.The embodiment of the dental case according to the application includes planting body, base
Platform and corona.Base station is above-mentioned base station 10, and corona is connected with the first end of base station 10, the second end of planting body and base station 10
It is connected.The dental case of said structure, distribution of force is more uniform, and dental case uses the cycle longer.
Present invention also provides the preparation method of a kind of base station.The preparation method of the base station according to the application is for making
The base station stated, preparation method includes:The planting body made is scanned.It is non-according to scanning result production technique cross section
Circular base station.Specifically, the level cross-sectionn of base station 10 is oval.
In the technical scheme of the present embodiment, also needed to before the planting body that scanning is made:At the three-dimensional mould of planting body
The base station of labiad side skew is designed in type.Make planting body base substrate.Planting body base substrate is processed grinding to form planting body.
In the technical scheme of the present embodiment, make the method that planting body base substrate uses 3D to print.
In the technical scheme of the present embodiment, the processing of planting body base substrate is ground to form planting body and includes:Use the cutting of car pin.
Grinder is used to grind.The planting body machining accuracy so making is high.
In the technical scheme of the present embodiment, the method making base station also includes:According to scanning result, use CAD-CAM
Turning base station base substrate.
In the technical scheme of the present embodiment, base station base substrate is polished make base station 10.The base of above-mentioned steps processing
Platform 10 coordinates preferably with planting body, and machining accuracy is higher.
As can be seen from the above description, the above embodiments of the present invention achieve following technique effect:
The base station center of the personalized root shape planting body in the present invention is misaligned with planting body center, effectively alleviates kind
The stress of implant tongue side part is concentrated.By base station center is deviateed planting body center, slightly sharp-pointed away from planting body tongue side
Part, the stress effectively alleviating planting body tongue side part is concentrated.
It is that in experiment, the data of force are to the distribution of force figure under several structures of base station as shown in Fig. 3 to Fig. 7:Hang down
Straight 100N/ palate side 50N load.Specifically, the feelings that Fig. 3 is the top geometric center of base station and geometric center skew in bottom is 0mm
Under condition, the distribution of force figure of the tongue side of base station, Fig. 4 is the top geometric center of base station and geometric center skew in bottom is 0mm
In the case of, the distribution of force figure of the lip side of base station, Fig. 5 is the top geometric center of base station and geometric center skew in bottom is 0mm
In the case of, the distribution of force figure of the sidepiece of base station.Fig. 6 be the bottom of base station geometric center relative to top geometric center to
In the case of the skew 0.2mm of tongue side, the distribution of force figure of base station, Fig. 7 is that the geometric center of base station bottom is relative to top geometry
In the case of the skew 0.2mm of center labiad side, the distribution of force figure of base station.From Fig. 3 to Fig. 7 it can be seen that the bottom of base station is several
In the case that what center is relative to top geometric center labiad side skew 0.2mm, base station stress ratio is more uniform.
The design of base station labiad side skew 0.2mm, base station, planting body, bone interface Von Mises stress relatively offset 0mm's
Design, the former Von Mises stress is less, and stress distribution is evenly.
Base station is to the design of palate side skew 0.2mm, and base station, bone interface Von Mises stress relatively offset the design of 0mm, front
Person's Von Mises stress is bigger.
The design of base station labiad side skew 0.2mm, the maximum Von Mises stress of base station, planting body, bone interface relatively offsets
The design of 0mm, the former Von Mises stress is less, and stress distribution is evenly.Base station is to the design of palate side skew 0.2mm, base
Platform, bone interface Von Mises stress are the highest in three groups.
The dissection profile of people's eye tooth:Lip side is relatively round blunt, and palate side is more sharp-pointed.To erose planting body, base station
If timing locations should be slightly away from the more sharp-pointed position in palate side, to drop stress concentration.
It should be noted that term used herein above merely to describe detailed description of the invention, and be not intended to restricted root
Illustrative embodiments according to the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative
Be also intended to include plural form, additionally, it should be understood that, when use in this manual term "comprising" and/or " bag
Include " when, it indicates existing characteristics, step, operation, device, assembly and/or combinations thereof.
It should be noted that term " first " in description and claims of this specification and above-mentioned accompanying drawing, "
Two " it is etc. for distinguishing similar object, without being used for describing specific order or precedence.Should be appreciated that so use
Data can exchange in the appropriate case, in order to embodiments of the present invention described herein for example can be with except here
Order beyond those of diagram or description is implemented.Additionally, term " includes " and " having " and their any deformation, it is intended that
It is to cover non-exclusive comprising, for example, contain process, method, system, product or the equipment of series of steps or unit not
Be necessarily limited to those steps or the unit clearly listed, but can include clearly not listing or for these processes, side
Other intrinsic steps of method, product or equipment or unit.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.All within the spirit and principles in the present invention, that is made any repaiies
Change, equivalent, improvement etc., should be included within the scope of the present invention.
Claims (15)
1. a base station, it is characterised in that include:
Base station (10), the level cross-sectionn of described base station (10) is non-circular structure.
2. base station according to claim 1, it is characterised in that the cross-sectional area of the first end of described base station (10) is more than institute
State the cross-sectional area of the second end of base station (10).
3. base station according to claim 1, it is characterised in that described base station (10) is oval, described base station (10)
The line of the geometric center point of the second end face of the geometric center point of the first end face and described base station (10) and the angle of vertical curve
For θ, the value of described θ is between 0 degree to 10 degree.
4. base station according to claim 1, it is characterised in that described base station (10) is oval, described base station (10)
The geometric center of the cross section of the second end of the geometric center of the cross section of the first end and described base station (10) is in vertical direction
Projection has preset distance.
5. base station according to claim 4, it is characterised in that described base station (10) include stub end and with described stub end
Corresponding little head end, the geometric center of the first end face of described base station (10) at the subpoint of vertical direction relative to described base
The geometric center of the second end face of platform (10) at the subpoint of vertical direction near described stub end.
6. base station according to claim 5, it is characterised in that the axis of the first end face of described base station (10) is in vertical side
To projection parallel and misaligned in the projection of vertical direction relative to the axis of the second end face of described base station (10).
7. the base station according to according to any one of claim 4 to 6, it is characterised in that described preset distance is along central shaft
The distance in direction is 0.3mm to 3mm.
8. the base station according to according to any one of claim 4 to 6, it is characterised in that described preset distance is at vertical center axis
The distance in direction is 0.1mm to 1mm.
9. a dental case, including planting body, base station and corona, it is characterised in that described base station is in claim 1 to 8
Base station (10) described in any one, described corona is connected with the first end of described base station (10), described planting body and described base
Second end of platform (10) is connected.
10. the preparation method of a base station, it is characterised in that for making the base station according to any one of claim 1 to 8,
Described preparation method includes:
The planting body made is scanned;
It is non-circular base station (10) according to scanning result production technique cross section.
11. preparation methods according to claim 10, it is characterised in that also needed before the planting body that scanning is made
Want:
The base station (10) of labiad side skew is designed on planting body threedimensional model;
Make planting body base substrate;
Described planting body base substrate is processed grinding to form planting body.
12. preparation methods according to claim 11, it is characterised in that make described planting body base substrate and use 3D to print
Method.
13. preparation methods according to claim 12, it is characterised in that the processing of described planting body base substrate is ground to form plantation
Body includes:
Use the cutting of car pin;
Grinder is used to grind.
14. preparation methods according to claim 10, it is characterised in that the method for described making base station also includes:
According to scanning result, use CAD-CAM turning base station base substrate.
15. preparation methods according to claim 14, it is characterised in that base station base substrate is polished make base station
(10).
Priority Applications (1)
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CN201610744379.6A CN106420080A (en) | 2016-08-26 | 2016-08-26 | Base, dental prosthesis and making method of base |
Applications Claiming Priority (1)
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CN201610744379.6A CN106420080A (en) | 2016-08-26 | 2016-08-26 | Base, dental prosthesis and making method of base |
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Publication Number | Publication Date |
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CN106420080A true CN106420080A (en) | 2017-02-22 |
Family
ID=58182343
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CN201610744379.6A Pending CN106420080A (en) | 2016-08-26 | 2016-08-26 | Base, dental prosthesis and making method of base |
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CN103458820A (en) * | 2011-03-28 | 2013-12-18 | 奥齿泰有限责任公司 | Dental implant abutment and method for manufacturing same |
CN103550002A (en) * | 2013-11-18 | 2014-02-05 | 大连三生科技发展有限公司 | Artificial dental abutment, artificial dental multi-part implanting system and implanting method |
CN203763276U (en) * | 2014-03-17 | 2014-08-13 | 苏莹 | Implant tooth imitation healing abutment |
CN104825241A (en) * | 2015-05-27 | 2015-08-12 | 孙冬磊 | Anatomic root-shaped implant, dental prosthesis with same and method for manufacturing dental prosthesis |
CN105640658A (en) * | 2016-03-21 | 2016-06-08 | 吴大怡 | Upper base platform of bone plane implant |
CN105852998A (en) * | 2016-05-12 | 2016-08-17 | 中国人民解放军第四军医大学 | Automatic CAD/CAM/3D processing method of dental prostheses |
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2016
- 2016-08-26 CN CN201610744379.6A patent/CN106420080A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103458820A (en) * | 2011-03-28 | 2013-12-18 | 奥齿泰有限责任公司 | Dental implant abutment and method for manufacturing same |
CN103550002A (en) * | 2013-11-18 | 2014-02-05 | 大连三生科技发展有限公司 | Artificial dental abutment, artificial dental multi-part implanting system and implanting method |
CN203763276U (en) * | 2014-03-17 | 2014-08-13 | 苏莹 | Implant tooth imitation healing abutment |
CN104825241A (en) * | 2015-05-27 | 2015-08-12 | 孙冬磊 | Anatomic root-shaped implant, dental prosthesis with same and method for manufacturing dental prosthesis |
CN105640658A (en) * | 2016-03-21 | 2016-06-08 | 吴大怡 | Upper base platform of bone plane implant |
CN105852998A (en) * | 2016-05-12 | 2016-08-17 | 中国人民解放军第四军医大学 | Automatic CAD/CAM/3D processing method of dental prostheses |
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Application publication date: 20170222 |