CN104323793B - Oral cavity is corrected implant operation and is used position-finding device - Google Patents
Oral cavity is corrected implant operation and is used position-finding device Download PDFInfo
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- CN104323793B CN104323793B CN201310309266.XA CN201310309266A CN104323793B CN 104323793 B CN104323793 B CN 104323793B CN 201310309266 A CN201310309266 A CN 201310309266A CN 104323793 B CN104323793 B CN 104323793B
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- oral cavity
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- implant operation
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Abstract
The present invention relates to a kind of oral cavity and correct implant operation position-finding device, comprise: pedestal, modeling composition, keeper and clamping piece.This pedestal is provided with fixed part in top, and has the first end and the second end；Modeling composition is installed in fixed part, and is provided with the compression face for dental articulation positioning in top；Keeper is installed in pedestal top, and has the Measurement scales that X-ray impermeability material is made；This clamping piece is installed in the first end of pedestal, and has the grasping part of clamping X-ray.The present invention presents parastate coordinate modeling composition top to be provided with the compression face of confession dental articulation positioning again by Measurement scales and the X-ray of keeper, make irradiation out X-ray can present the relativeness of tooth and measuring basis part, allow dentist, odontologist can quickly understand two interdental root of the tooth position relationships.
Description
Technical field
The present invention relates to a kind of positioner being applied to implant operation, particularly relate to a kind of when estimating diagnosis
It quick interpretation is provided and there is accurate measuring standard, it is simple to determining that the rectification implant correcting implant implantation point is fixed
Position device.
Background technology
With the lifting to quality of life, people also more focus on for the image of appearance, have health, U.S.
See the tooth good with function, denture and face, contribute to extension social circle, amplification working opportunity and increase
Self-confidence, therefore orthodontic, tooth jaw are corrected very prevailing with the general mood of Dentition correcting, promote dental health
While more create a beautiful smile that can share at any time with people.
Before dentist's office carries out corrective procedure, sufferer must carry out the inspection and evaluation of full mouth, allows dentist, odontologist's energy
Understand the interdental root of the tooth position relationship of sufferer two, in order to dentist, odontologist can be at tooth and interdental seam
Gap implants appropriately sized implant.But, tradition inspection and evaluation need to put into X at intraoral two teeth of sufferer
Mating plate, and after irradiating X-ray, wait X-ray to develop, allow dentist, odontologist judge to be suitable for implanting planting of implant
Access point.
Although the mode of such check and evaluation simply saves trouble, but during irradiating X-ray, easily because of people
For operational improper or error, cause X-ray malposition in sufferer mouth, thus cannot be clear
Express tooth and interdental relative position, therefore, generally require ancillary cost time and material cost again
Again irradiate.Although additionally, tooth can clear on X-ray be expressed with interdental relative position, allowing
Where dentist, odontologist understands implantation position, but implant still cannot be implanted this implantation position exactly, one
Individual imprudence, it is also possible to injure root of the tooth, causes unnecessary injury.
Another kind of detection mode is that tooth is launched a kind of X-ray by profit computerized tomography, recycles computer
3-D technology reconstruct stereopsis, therefore, have at leisure a little dentist, odontologist start with computer break
Layer carries out the assessment operation before corrective procedure, facilitates dentist, odontologist to determine whether suitable implantation space, though
So utilize computerized tomography to allow dentist, odontologist that implant can accurately be implanted the implantation space preset, but utilize meter
The expense that calculation machine tomography is estimated operation is so high, is not the payment for medical care that general sufferer can be born
With.
In view of this, tradition still has deficiency for the assessment detection before rectification implant implant surgery on using
Place, has a kind of positioning being provided that quick interpretation when estimating diagnosis and having measuring standard accurately of creation in fact
Device.
Content of the invention
Present invention is primarily targeted at and dentist, odontologist can be allowed quickly to understand sufferer tooth and interdental root of the tooth
Position relationship, makes implant quickly can implant again optimal implantation point exactly, reduce because manual operation is improper or
Error and the situation of wounded person's root of the tooth.
The secondary objective of the present invention be can according to implant implant sufferer mouth intracavitary locations difference, by pedestal,
Group between clamping piece from locating rack three connects pattern and makes different groups and connect change, makes position-finding device energy
It is enough useful in the various different mouth position such as cheek side or tongue side.
For reaching described purpose, implant operation position-finding device is corrected in oral cavity of the present invention, comprises: a pedestal,
There is one first end and a second relative end, and be provided with a fixed part in top；One modeling composition, installing
It in the fixed part of described pedestal, and is provided with a compression face positioning for dental articulation in top；Positioning piece,
It is installed in described pedestal top, and there is a Measurement scales made with X-ray impermeability material；And one folder
Firmware, is installed in the first end of described pedestal, and has the grasping part of a clamping described X-ray, makes institute
The Measurement scales stating X-ray with described keeper presents a parastate.
In preferred embodiment, described oral cavity is corrected implant operation position-finding device and is further provided with necessarily
Position frame, described locating rack is installed in the second end of described pedestal, and has a connecting rod and and be articulated in institute
Stating the locating ring of connecting rod, described locating ring is sheathed is positioned described X-ray machine exposure tube.Wherein, described company
The partial section of extension bar is set to one can be across the bend setting cheek.
Additionally, described pedestal two ends and keeper, use between clamping piece and mutually corresponding paste assembly, card
Gu assembly, snapping assembly or chimeric assembly one of which structure are mutually assembled.And the locating ring of described locating rack,
The Measurement scales of described keeper and described X-ray three present a parastate jointly.
Wherein, the fixed part of described pedestal is set to plurality of openings, and extends plural number bottom described modeling composition
Individual filling part, described filling part and perforate are mutually clamped positioning.And the order of described pedestal to upwardly extend formation certain
Position post, and described keeper is sheathed on described locating dowel and fixes.In addition, described pedestal top is another
Can be stretched out formation at least one stopper section, prevents described modeling composition pressurized deformation from externally protruding out in described pedestal, and
Described stopper section is provided with plurality of openings, in order to coordinate described modeling composition side to extend a plurality of filling part phase
Engaging positioning mutually.
In preferred embodiment, described modeling composition is to be made up of the one of which of gypsum, resin, silica gel or wax.
Furthermore, described clamping piece has a base and clamping an of elasticity, and described base one end stretches out
Forming at least one baffle plate, the other end installs clamping of described elasticity, and between described baffle plate and clamping of elasticity
It is collectively forming described grasping part.
The X-ray that the method have the characteristics that keeper and be clamped on grasping part presents parallel pattern and coordinates
Modeling composition has the compression face of fixing teeth, makes irradiation out X-ray can present the measurement of tooth and keeper
The relativeness of scale, allows the position relationship that dentist, odontologist can quickly understand between tooth and root of the tooth, and then makes to plant
Physical efficiency quickly implants again default implantation point accurately, and can reduce wounded person's root of the tooth because of operation human error
Situation.
Brief description
Fig. 1 is the exploded view of the present invention the first preferred embodiment；
Fig. 2 is the schematic diagram of sufferer occlusion modeling composition；
Fig. 3 is the sectional view of sufferer occlusion modeling composition；
Fig. 4 is the schematic diagram of measuring basis part of the present invention；
Fig. 5 is the schematic diagram of pedestal two ends installing clamping piece and locating rack；
Fig. 6 is that the present invention utilizes and pastes the schematic diagram that assembly is mutually assembled；
Fig. 7 is that the present invention utilizes the schematic diagram that chimeric assembly is mutually assembled；
Fig. 8 is that the present invention utilizes the schematic diagram that snapping assembly is mutually assembled；
Fig. 9 is the schematic diagram of X-ray machine exposure tube illumination of teeth；
Figure 10 is the schematic diagram of X-ray display keeper and tooth；
Figure 11 is for preparing to implant the schematic diagram of implant；
The schematic diagram that Figure 12～13 are the present invention the second preferred embodiment；
The schematic diagram that Figure 14～15 are the present invention the 3rd preferred embodiment；
The schematic diagram that Figure 16～17 are the present invention the 4th preferred embodiment.
Description of reference numerals: 1-position-finding device；10-pedestal；11-fixed part；111-perforate；12-first
End；13-the second end；14-stopper section；141-opening；15-locating dowel；20-modeling composition；21-compression face；22-
Filling part；30-keeper；31-Measurement scales；32-socket part；33-the first alignment mark；34-second positions
Mark；35-location structure；40-clamping piece；41-grasping part；42-base；421-baffle plate；43-elastic clip
Gu piece；50-locating rack；51-connecting rod；52-locating ring；53-bend；60-X mating plate；61-implants point；
70-card fixing component；71-bit block；72-fixes groove；73-pastes assembly；74-is fitted together to assembly；75-snapping
Assembly；80-X ray machine exposure tube.
Detailed description of the invention
For ease of further deeper one layer of clearly full and accurate recognizing being had to the construction of the present invention, use and feature thereof
Know and understand, now enumerating preferred embodiment, coordinate accompanying drawing to describe in detail as follows:
Referring to shown in Fig. 1, relatively adding in embodiment first, implant operation positioning is corrected in oral cavity of the present invention
Determinator 1 is by a pedestal the 10th a, modeling composition the 20th, positioning piece the 30th, a clamping piece 40 and a positioning
Frame 50 is formed.
Described pedestal 10 is provided with a fixed part 11 in top, and has one first end 12 and relative
Two ends 13, in graphic preferred embodiment, described pedestal 10 first end 12 upwardly extends formation at least one to be stopped
Stopper 14, and described pedestal 10 second end 13 upwardly extends formation one locating dowel 15, described locating dowel 15
In order to be directed at tooth and interdental gingival position, make dentist, odontologist can primarily determine that by described locating dowel 15
Implantation position, the lower row's tooth making described pedestal 10 be placed in sufferer will not produce excessive site error, enter
And reduce the number of times irradiating X-ray.Additionally, described fixed part 11 is set to the perforate through described pedestal 10
111, and described stopper section 14 surface is provided with plurality of openings 141.
Referring to shown in Fig. 2 and Fig. 3, described modeling composition 20 is with the installation of the fixed part of described pedestal 10
Above in the of 11, make described modeling composition 20 between described stopper section 14 and locating dowel 15, and formed in top
One compression face 21 positioning for dental articulation, wherein, when described modeling composition 20 is oppressed by tooth, described
The bottom side of modeling composition 20 and described stopper section 14 sides adjacent will be respectively filled in described perforate 111 and opening 141
Middle formation one filling part 22 so that described modeling composition 20 coordinates described pedestal 10 mutually to fix positioning.One
In possible embodiments, described modeling composition 20 is to be made up of the one of which of gypsum, resin, silica gel or wax.
Described keeper 30 is installed in described pedestal 10 top, and it is impermeable with X-ray that described keeper 30 has one
The Measurement scales 31 and one that property material (radiopaque material) is made prolongs bottom described Measurement scales 31
The socket part 32 stretched, described socket part 32 engagement sleeves is located at and is mutually located in the locating dowel 15 of described pedestal 10.
Referring to shown in Fig. 4, described Measurement scales 31 is provided with a plurality of first alignment mark 33 in longitudinal, and
Be transversely provided with a plurality of second alignment mark 34, described first alignment mark 33 and the second alignment mark 34 it
Between form a plurality of location structure 35, as it can be seen, by sequential A, B in the first alignment mark 33
And the letter symbol of C, and described second alignment mark 34 sequentially arrange have Roman number the Ith, the IIth, III with
And IV, make each location structure 35 have corresponding symbolic coding.
Please join shown in Fig. 5, described clamping piece 40 is installed in the first end 12 of described pedestal 10, and has one
Grasping part 41, in order to a clamping X-ray 60, in this preferred embodiment, described clamping piece 40 has
One base 42 and one elastic clamping 43, described base 42 one end upwardly extends formation at least one baffle plate 421,
The other end is installed in described elasticity clamping 43, makes to be formed between described baffle plate 421 and elasticity clamping 43 institute
State grasping part 41.
Described locating rack 50 has the locating ring 52 that a connecting rod 51 and is hubbed at described connecting rod 51,
Described connecting rod 51 is with the installation of the second end 13 of described pedestal 10, and described locating ring 52 is in order to position
One X-ray machine exposure tube 80 (ginseng Fig. 9) so that the locating ring of described locating rack 50 the 52nd, described keeper 30
Measurement scales 31 and described X-ray 60 three jointly present a parastate.In addition, described
The partial section of locating rack 50 is provided with one across the bend 53 setting sufferer cheek, and thereby, described X-ray machine shines
Penetrate pipe 80 to be hindered by the sufferer corners of the mouth, every the tooth being clearly irradiated in sufferer oral cavity.
Referring again to shown in Fig. 1, pedestal 10 first end of the present invention 12nd, the second end 13 is with described clamping piece the 40th,
Between locating rack 50, identical connecting structure is used to interconnect, in graphic preferred embodiment, described pedestal
First end 12 of 10 and the second end 13 are respectively equipped with at least one card fixing component 70, on described card fixing component 70
Having one group of bit block 71, it is described that described clamping piece 40 and locating rack 50 are then provided with that at least one pair of answers
The mutual clamping of fixing groove 72 of bit block 71.
But, use between described pedestal 10 two ends and clamping piece the 40th, locating rack 50 described bit block 71 with
And fix described card fixing component 70 purposes of discussion only for convenience that groove 72 is collectively forming, not limited
The group made between described pedestal 10 two ends and keeper the 30th, clamping piece 40 connects pattern, that is described pedestal 10
Can use between two ends and locating rack the 50th, clamping piece 40 and mutually corresponding as shown in Figure 6 paste assembly 73 phase
Inter-engaging, as shown in Figure 7 mutual corresponding chimeric assembly 74 be bonded with each other, also or mutually right as shown in Figure 8
The snapping assembly 75 answered is bonded with each other.
The position-finding device 1 of the present invention the first preferred embodiment is mainly when implant oral cavity to be squeezed into cheek side
Use.Referring again to shown in Fig. 2, first, described modeling composition 20 is installed in the fixing of described pedestal 10
Portion 11, and rest against described stopper section 14, and the stopper section 14 of described pedestal 10 is positioned at tooth tongue side, then
By described locating dowel 15 in order to be directed at tooth and interdental gingival position.
Referring again to shown in Fig. 3, upper row's tooth of sufferer is carried out snap-action, institute to described modeling composition 20
State the compression face 21 of modeling composition 20 by after dental articulation, it will form a corresponding sufferer tooth bottom shape
Moulding, meanwhile, bottom described modeling composition 20 and side will receive extruding towards described perforate 111 with open
Mouth 141 inserts the described filling part 22 of formation.Afterwards, hardening means are carried out to described modeling composition 20, make described
Even if modeling composition 20 is engaged once again by tooth, change physically also will not be produced.
Referring again to shown in Fig. 5, take out described pedestal 10 and modeling composition 20 subsequently, and will be equipped with described X
The clamping piece 40 of mating plate 60 is installed in the first end 12 of described pedestal 10, and described locating rack 50 is installed in institute
State the second end 13 of pedestal 10, and described keeper 30 is installed in the locating dowel 15 of described pedestal 10, then
Described pedestal 10 is put in sufferer oral cavity and is engaged.Now, the stopper section 14 and described X of described pedestal 10
Mating plate 60 is positioned at tooth tongue side, and described keeper 30 is positioned at tooth cheek side, and described locating rack 50 is positioned at disease
The oral external suffered from.Should be noted that Measurement scales 31 bottom of described keeper 30 necessarily be greater than sufferer
Gum line, so begin to allow described X-ray 60 after irradiating via described X-ray machine exposure tube 80 image,
The image of described keeper 30 can be clearly appeared from out.
Referring to shown in Fig. 9, the locating rack 50 that will be located in oral external installs described X-ray machine exposure tube 80,
Make the Measurement scales 31 described X corresponding with the X-ray 60 on described clamping piece 40 of described keeper 30
After the camera lens of ray machine exposure tube 80 presents a plumbness, proceed by image photographic, and in described X-ray
After 60 imagings, whole position-finding device 1 is taken out by sufferer oral cavity.
Refer to shown in Figure 10, described X-ray 60 via described X-ray machine exposure tube 80 image irradiation after,
The survey of tooth and interdental position relationship and described keeper 30 is would indicate that on described X-ray 60
Amount scale 31, now, image that dentist, odontologist will show by described X-ray 60, it is judged that implant implant
Optimal implantation point 61.
Refer to shown in Figure 11, finally, confirm described implant point 61 after, by described clamping piece 40 with fixed
Position frame 50 is removed from described pedestal 10, only leaves described keeper 30, and is located at putting described pedestal 10
Lower row's tooth of sufferer, then coordinate the compression face 21 of the described modeling composition 20 of sufferer occlusion, make described keeper
The Measurement scales 31 of 30 is with previous to put into position identical, and afterwards, dentist, odontologist can be according on described keeper 30
Optimal implant point 61 positions, directly implant is implanted the tooth cheek side of sufferer, implant so can be allowed accurate
Two teeth of implantation sufferer between.
Refer to shown in Figure 12 and Figure 13, in the second preferred embodiment, be with first embodiment difference
Described pedestal 10 puts the upper row's tooth being located at sufferer, makes lower row's tooth of sufferer sting and is fixed in described modeling composition 20
Compression face 21, and then make described X-ray 60 be illustrated on the location diagram of lower row's tooth, relatively
Dentist, odontologist can be allowed will to arrange the tooth cheek side of tooth under the implantation sufferer of implant preparation.
Other connect pattern about described pedestal the 10th, the group of clamping piece 40 and locating rack 50 and are then the same as first
Preferred embodiment, thereby can the tooth cheek side of row's tooth under rapid irradiance sufferer, allow the dentist, odontologist can be quickly accurate again
The tooth cheek really implant being implanted lower row's tooth is surveyed, identical with the first preferred embodiment as using method,
Not in this to go forth.
Refer to shown in Figure 14 and Figure 15, in the 3rd preferred embodiment, position-finding device 1 of the present invention
When being also usable in implant tooth to be squeezed into tongue side, now it is necessary to the institute that described locating dowel 15 will be coordinated to be socketed
State keeper 30, be positioned adjacent to pedestal 10 first end 12 of described clamping piece 40 so that described keeper
30 when subsequent procedures program, position is in tooth tongue side, and in this embodiment, described pedestal 10 will not
Form the stopper section 14 just like the first preferred embodiment.
As for the using method of the 3rd preferred embodiment, it is identical with the first preferred embodiment, in place of difference only
The implant procedure being last implant is to be carried out implanting rather than cheek side by oral cavity tongue side, therefore not in this to go forth.
Refer to shown in Figure 16 and Figure 17, in the 4th preferred embodiment, with the 3rd preferred embodiment difference
It is that described pedestal 10 furnishes the upper row's tooth in sufferer, make described keeper 30 be positioned at the tooth of lower row's tooth
Radula side, and then make described X-ray 60 present the location diagram being positioned at lower row's tooth, can allow dentist relatively
The tooth tongue side of row's tooth under the implantation sufferer that implant can be prepared by teacher.
In sum, the present invention is generally aligned in the same plane simultaneously with the X-ray being clamped on grasping part by keeper
Coordinate modeling composition to have the compression face of fixing teeth, make irradiation out X-ray can present tooth and keeper
Measurement scales relativeness, allows dentist, odontologist can quickly understand tooth and interdental position relationship, and then makes
Implant quickly can implant again default implantation point accurately, after reducing selected properly implanting a little, but still because of hand
Art human error and wounded person's root of the tooth situation.
It described above is merely exemplary for the purpose of the present invention, and nonrestrictive, ordinary skill people
Member understand, in the case of the spirit and scope being limited without departing from claim, can many modifications may be made,
Change or equivalence, but fall within protection scope of the present invention.
Claims (10)
1. oral cavity is corrected implant operation and is used a position-finding device, coordinates an X-ray and an X-ray machine to shine
Penetrate pipe to use, it is characterised in that comprise:
One pedestal, has one first end and a second relative end, and is provided with a fixed part at pedestal top；
One modeling composition, is installed in the fixed part of described pedestal, and is provided with one on modeling composition top for dental articulation
The compression face of positioning；
Positioning piece, is installed in described pedestal top, and has a measurement made with X-ray impermeability material
Scale；And
One clamping piece, is installed in the first end of described pedestal, and the clamping with a clamping described X-ray is empty
Between, make described X-ray parallel with the Measurement scales of described keeper.
2. oral cavity is corrected implant operation and is used position-finding device according to claim 1, it is characterised in that institute
Stating oral cavity rectification implant operation position-finding device and being further provided with a locating rack, described locating rack is installed in
Second end of described pedestal, described locating rack simultaneously has a connecting rod and and is articulated in determining of described connecting rod
Position ring, described locating ring is sheathed is positioned described X-ray machine exposure tube.
3. oral cavity is corrected implant operation and is used position-finding device according to claim 2, it is characterised in that institute
State pedestal two ends and keeper, use between clamping piece and mutually corresponding paste assembly, card fixing component, snapping
Assembly or chimeric assembly are mutually assembled.
4. oral cavity is corrected implant operation and is used position-finding device according to claim 2, it is characterised in that institute
Stating the partial section of connecting rod is one can be across the bend setting cheek.
5. oral cavity is corrected implant operation and is used position-finding device according to claim 2, it is characterised in that institute
State the locating ring of locating rack, the Measurement scales of described keeper and described X-ray three parallel.
6. oral cavity is corrected implant operation and is used position-finding device according to claim 1, it is characterised in that institute
The fixed part stating pedestal is set to plurality of openings, and extends a plurality of filling part bottom described modeling composition, institute
State filling part and be mutually clamped positioning with perforate.
7. oral cavity is corrected implant operation and is used position-finding device according to claim 1, it is characterised in that institute
State pedestal top stretch out formation at least one stopper section, be used for preventing outside described modeling composition pressurized deformation
Convex in described pedestal, and described stopper section is provided with plurality of openings.
8. oral cavity is corrected implant operation and is used position-finding device according to claim 1, it is characterised in that institute
Stating modeling composition is to be made up of gypsum, resin, silica gel or wax.
9. oral cavity is corrected implant operation and is used position-finding device according to claim 1, it is characterised in that institute
Stating clamping piece and having a base and clamping an of elasticity, described base one end stretches out and forms at least one gear
Plate, clamping of the described elasticity of other end installing, and it is collectively forming described between described baffle plate and clamping of elasticity
Grasping part.
10. oral cavity is corrected implant operation and is used position-finding device according to claim 1, it is characterised in that
Described pedestal upwardly extends formation one locating dowel, and described keeper is sheathed on described locating dowel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310309266.XA CN104323793B (en) | 2013-07-22 | 2013-07-22 | Oral cavity is corrected implant operation and is used position-finding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310309266.XA CN104323793B (en) | 2013-07-22 | 2013-07-22 | Oral cavity is corrected implant operation and is used position-finding device |
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| CN104323793A CN104323793A (en) | 2015-02-04 |
| CN104323793B true CN104323793B (en) | 2016-10-05 |
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| CN201310309266.XA Active CN104323793B (en) | 2013-07-22 | 2013-07-22 | Oral cavity is corrected implant operation and is used position-finding device |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108542418B (en) * | 2018-02-11 | 2020-04-28 | 中国人民解放军总医院 | Local denture base combined type dental film photographing positioning and measuring device |
| CN111388002A (en) * | 2020-03-27 | 2020-07-10 | 上海市口腔病防治院 | Wing type biting wing piece holder capable of being used for measuring data and use method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6118842A (en) * | 1996-12-10 | 2000-09-12 | J. Morita Manufacturing Corporation | X-ray imaging apparatus |
| CN102325500A (en) * | 2009-02-27 | 2012-01-18 | 您可试股份有限公司 | Intraoral photography aid |
| CN203379133U (en) * | 2013-07-22 | 2014-01-08 | 万得福牙材有限公司 | Position-finding device for oral corrective implant operation |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09313482A (en) * | 1996-05-30 | 1997-12-09 | Riyuusuke Sakagami | Dental x-ray standard photographing device using laser |
-
2013
- 2013-07-22 CN CN201310309266.XA patent/CN104323793B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6118842A (en) * | 1996-12-10 | 2000-09-12 | J. Morita Manufacturing Corporation | X-ray imaging apparatus |
| CN102325500A (en) * | 2009-02-27 | 2012-01-18 | 您可试股份有限公司 | Intraoral photography aid |
| CN203379133U (en) * | 2013-07-22 | 2014-01-08 | 万得福牙材有限公司 | Position-finding device for oral corrective implant operation |
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