CN1096258C - Dental magnetic attachement - Google Patents
Dental magnetic attachement Download PDFInfo
- Publication number
- CN1096258C CN1096258C CN95117379A CN95117379A CN1096258C CN 1096258 C CN1096258 C CN 1096258C CN 95117379 A CN95117379 A CN 95117379A CN 95117379 A CN95117379 A CN 95117379A CN 1096258 C CN1096258 C CN 1096258C
- Authority
- CN
- China
- Prior art keywords
- mentioned
- magnetitum
- wing piece
- keeper
- retention body
- 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.)
- Expired - Lifetime
Links
Images
Landscapes
- Dental Prosthetics (AREA)
Abstract
The present invention provides a false tooth fixing body with small volume, favorable corrosion resistance performance and high magnetic attraction force. The present invention has the structure that the false tooth fixing body and a tooth root keeping member are relatively planted into a gum, and the keeping member absorbs the false tooth fixing body 1 by magnetic attraction force. The false tooth fixing body 1 is provided with a platy magnet 11 with an N magnetic pole and an S magnetic pole in the thickness direction, a pair of corrosion-proof soft magnetic wing blocks 12 contacted with both side faces of the platy magnet in the thickness direction, and a corrosion-proof nonmagnetic annular outer sleeve 13 arranged between the pair of wing blocks. Furthermore, the annular outer sleeve 13 and the wing blocks 12 are mutually engaged together.
Description
Technical field
The present invention relates to denture retention body that artificial tooth is fixedly secured.
Background technology
This is on the books in the past to utilize artificial tooth that magnetic attraction fixes.For example, Figure 11～(spy opens flat 1-303145 communique) shown in Figure 13.
The structure of this artificial tooth 90 is embedded with the artificial tooth base in the tooth root portion 92 in alveolus 91 as shown in Figure 11, and relative with holding plate in being embedded with base is the artificial pseudodont of being made by pottery and plastics 95.
Below this artificial pseudodont 95, the artificial tooth bed of being made by plastics etc. 94 is arranged.This artificial tooth is ordered in 94, is equipped with relative with keeper 93 and denture retention body 8 that be provided with.In Figure 11, symbol 96 is a gingiva, and 99 for being arranged at the artificial tooth in Hubei Province.
Secondly, above-mentioned denture retention body 8, as Figure 12, shown in 13, by being arranged on central part, N is arranged on thickness direction, the polar tabular Magnetitum 81 of S, and a pair of wing piece 82,82 of the corrosion-resistant soft-magnetic body that joins with two sides of this Magnetitum thickness direction and be used for the overcoat 84 that these parts covers get up is formed, at this moment, the bottom of above-mentioned tabular Magnetitum 81 is equipped with the dividing plate 83 that corrosion resistant nonmagnetic substance is made.At last, all these parts all are fixed by welding in together.
Because above-mentioned denture retention body 8 will be arranged on the very little artificial tooth bed of scope, therefore wish that its volume is as much as possible little.So, for the denture retention body, promptly enable to dwindle size little as 0.1～0.3mm, all very big benefit can be arranged to the operation of making artificial tooth.
But iff the size of dwindling the denture retention body merely, its magnetic attraction also can descend in proportion and not reach more than the 500hf, and the denture retention body requires very high because of using in the oral cavity to corrosion resistant performance.
Summary of the invention
The present invention is directed to above variety of issue,, possess good rotproofness, guarantee that aspects such as sufficient magnetic attraction have proposed brand-new method at the miniaturization of denture retention body.
Denture retention body of the present invention is, and is relative with the keeper that places root of the tooth and plant and put on dental bed, and with the denture retention body of this keeper with magnetic attraction absorption.
It is characterized by: at thickness direction N is arranged, the polar tabular Magnetitum of S, with the contacted a pair of corrosion-resistant magnetic wing piece in two sides of the thickness direction of this tabular Magnetitum,
In not relative with the wing piece ring-type periphery of tabular Magnetitum is that the corrosion resistant non magnetic ring-type overcoat that disposes between by a pair of wing piece is constituted.
And, the denture retention body that is bonded with each other is arranged between this ring-type overcoat and the wing piece.
The corrosion-resistant non magnetic ring-type overcoat in tabular Magnetitum arranged outside is it should be noted that in the present invention most.
The present invention has changed the shell-type insulation mode of in the past using covering integral body, only wraps with the ring-type overcoat around Magnetitum, and wing piece is exposed.
Above described tabular Magnetitum around, refer to and the not contacted up and down front-back of the wing piece of tabular Magnetitum both sides.Around tabular Magnetitum, be coated with the ring-type overcoat, tabular Magnetitum is embedded in wherein mutually.
Above-mentioned tabular Magnetitum is that the rare earth element magnet more than the 20MGOe is good with the maximum magnetic energy product, can reach the above captivation of 500gf like this.
The material of tabular Magnetitum is with the Sm of rare earth element magnet
2-Co
17, the Sm-Co alloy, Nd-Fe-B alloy etc. is good.
The corrosion resistant soft magnet material of wing piece and holding plate is more than the 13000G to adopt saturation flux density, and the material of magnetic susceptibility more than 3000 is good.Material with these characteristics is the 119Gr-2Mo-Ti steel for example, 13Gr-2Mo-Ti steel, 15Cr-2Mo-Ti steel, 17Cr-2Mo-Ti steel and pure iron etc.
In addition, the corrosion resistant nonmagnetic body material of ring-type overcoat can adopt as SUS316L, Ti gold, pure Ti, or dentistry Pd-Co-Ni alloy commonly used, gold alloy, Au-Pd alloy etc.These materials all have good corrosion resistant performance in human oral cavity.
The wing piece of above-mentioned tabular Magnetitum both sides engages one another with the periphery, the contacted interface of ring-type overcoat that includes tabular Magnetitum.Joint method mainly contains laser weld, electron beam welding, lead welding etc.What will recommend especially here is preceding two kinds of methods, and the welding of wing piece and periphery, the contacted interface of ring-type overcoat is thin-line-shaped, and face of weld is concavo-convex little.
The wing piece of above-mentioned tabular Magnetitum both sides, the first half not relative with keeper except that with contacted of Magnetitum, be to around down slideway be good [with reference to figure 5].Can ream the outer end shoulder of the first half like this, effectively dwindle overall volume, be beneficial to the making of artificial tooth.Equally, Magnetitum and be covered in the first half of its outer ring-type overcoat also slideway is good [with reference to figure 5] outwards to be down.
The outer end shoulder of the first half is the less position of magnetic flux density in the magnetic loop, and above-mentioned inclined-plane is set, and magnetic force is descended.And following slideway both can be the plane, also can be curved surface.
Along the lateral surface of above-mentioned wing piece, be good so that groove to be set, the denture retention body can be placed in the artificial tooth bed more firmly like this.This be because, the denture retention body generally with adhesive securement in the artificial tooth bed that plastics are made, life-time service has the possibility that comes off.
After the lateral surface of wing piece was provided with groove, when making artificial tooth, the artificial tooth bed can enter concave part, and the denture retention body is placed in the artificial tooth bed securely, prevents coming off of denture retention body effectively.
More than record and narrate holding plate and be fixed in tooth root portion, the situation when the denture retention body is fixed in the artificial tooth bed, same, the denture retention body is fixed in tooth root portion, holding plate is fixed in the artificial tooth bed also passable.At this moment the structure of denture retention body is identical with structure recited above.
Denture retention body of the present invention is embedded with corrosion resistant non magnetic overcoat in the ring-type periphery of Magnetitum, and is provided with corrosion resistant soft magnetism wing piece in the both sides of Magnetitum, and all these parts all pass through solder bond together.
Therefore, though tabular Magnetitum originally corrodes than being easier in the oral cavity, owing to enclosed by wing piece and ring-type overcoat fully on every side, totally-enclosed in addition welding is not so there is tabular Magnetitum can corrode misgivings.And the contact surface of wing piece and ring-type overcoat welds together, the structural strength height, and enduring quality is good.
Owing to only wrap the ring-type overcoat in the periphery of tabular Magnetitum, wing piece directly is exposed, and the size of denture retention body thickness direction is dwindled, and again can wing piece be provided with the banded groove to prevent that the denture retention body from coming off.
Denture retention body of the present invention is because between the wing piece that corrosion resistant soft-magnetic body is constituted, press from both sides the tabular Magnetitum that a magnetic line of force extends to two flank pieces, and its bottom surface is relative with keeper, form the structure of a closed magnetic loop, so the objective of the invention is to have improved magnetic attraction between keeper and the denture retention body.
As can be seen from the above description, advantage of the present invention promptly the invention provides small-sized, corrosion resistance and good, the denture retention body that magnetic attraction is high.
Description of drawings
The exploded perspective view of the denture retention body of Fig. 1: embodiment 1.
The oblique view of the denture retention body of Fig. 2: embodiment 1.
Fig. 3: the sectional drawing of A-A sight line among Fig. 2.
The vertical section size sketch map of the denture retention body of Fig. 4: embodiment 1.
The oblique view of the denture retention body of Fig. 5: embodiment 2.
The vertical section size sketch map of the denture retention body of Fig. 6: embodiment 2.
The horizontal section size sketch map of the denture retention body of Fig. 7: embodiment 2.
The oblique view of the denture retention body of Fig. 8: embodiment 3.
The horizontal section sketch map of the denture retention body of Fig. 9: embodiment 3.
The difference sketch map of the intrinsic routine A of Figure 10 and the present invention's example B.
Figure 11: the artificial tooth sketch map of intrinsic example.
Figure 12: the sketch map of the denture retention body of intrinsic example.
Figure 13: the exploded perspective view of the denture retention body of intrinsic example.
The specific embodiment
Below, embodiments of the invention are illustrated according to diagram:
[embodiment 1]
The denture retention body relevant with embodiments of the invention utilizes Fig. 1～4 to be illustrated.
The denture retention body 1 of present embodiment, shown in Fig. 1～3, by the tabular Magnetitum 11 of the N-S magnetic line of force along the thickness direction extension, the a pair of wing piece 12 that the corrosion resistant soft magnetic material that joins with the two sides of tabular Magnetitum 11 and put is made, 12, and the ring-type overcoat 13 of configuration on the relative ring-type peripheral surface 112 of tabular Magnetitum 11 and wing piece 12 constitutes.
This ring-type overcoat 13 is made by corrosion-resistant non-magnetic material, and is the same with tabular Magnetitum 11, is clipped between the above-mentioned a pair of wing piece 12.
In addition, shown in Figure 3 as Fig. 2, above-mentioned wing piece 12 is sealed by Laser Welding with the periphery that ring-type overcoat 13 joins.Above-mentioned denture retention body 1, as shown in Figure 4, its bottom is relative with keeper 3, is installed in (with reference to figure 1) in the oral cavity.
Above-mentioned tabular Magnetitum 11 embeds wherein at the opening part 131 of ring-type overcoat 13, and the internal diameter size of the overall dimensions of tabular Magnetitum 11 and ring-type overcoat 13 is basic identical, and the chimeric or bonding method of tabular Magnetitum 11 and ring-type overcoat 13 usefulness is fixed together.
Above-mentioned tabular Magnetitum 11 is a square, and ring-type overcoat 13 is cubic frame.And the curved curved surface of the lateral surface of wing piece 12, the face relative with tabular Magnetitum and ring-type overcoat is the plane.
[embodiment 2]
The denture retention body 1 of present embodiment, shown in Fig. 5～7, the first half of wing piece 12 is provided with down slideway 125, and the top, side of wing piece 12 is provided with banded groove 126 simultaneously.
Above-mentioned down slideway 125 is located at not relative with keeper 3 first half of wing piece 12, is the inclined plane of outside downslide.The angle of inclination is about 30 degree.
And above-mentioned banded groove 126 shown in Fig. 5～7, is the same arc groove of the degree of depth along the arc lateral surface setting of wing piece 12.
Other structure is identical with embodiment 1.
[embodiment 3]
The denture retention body 1 of present embodiment, shown in Figure 9 as Fig. 8, the same with the denture retention body of embodiment 2 and at the first half of its ring-type overcoat 13 following slideway 134 is arranged also, the first half of corresponding tabular Magnetitum 11 also is provided with same following slideway (figure slightly).
Have, the banded groove 127 that is provided with on the wing piece 12 is than the weak point among the embodiment 2 again.
Other structure is identical with embodiment 2.
[embodiment 4]
Present embodiment is shown in table 1～6, and to the magnetic attraction [gf] of the denture retention body testpieces 1～4 relevant with the present invention, slip-off preventing degree [hot strength kgf] is measured.For the ease of relatively, the existing use-case of narrating in the past (relatively using testpieces) is also measured.
Above-mentioned testpieces 1 is embodiment, and testpieces 2 is embodiment 2, and testpieces 3,4 is the denture retention body of the structure shown in the embodiment 3.
In addition, for above-mentioned testpieces 1～4 and relatively use the parts such as the tabular Magnetitum of testpieces, the ring-type overcoat, wing piece, banded groove, the size of shell etc., magnetic property, materials etc. utilize table 1～5 explanations.
On the other hand, the apparent size of above-mentioned each denture retention body testpieces integral body, as the top size, lower dimension, highly, and shoulder height and measurement result etc., as shown in table 6.
Above-mentioned upper dimension is denture retention body upper surface [end not relative with keeper] width and a thickness.
Above-mentioned width as shown in Figure 2, is meant the width [also being the Breadth Maximum of wing piece] of ring-type overcoat, and above-mentioned thickness as shown in Figure 2, is meant the distance between denture retention body both wings piece lateral surface.
Have, above-mentioned lower dimension refers to the above-mentioned width of the end that the denture retention body is relative with keeper, thickness again.
As shown in table 6, there is not the testpieces 1 of following slideway for the first half, upper dimension identical with lower dimension [relatively too] with testpieces, and the testpieces 2,3,4 of following slideway is arranged for the first half, upper dimension is then different with lower dimension.
Have, the lower dimension of testpieces 1～4 is all identical again.For relatively using testpieces, thickness is than the big 0.2mm of thickness of each testpieces noted earlier.
In addition, highly be meant the whole height (also being the height of ring-type overcoat) of denture retention body, the shoulder height is meant down the height of slideway lower end to bottom surface.
Secondly, above-mentioned magnetic attraction is meant the denture retention body that determines and the magnetic attraction between keeper.Above-mentioned slip-off preventing degree is meant tensile force required when utilizing cupping machine that the denture retention body is pulled away from the artificial tooth bed.The denture retention body is embedded in the operation of artificial tooth bed, then is to utilize in the artificial tooth bed that the dentistry special plastic makes, and fixes with the agent of dentistry special bonding.
Below, specify the detailed dimensions of each parts in above-mentioned each the denture retention body shown in table 1～5.
At first, for testpieces shown in the table 11, utilize Fig. 4 to be illustrated, the thickness t 2 of wherein tabular Magnetitum 11 is 1.0mm, and height h2 is 1.9mm, and (with reference to figure 1, Fig. 2 Fig. 7) is 4.0mm to width W.
The thickness t of ring-type overcoat 13
2Be 1.0mm, the thickness R of the material of ring is 0.1mm, and the width W of overcoat is 4.2mm.
The thickness t 1 of wing piece 12 is 1.0mm, and height H is 2.1mm, and width W (with reference to figure 7) is 4.2mm.
Have again, testpieces 1～keeper be of a size of: the height 1.0mm, thickness is consistent with the thickness 3.0mm of above-mentioned denture retention body, and the width also width 4.2mm with above-mentioned denture retention body is identical.Relatively the thickness with the keeper of testpieces is 3.2mm, the keeper of other size and testpieces 1～4 identical.
Secondly, for testpieces 2,3, and 4, the first half has above-mentioned following slideway, and its shoulder height shown in Fig. 6 simultaneously, also illustrates height (above-below direction) M of banded groove, the degree of depth, and length.
Below, measurement result is illustrated.
As shown in table 6, with relatively compare with testpieces, the width on the top of testpieces 1 is that the size of 4.2mm and bottom is the same, and the thickness of testpieces 1 is frequently with the little 0.2mm of thickness of testpieces, reduced whole volume to a certain extent, and that magnetic attraction does not have is influenced.
Secondly,,, further reduced overall volume owing to reamed outer end, both sides, wing piece top shoulder for testpieces 2, as a result magnetic attraction still with relatively use the identical of testpieces, reached the purpose that improves the magnetic attraction under the unit volume.
For testpieces 3, the outer end, top of denture retention body comprises outer end, wing piece top, and the outer end shoulder of ring-type overcoat is all reamed, and has further reduced overall volume, and magnetic attraction still with relatively use testpieces basic identical.
For testpieces 4, the same with testpieces 3, for outer end, the top shoulder of denture retention body is all reamed, further reduced the structure of overall volume.Different is to have used maximum magnetic flux to amass and can be the Nd14Fe77B8 Magnetitum of 35MGOe.Like this, magnetic attraction frequently increases substantially with the magnetic attraction of testpieces, makes the denture retention body have magnetic property more fully.
Have, at testpieces 2,3, on 4, be equipped with aforementioned banded groove 126,127, the slip-off preventing performance significantly improves.
Here, utilize above-mentioned Figure 10 (A) of testpieces and Figure 10 (B) of the testpieces 3 behind the above-mentioned volume miniaturization of relatively using, illustrate that the volume miniaturization is to making the superiority of denture retention body.
At first, shown in Figure 10 (A), artificial tooth bed 94 should be made along dotted line 71,73, but owing to relatively use the height of testpieces and gauge big, makes artificial tooth bed 94 have to along the line 711 be shaped, and artificial tooth 95 then has to make along 731.Make along 711 lines, can make tongue that foreign body sensation is arranged, and make, then can make artificial tooth thickness thin excessively along 731 lines.
In contrast to this, the testpieces 3 behind the miniaturization shown in Figure 10 (B) is because height and thickness and shoulder size are all little, when making artificial tooth, can make in online 75,76, along the line 75 make, can make tongue not have foreign body sensation, and, then can strengthen the intensity on the artificial tooth thickness along 76 making.
Table 1 embodiment 1
| Parts | Shape (mm) | Magnetic characteristic | Material |
| The denture retention body | Thick 1.0 high 1.9 is wide by 4.0 | 32MGOe | Sm 2Co 17 |
| The ring-type overcoat | Thick 1.0 high 2.1 wide 4.2 materials thick 0.1 | Magnetic susceptibility=1.02 | SUS316L |
| Wing piece | Thick 1.0 high 2.1 is wide by 4.2 | 1.6T | 19Cr-2Mo-Ti |
| Banded groove | Do not have | ---- | ---- |
| Keeper | High by 1.0 | 1.6T | 19Cr-2Mo-Ti |
Table 2 embodiment 2
| Parts | Shape (mm) | Magnetic characteristic | Material |
| Denture retention body (not containing keeper) (mm) | Thick 1.0 high 1.9 is wide by 4.0 | 32MGOe | Sm 2Co 17 |
| The ring-type overcoat | Thick 1.0 high 2.1 wide 4.2 materials thick 0.1 | Magnetic susceptibility=1.02 | SUS316L |
| Wing piece | Thick 1.0 high 2.1 shoulders high 1.64 are wide by 4.2 | 1.6T | 19Cr-2Mo-Ti |
| Banded groove | Groove width 0.2 groove depth 0.2 flute length 4.2 | ---- | ---- |
| Keeper | High by 1.0 | 1.6T | 19Cr-2Mo-Ti |
Table 3 embodiment 3
| Parts | Shape (mm) | Magnetic characteristic | Material |
| Denture retention body (not containing keeper) (mm) | Thick 1.0 high 1.9 is wide by 4.0 | 32MGOe | Sm 2Co 17 |
| The ring-type overcoat | Thick 1.0 high 2.1 shoulders high 1.64 maximum wide 4.2 minimum wide 2.4 materials thick 0.1 | Magnetic susceptibility=1.02 | SUS316L |
| Wing piece | Thick 1.0 high 2.1 shoulders high 1.64 maximum wide 4.2 are minimum wide by 2.4 | 1.6T | 19Cr-2Mo-Ti |
| Banded groove | Groove width 0.2 groove depth 0.2 flute length 2.0 | ---- | ---- |
| Keeper | High by 1.0 | 1.6T | 19Cr-2Mo-Ti |
Table 4 embodiment 4
| Parts | Shape (mm) | Magnetic characteristic | Material |
| Denture retention body (not containing keeper) (mm) | Thick 1.0 high 1.9 is wide by 4.0 | 32MGOe | Nd 14Fe 77B 8 |
| The ring-type overcoat | Thick 1.0 high 2.1 shoulders high 1.64 maximum wide 4.2 minimum wide 2.4 materials thick 0.1 | Magnetic susceptibility=1.02 | SUS316L |
| Wing piece | Thick 1.0 high 2.1 shoulders high 1.64 maximum wide 4.2 are minimum wide by 2.4 | 1.6T | 19Cr-2Mo-Ti |
| Banded groove | Groove width 0.2 groove depth 0.2 flute length 2.0 | ---- | ---- |
| Keeper | High by 1.0 | 1.6T | 19Cr-2Mo-Ti |
The intrinsic example of table 5 (relatively using testpieces)
| Parts | Shape (mm) | Magnetic characteristic | Material |
| Denture retention body (not containing keeper) (mm) | Thick 1.0 high 1.9 is wide by 4.0 | 32MGOe | Sm 2Co 17 |
| Wing piece | Thick 1.0 high 2.0 is wide by 4.0 | Magnetic susceptibility=1.02 | SUS316L |
| Dividing plate | Thick 1.0 high 0.1 is wide by 4.0 | 1.6T | 19Cr-2Mo-Ti |
| Integral sleeve | Body thick 0.1 | Magnetic susceptibility=1.02 | SUS316L |
| Keeper | High by 1.0 | 1.6T | 19Cr-2Mo-Ti |
Table 6 measurement result
| Testpieces | ||
| 1 | | | Testpieces 4 | Relatively use testpieces | ||
| Upper dimension (mm) | Wide | 4.2 | 4.2 | 2.4 | 2.4 | 4.2 |
| Thick | 3.0 | 1.4 | 1.4 | 1.4 | 3.2 | |
| Lower dimension (mm) | Wide | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 |
| Thick | 3.0 | 3.0 | 3.0 | 3.0 | 3.2 | |
| High (mm) | 2.1 | 2.1 | 2.1 | 2.1 | 2.1 | |
| Shoulder height (mm) | 2.1 | 1.64 | 1.64 | 1.64 | 2.1 | |
| Captivation (gf) | 628 | 630 | 620 | 645 | 630 | |
| Slip-off preventing degree tensile force (gf) | 16 | 27 | 27 | 27 | 16 |
Claims (4)
1. Denture attachment, this retainer be fixed on root of the tooth on the keeper of making by magnetic material mutually in the face of and plant in the artificial tooth bed, inhale mutually with magnetic attraction with keeper,
It is characterized by: be extended with N-S magnetic pole, one side and the above-mentioned keeper tabular Magnetitum in the face of being provided with mutually wherein along thickness direction, be disposed at above-mentioned Magnetitum thickness direction both sides be a pair of wing piece of making by the corrosion resistance soft magnetic material;
The face side in addition that above-mentioned Magnetitum is relative with above-mentioned wing piece is with the ring-shaped shell that is formed by the corrosion resistance nonmagnetic substance;
Above-mentioned wing piece is bonded with each other with the contacted periphery of this ring-shaped shell and is in the same place.
2. the described Denture attachment of claim 1, the upper end beyond the above-mentioned wing piece face relative with keeper outwards is the inclined plane of downslide.
3. the described Denture attachment of claim 1, the circular outer periphery face of above-mentioned Magnetitum is made of top, following, front and back; With above this, this front and this upper end that intersects later be formed with the following slideway that outwards is inclination.
4. the described Denture attachment of claim 3, the upper end outside the relative one side with keeper of above-mentioned ring-shaped shell outwards is the following slideway of inclination.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN95117379A CN1096258C (en) | 1995-09-22 | 1995-09-22 | Dental magnetic attachement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN95117379A CN1096258C (en) | 1995-09-22 | 1995-09-22 | Dental magnetic attachement |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1145775A CN1145775A (en) | 1997-03-26 |
| CN1096258C true CN1096258C (en) | 2002-12-18 |
Family
ID=5081196
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN95117379A Expired - Lifetime CN1096258C (en) | 1995-09-22 | 1995-09-22 | Dental magnetic attachement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1096258C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102058440A (en) * | 2010-11-12 | 2011-05-18 | 大连盛辉钛业有限公司 | Micro titanium plate magnetic attachment |
| DE102015115186B3 (en) * | 2015-09-09 | 2016-08-11 | Karin Henriette Dentzer | Denture and method of removal |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4508507A (en) * | 1983-10-03 | 1985-04-02 | Jackson Thomas R | Magnetic denture retention apparatus |
| US4626213A (en) * | 1985-07-03 | 1986-12-02 | James R. Shiner | Dental appliance |
| US5013243A (en) * | 1988-06-01 | 1991-05-07 | Aichi Steel Works, Limited | Denture attachment |
| WO1994020042A1 (en) * | 1993-03-11 | 1994-09-15 | Technovent Ltd. | A magnetic fastening system for a dental prosthesis |
-
1995
- 1995-09-22 CN CN95117379A patent/CN1096258C/en not_active Expired - Lifetime
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4508507A (en) * | 1983-10-03 | 1985-04-02 | Jackson Thomas R | Magnetic denture retention apparatus |
| US4626213A (en) * | 1985-07-03 | 1986-12-02 | James R. Shiner | Dental appliance |
| US5013243A (en) * | 1988-06-01 | 1991-05-07 | Aichi Steel Works, Limited | Denture attachment |
| WO1994020042A1 (en) * | 1993-03-11 | 1994-09-15 | Technovent Ltd. | A magnetic fastening system for a dental prosthesis |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1145775A (en) | 1997-03-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6652278B2 (en) | Dental bar attachment for implants | |
| EP0387350B1 (en) | Artificial tooth attachment | |
| US5678998A (en) | Dental magnetic attachment | |
| CN1096258C (en) | Dental magnetic attachement | |
| CN1428132A (en) | Magnetic fastening device for dental prostheses | |
| EP1630929A3 (en) | Stator of motor | |
| JPH03504562A (en) | Drilling side processing combination dental tool | |
| CN1193717C (en) | Denture attachment | |
| TWI295924B (en) | Abutment for dental implant | |
| WO1999039656A1 (en) | False tooth attachment and method and spacer for fixing the same | |
| EP1561434B1 (en) | Denture attachment, denture and process for producing the same | |
| AU9716101A (en) | Dental magnetic attachment | |
| WO2005077297A1 (en) | Denture attachment and method of manufacturing the same | |
| CN212382766U (en) | Dental implant | |
| CN1160025C (en) | Support for artifical teeth holder and method for taking out the same | |
| US7748982B2 (en) | Denture attachment | |
| CN214128850U (en) | Magnetic false tooth capable of improving adsorption force | |
| CN208756199U (en) | A kind of amalgamation plugger for preventing argental mercury from entering respiratory tract | |
| US6991459B2 (en) | Impactor and paste feeder | |
| CN215349600U (en) | Anti-drop just can cover tooth inlay of tooth occlusal surface | |
| JP3586969B2 (en) | Thin denture attachment | |
| JP2509797B2 (en) | Denture attachment | |
| CN219579085U (en) | Titanium alloy is implanted straight abutment and screw for tooth restoration | |
| CN217595190U (en) | Sorting wheel structure for high-consistency neodymium iron boron powder | |
| CN212395099U (en) | Handle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20021218 |
|
| EXPY | Termination of patent right or utility model |