CN104400660B - Titanium alloy as tooth implant blast media application - Google Patents
Titanium alloy as tooth implant blast media application Download PDFInfo
- Publication number
- CN104400660B CN104400660B CN201410579143.2A CN201410579143A CN104400660B CN 104400660 B CN104400660 B CN 104400660B CN 201410579143 A CN201410579143 A CN 201410579143A CN 104400660 B CN104400660 B CN 104400660B
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- Prior art keywords
- sand
- sandblasting
- planting body
- operating room
- implant
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C1/00—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C11/00—Selection of abrasive materials or additives for abrasive blasts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C3/00—Abrasive blasting machines or devices; Plants
- B24C3/02—Abrasive blasting machines or devices; Plants characterised by the arrangement of the component assemblies with respect to each other
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C9/00—Appurtenances of abrasive blasting machines or devices, e.g. working chambers, arrangements for handling used abrasive material
Abstract
The invention discloses a kind of new purposes of titanium alloy, the application of tooth implant blast media is used as.The invention also discloses a kind of tooth implant sandblasting method of roughening, it comprises the following steps：A, selection titanium alloy are used as blast media；B, planting body cleaning；C, using sand-blasting machine sandblasting.The present invention is used as blast media using titanium alloy T i 6Al 4V, simultaneously using specific sand-blasting machine, abrator head and fixture, both the purpose of roughening implant surface has been reached, has been conducive to strengthening the bond strength between planting body and bone tissue, to reach the purpose for accelerating synosteosis；Turn avoid implant surface after the risk polluted by adverse chemical composition, blasting treatment will not remain the element not being consistent with planting body chemical composition.
Description
Technical field
The present invention relates to a kind of application of titanium alloy as tooth implant blast media.
Background technology
It is the successful standard of plantation with surrounding tissue formation synosteosis in planting body implantation jawbone, but its main component
It is eventually completely different with bone tissue, as bio-inert material, new bone growth can not be induced after implanting, is combined with bone tissue
Weaker, healing time is long.
With the further investigation to planting material, scholars have found, rough surface has more preferable osteoinductive, planting body
Combined with bone tissue it is more firm, plantation long-term effect be better than smooth surface planting body.At present, surface be modified primarily to
Improve wearability, corrosion resistance and the biology performance (including biocompatibility and bioactivity) of implant, be modified by surface
Method is to obtain the rough surface of certain physical aspect, and increase planting body implantation bone tissue partial surface area, i.e. increase is planted
The area that implant is combined with bone tissue, the bond strength between increase planting body and bone tissue reaches the purpose for accelerating synosteosis.
Implant surface roughening method of modifying is divided into two classes, and one is the slurry painting of implant surface coating, such as ceramic coating and titanium
Layer, is referred to as " addition ".It is unstable that its major defect is that coating is combined with entity, easily strips off, gradually abandons at present.Equations of The Second Kind
Referred to as " addition ", it is physically to subtract portion of material formation coarse surface.As blasting treatment, acid corrosion, laser treatment and
Electrolytic etching etc..The method of wherein blasting treatment is simple to operate, and cost is low.Blasting treatment is the alundum (Al2O3) with different-diameter
The blast medias such as particle spray implant surface, prepare the planting body of different surface roughness.Implant surface after processing
Alundum (Al2O3) particle is often remained, and is still having residual after ultrasonic wave is cleaned, acid is passivated and sterilized.Planting body is implanted into
Afterwards, these particulates can be discharged into surrounding tissue and influence the whole combination of bone of planting body (Liu Yang, the precious red implant surfaces of Zhao change
Property the Chinese Practical oral section magazine of Advances in Methods, the 6th phase of volume 3 in June, 2010).The A of Chinese patent CN 103668390
Report and use diamond dust or TiO at normal temperatures2Particle is injected at a high speed the sand-blast of titanium implant surface, and it has impurity
The problems such as element pollution and uneven microstructure.
At present, roughening implant surface is typically using quartz sand, aluminum oxide etc. as blast media, and these media contain
The element not being consistent with planting body chemical composition, though there is postorder processing, after sandblasting, easily occurs residual in implant surface
Stay.
Pure titanium and titanium alloy are because the advantages of its bio-toxicity is low, compatibility is good, physicochemical property is suitable to human body, being widely used
In medical domain, titanium metal implants have also been increasingly becoming the main planting body of clinical oral application.Titanium has two kinds together
Plain abnormity state:Low temperature (882.5 DEG C of ＜) stable state is α types, close-packed hexagonal crystallographic system；High-temperature stable state is β types, and body-centered cubic is brilliant
System.Two kinds of allotrope state conversion temperatures are 882.5 DEG C.Titanium alloy by metastable state phase composition can be divided into α, nearly α, (alpha+beta), nearly β,
Metastable state β and beta titanium alloy.There is nonhomogeneous hardness in the pure titanium material of titanium alloy and planting body, can be as blast media to pure
Titanium implant forms preferable surface coarsening effect.
At present, the titanium alloy applied to planting body mainly has Ti-13Zr-13Nb, Ti-6Al-7Nb, Ti-15Mo, Ti-
(the Chinese patent CN 103668390 such as 6Al-4V, Ti-12Mo-6Zr-2Fe, Ti-35Nb-7Zr-5Ta, Ti-16Nb-10Hf
A), it there are no the report for applying titanium alloy as tooth implant blast media.
The content of the invention
It is an object of the invention to provide a kind of new purposes of titanium alloy.
Titanium alloy as tooth implant blast media application.
The titanium alloy is Ti-6Al-4V.
Another object of the present invention also resides in a kind of tooth implant sandblasting method of roughening of offer, its technological process such as Fig. 1 institutes
Show.
A kind of tooth implant sandblasting method of roughening, it comprises the following steps：
A, selection titanium alloy are used as blast media；
B, planting body cleaning；
C, using sand-blasting machine sandblasting.
In a steps, the titanium alloy is Ti-6Al-4V；Titanium alloy granularity is 60 mesh.
In b step, described kind of plant cleaning method is：In the aqueous solution that planting body is submerged to detergent, vibration, punching
Wash, dry, you can；
The detergent is normal domestic use liquid detergent or other commercial detergents；
In the aqueous solution of the detergent, the volume ratio of detergent and water is 1:30.
In step c, the sand-blasting machine uses the sand-blasting machine for abrasive blasting.
The sand-blasting machine, including inside are disposed with abrator head, enter the operating room of sand flexible pipe and tracheae；
Sand storage bin is provided with below the operating room, operating room, sand storage bin are respectively positioned in housing；
The lower housing portion is the supporting leg positioned at corner, and the bottom of adjacent support legs is connected with reinforcement；
The top surface of the sand storage bin at the top of supporting leg with flushing, and the bottom surface of sand storage bin is higher than supporting leg bottom, one of them
Connection deduster at the top of the inlet suction port of connection compressed air, operating room is fixed with supporting leg, operating room antetheca is provided with sight
Examine window and 2 are stretched out one's hand cloth set；
The cloth set of stretching out one's hand is provided with sideboard, and the sideboard is located at operation chamber interior walls, and operating room side wall is opened up
Have an operating room door, be additionally provided with the wall of operating room side connected between control operation room and deduster/blocking goes out dirt pull bar；
It is described enter sand flexible pipe connected with sand storage bin, the tracheae connects inlet suction port.
The sand-blasting machine also includes the floor push for being used to control sand-blasting machine startup/stopping；
The observation window is windowpane；
The sand storage bin is frustroconical, and its small end is under, and sand storage bin bottom is provided with sand material and changes clean-up port；
One side of the operating room door is connected with sand-blasting machine shell hinge；
It is provided with observation window and the supporting leg stretched out one's hand immediately below cloth set and withholds switch, the switch of withholding is with stretching out one's hand
The sideboard connection of cloth set.
The present invention selects above-mentioned sand-blasting machine, can avoid because metallic grit electrical system breaks down, while being also convenient for behaviour
Make, reduce the pollution to environment.
The abrator head of the sand-blasting machine, including shell and the sand grains import being wrapped in shell, compressed air inlet, sand grains
Ejiction opening, cavity, sleeve pipe；
The sand grains import, compressed air inlet, sand grains ejiction opening are connected with cavity；
The axis of the sand grains ejiction opening is overlapped with the axis of compressed air inlet, sand grains ejiction opening and compressed air inlet
It is located at cavity two ends respectively；
Described sleeve pipe is arranged on sand grains ejiction opening inwall, and described sleeve pipe covers the whole inwall of sand grains ejiction opening.
The internal diameter of described sleeve pipe is 3mm；The material of described sleeve pipe is high-speed steel；
Described sleeve pipe rear end diameter is more than sleeve pipe point diameter, and sleeve pipe rear end is within the cavity, sleeve pipe back end outer surface with
Cavity inner surface is fitted, sleeve pipe rear end and cavity inner surface arc-shaped transition.
The present invention selects above-mentioned abrator head, and air pressure is held time when can extend sandblasting, obtains lasting blasting pressure, concentrates
Sand grains is sprayed in dental implant surface, it is contemplated that effect once reaches, improves operating efficiency.
In step c, the blasting craft comprises the following steps：
(1) suitable fixture clamping planting body is selected, operation storehouse is put into；
(2) during sandblasting, maintenance air pressure is 0.5~0.65MPa；
(3) planting body is removed from fixture.
In step (1), the fixture includes sandblasting panel, rubber mat plate and bottom backing plate overlapping from top to bottom；
The sandblasting panel, rubber mat plate and bottom backing plate are rectangle, and three is detachable by the bolt through corner
Connection；
The sandblasting panel offers through hole A, and the rubber mat plate offers through hole B, through hole A and through hole B position weight
It is folded；
The thickness of the sandblasting panel is adapted with the height of the root of the tooth part of tooth implant, and the aperture of the through hole A is big
Lateral dimension in the root of the tooth part of tooth implant；
The thickness of the rubber mat plate is adapted with the height of the neck part of tooth implant, the inwall of the through hole B with
The neck part of tooth implant is fitted close.
The material of the sandblasting panel is titanium, and the material of the bottom backing plate is titanium or stainless steel；
The through hole A and through hole B have multiple, and in matrix arrangement；
The aperture of the through hole A is 3.8mm, 4.4mm, 4.8mm or 5.6mm.
The present invention select above-mentioned fixture, it is rational in infrastructure, using, convenient disassembly, the energy in dental implant surface blasting treatment
The finish of neck part is effectively protected, while playing clamping action to tooth implant, and protection height can be adjusted, can be same
When surface sand-blasting process is carried out to the tooth implants of multiple, many specifications, production efficiency is high, saves the energy, moreover it is possible to effectively avoid
Pollution.
In step (3), also comprise the steps：
(i) neck of planting body is processed by shot blasting；
(ii) residue of embedded planting body is rejected.
The present invention is using Titanium alloy Ti-6Al-4V as blast media, while using specific sand-blasting machine, abrator head and folder
Tool, has both reached the purpose of roughening implant surface, is conducive to strengthening the bond strength between planting body and bone tissue, is added with reaching
The purpose of fast synosteosis；Turn avoid implant surface after the risk polluted by adverse chemical composition, blasting treatment will not remain
The element not being consistent with planting body chemical composition.
Obviously, according to the above of the present invention, according to the ordinary technical knowledge and customary means of this area, do not departing from
Under the premise of the above-mentioned basic fundamental thought of the present invention, the modification of other diversified forms can also be made, replaces or changes.
The embodiment of form, remakes further specifically to the above of the invention by the following examples
It is bright.But the scope that this should not be interpreted as to above-mentioned theme of the invention is only limitted to following example.It is all to be based on the above of the present invention
The technology realized belongs to the scope of the present invention.
Brief description of the drawings
The process chart of Fig. 1 tooth implant sandblasting method of roughening of the present invention.
The sand-blasting machine structural representation that Fig. 2 present invention is selected.
The abrator head profile that Fig. 3 present invention is selected.
Partition schematic diagram of Fig. 4 present invention from fixture.
The design sketch of Fig. 5 sandblasting method of roughening of the present invention.
Embodiment
The titanium alloy of the present invention of embodiment 1 as tooth implant blast media application
1. prepare before sandblasting
(1) sand grains composition and size
Composition：6Al4V titanium alloys -- TC4 (i.e. Ti-6Al-4V)
Size：60 mesh
(2) planting body is cleaned
In the aqueous solution that planting body is submerged to detergent, the aqueous solution of detergent uses normal domestic use liquid detergent according to 1:30
Ratio add water and be formulated, be subsequently placed in vibration 20min in ultrasonic oscillator, remove implant surface early stage machinery plus
The dirts such as the greasy dirt that work is caused, are rinsed with purified water, drying.
(3) from the sand-blasting machine available for abrasive blasting
Sand-blasting machine structural representation that the present invention is selected as shown in Fig. 2 be disposed with abrator head including inside, enter sand flexible pipe and
The operating room 2 of tracheae, the lower section of operating room 2 is provided with sand storage bin 12, and operating room 2, sand storage bin 12 are respectively positioned in housing 1, the bottom of housing 1
To be connected with reinforcement, top surface and the top of supporting leg 6 of sand storage bin 12 positioned at the bottom of the supporting leg 6 of corner, adjacent support legs 6
Flush, the bottom surface of sand storage bin 12 is higher than the bottom of supporting leg 6, and sand storage bin 12 is frustroconical, and its small end is under, the bottom of sand storage bin 12
Portion is provided with sand material and changes the inlet suction port 5 that connection compressed air is fixed with clean-up port, one of supporting leg 6, operating room 2
Top connects deduster 7, and the antetheca of operating room 2 is provided with observation window 11 and 2 are stretched out one's hand cloth set 4, stretches out one's hand cloth set 4 and is provided with active catch
Plate, sideboard be located at operating room 2 inwall, sideboard by installed in observation window 11 and stretch out one's hand cloth set 4 immediately below one
Switch 9 of withholding on individual supporting leg 6 is controlled, and observation window 11 is windowpane, and the side wall of operating room 2 offers operating room door 3, operating room
It is additionally provided between control operation room 1 and deduster 7 and connects on one side of door 3 and the hinge connection of housing 1, the side wall of operating room 2
What is led to/block goes out dirt pull bar 8, and connection/blocking-up structure between operating room 1 and deduster 7 can enter sand soft using structures such as hinges
Pipe is connected with sand storage bin, tracheae connection inlet suction port；Startup/stopping of sand-blasting machine is controlled using floor push 10.
In this sand-blasting machine blast room without circuit facility, it is to avoid because metallic grit electrical system breaks down.
Abrator head is as shown in figure 3, including shell 1 and the sand grains import 2 being wrapped in shell, compressed air inlet 3, sand grains
Ejiction opening 4, cavity 6, sand grains import 2, compressed air inlet 3, sand grains ejiction opening 4 are connected with cavity 6, sand grains ejiction opening 4
Axis is overlapped with the axis of compressed air inlet 3, and sand grains ejiction opening 4 and compressed air inlet 3 are located at cavity two ends respectively, also wrap
The sleeve pipe 5 installed in the inwall of sand grains ejiction opening 4 is included, the whole inwall of the covering sand grains of sleeve pipe 5 ejiction opening 4, the rear end diameter of sleeve pipe 5 is big
In the point diameter of sleeve pipe 5, the rear end of sleeve pipe 5 is located in cavity 6, and the back end outer surface of sleeve pipe 5 is fitted with the inner surface of cavity 6, after sleeve pipe 5
End and the inner surface arc-shaped transition of cavity 6, the internal diameter of sleeve pipe 5 is 3mm, and sleeve pipe 5 is made using high-speed steel.
2nd, the implementation of sandblasting
Using the sandblasting method of roughening shown in Fig. 1, implement the sandblasting roughening of implant surface：
(1) air compressor machine is opened, waits air pressure to rise to 0.65MPa；
(2) suitable fixture clamping planting body is selected, the operating room of sand-blasting machine is put into, sandblasting electromechanical source is opened；
The present invention selects the partition schematic diagram of fixture as shown in figure 4, including sandblasting panel 1 overlapping from top to bottom, rubber
Backing plate 2 and bottom backing plate 3, sandblasting panel 1 are made using titanium plate, and bottom backing plate 3 is made using titanium plate or stainless steel plate, sandblasting face
Plate 1, rubber mat plate 2 and bottom backing plate 3 are rectangle, and screw rod 6 is placed through sandblasting panel 1, rubber mat plate 2 and bottom backing plate 3
Locked again with nut 7 after the mounting hole 8 of corner；Sandblasting panel offers through hole A4, and rubber mat plate offers through hole B5, through hole A
With through hole B location overlap, through hole A4 and through hole B5 have multiple, and in matrix arrangement；The thickness and Dental implantion of sandblasting panel 1
The height of the root of the tooth part of body is adapted, and through hole A4 aperture is more than the lateral dimension of the root of the tooth part of tooth implant, rubber blanket
The thickness of plate 3 is adapted with the height of the neck part of tooth implant, and through hole B5 inwall and the neck part of tooth implant are tight
Close fit, to adapt to different tooth implant specifications, can be made for 3.8mm, 4.4mm, 4.8mm or 5.6mm by through hole A aperture
Etc. several, the adjustment of adaptability is also done in corresponding through hole B5 aperture.
(3) start sandblasting, it is 0.5~0.65MPa that air pressure is maintained during sandblasting, behaviour is stopped when air pressure drop is less than maintenance air pressure
Make；
(4) wait air pressure to rise to 0.65MPa again to continue to operate, repeat said process to sandblasting and complete；
(5) hatch door is opened, planting body is removed；
(6) pneumatics electromechanical source, sandblasting electromechanical source are closed.Shake dust settling pocket handle and remove sprinkling house dust.
3rd, disposed after sandblasting
(1) check for encountering neck, the polishing if having；
(2) residues such as the fine sand of embedded planting body are rejected.
4th, sandblasting roughening effect
Sandblasting roughening treatment is carried out to planting body using the above method of the present invention, obtained coarse surface is as shown in Figure 5.
As shown in Figure 5, after carrying out sandblasting roughening treatment to planting body through the inventive method, implant surface forms microcosmic thick
Rough pattern, is conducive to strengthening the bond strength between planting body and bone tissue, to reach the purpose for accelerating synosteosis.
The present invention is using Titanium alloy Ti-6Al-4V as blast media, while using specific sand-blasting machine, abrator head and folder
Tool, has both reached the purpose of roughening implant surface, is conducive to strengthening the bond strength between planting body and bone tissue, is added with reaching
The purpose of fast synosteosis；Turn avoid implant surface after the risk polluted by adverse chemical composition, blasting treatment will not remain
The element not being consistent with planting body chemical composition.
Claims (7)
1. a kind of tooth implant sandblasting method of roughening, it is characterised in that：It is made up of following steps：
A, selection titanium alloy are as blast media, and the titanium alloy is Ti-6Al-4V, and titanium alloy granularity is 60 mesh；
B, planting body cleaning；
C, using sand-blasting machine sandblasting.
2. according to the method described in claim 1, it is characterised in that：In b step, described kind of plant cleaning method is：It will plant
Implant is submerged in the aqueous solution of detergent, vibration, flushing, drying, you can.
3. according to the method described in claim 1, it is characterised in that：In step c, the sand-blasting machine, which is used, can be used for abrasive blasting
Sand-blasting machine.
4. method according to claim 3, it is characterised in that：The sand-blasting machine, including inside are disposed with abrator head, enter sand
The operating room of flexible pipe and tracheae；Sand storage bin is provided with below the operating room, operating room, sand storage bin are respectively positioned in housing；
The lower housing portion is the supporting leg positioned at corner, and the bottom of adjacent support legs is connected with reinforcement；
The top surface of the sand storage bin at the top of supporting leg with flushing, and the bottom surface of sand storage bin is higher than supporting leg bottom, one of support
Connection deduster at the top of the inlet suction port of connection compressed air, operating room is fixed with leg, operating room antetheca is provided with observation window
Cloth set is stretched out one's hand with 2；
The cloth set of stretching out one's hand is provided with sideboard, and the sideboard is located at operation chamber interior walls, and operating room side wall offers behaviour
Make room door, be additionally provided with the wall of operating room side connected between control operation room and deduster/blocking goes out dirt pull bar；
It is described enter sand flexible pipe connected with sand storage bin, the tracheae connects inlet suction port.
5. method according to claim 4, it is characterised in that：The abrator head of the sand-blasting machine, including shell and be wrapped in
Sand grains import, compressed air inlet in shell, sand grains ejiction opening, cavity, sleeve pipe；
The sand grains import, compressed air inlet, sand grains ejiction opening are connected with cavity；
The axis of the sand grains ejiction opening is overlapped with the axis of compressed air inlet, sand grains ejiction opening and compressed air inlet difference
Positioned at cavity two ends；
Described sleeve pipe is arranged on sand grains ejiction opening inwall, and described sleeve pipe covers the whole inwall of sand grains ejiction opening.
6. according to the method described in claim 1, it is characterised in that：In step c, the blasting craft comprises the following steps：
(1) suitable fixture clamping planting body is selected, operation storehouse is put into；
(2) during sandblasting, maintenance air pressure is 0.5~0.65MPa；
(3) planting body is removed from fixture.
7. method according to claim 6, it is characterised in that：In step (1), the fixture includes overlapping from top to bottom
Sandblasting panel, rubber mat plate and bottom backing plate；
The sandblasting panel, rubber mat plate and bottom backing plate are rectangle, and three is detachably connected by the bolt through corner；
The sandblasting panel offers through hole A, and the rubber mat plate offers through hole B, through hole A and through hole B location overlap；
The thickness of the sandblasting panel is adapted with the height of the root of the tooth part of tooth implant, and the aperture of the through hole A is more than tooth
The lateral dimension of the root of the tooth part of planting body；
The thickness of the rubber mat plate is adapted with the height of the neck part of tooth implant, inwall and the tooth kind of the through hole B
The neck part of implant is fitted close；
In described step (3), also comprise the steps：
(i) neck of planting body is processed by shot blasting；
(ii) residue of embedded planting body is rejected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410579143.2A CN104400660B (en) | 2014-10-24 | 2014-10-24 | Titanium alloy as tooth implant blast media application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410579143.2A CN104400660B (en) | 2014-10-24 | 2014-10-24 | Titanium alloy as tooth implant blast media application |
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| Publication Number | Publication Date |
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| CN104400660A CN104400660A (en) | 2015-03-11 |
| CN104400660B true CN104400660B (en) | 2017-09-12 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107198587A (en) * | 2017-06-01 | 2017-09-26 | 成都贝施美生物科技有限公司 | Horizontal planting body sand blasting unit |
| CN112025562B (en) * | 2020-09-02 | 2022-08-23 | 中国航发北京航空材料研究院 | Sand blasting device and sand blasting method for controllable damage prefabrication of glass surface |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2198072Y (en) * | 1994-06-28 | 1995-05-24 | 四川长平机械厂 | Box type sand blasting machine |
| DE50311528D1 (en) * | 2003-09-10 | 2009-06-25 | Wolfgang Koczott | DEVICE FOR CLEANING INTERIOR WALLS AND METHOD FOR CLEANING INTERIOR WALLS THROUGH THE DEVICE |
| CN103143056A (en) * | 2013-03-02 | 2013-06-12 | 大连理工（营口）新材料工程中心有限公司 | Medical implant material surface modifying method |
| CN103252728B (en) * | 2013-04-28 | 2015-05-20 | 陈贤帅 | A device for dental implant surface sand blasting |
| CN103385764B (en) * | 2013-05-21 | 2016-03-02 | 广州市健齿生物科技有限公司 | A kind of for dentistry implant batch surface-treated device |
| CN103668390B (en) * | 2014-01-02 | 2016-10-26 | 四川大学 | There is the titanium on micro-nano rough structure surface or titanium alloy material and preparation method |
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