CN106377434B - The manufacturing method of canalis radicis dentis filling point - Google Patents
The manufacturing method of canalis radicis dentis filling point Download PDFInfo
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- CN106377434B CN106377434B CN201611018537.6A CN201611018537A CN106377434B CN 106377434 B CN106377434 B CN 106377434B CN 201611018537 A CN201611018537 A CN 201611018537A CN 106377434 B CN106377434 B CN 106377434B
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K6/00—Preparations for dentistry
- A61K6/80—Preparations for artificial teeth, for filling teeth or for capping teeth
- A61K6/84—Preparations for artificial teeth, for filling teeth or for capping teeth comprising metals or alloys
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Abstract
The present invention provides a kind of manufacturing methods of canalis radicis dentis filling point, belong to field of medical device, comprising the following steps: step 1 selects medical titanium alloy wire of the no vanadium without nickel as raw material；Step 2, the first end of the titanium alloy wire by no vanadium without nickel are processed into cone, form closed section；Step 3, self-enclosed section of butt end rises and processes filling section on titanium alloy wire of no vanadium without nickel；Step 4 is cut into a plurality of graduation mark from one end of filling section to form the depth of end segment measurement section on titanium alloy wire of no vanadium without nickel；Filling section is placed in the type chamber center of mold by step 5, mold of the manufacture one with type chamber, and the gutta-percha into type chamber after injection heating makes gutta-percha uniformly be wrapped in filling section surrounding.The canalis radicis dentis of manufacturing method provided by the invention manufacture fills point, uses titanium alloy wire of no vanadium without nickel as raw material, good biocompatibility, and use is safe；It is an integral molding structure, without welding, the harmful substance in solder is avoided to penetrate into human body.
Description
Technical field
The present invention relates to field of medical device more particularly to a kind of manufacturing methods of canalis radicis dentis filling point.
Background technique
Canalis radicis dentis is the oral cavity structure of Its pulp.It is cavity structure among tooth, referred to as pulp cavity, pulp cavity structure upper is wide
Wealthy, referred to as pulp chamber includes the soft tissues such as dental pulp；Pulp cavity structure bottom has the root canal of tubulose, i.e. canalis radicis dentis, by export dental nerve
With the blood vessel of trophic nerve.
Root canal treatment is the most commonly used effective treatment method in the world of dental pulp disease and periapical disease.The original of root canal therapy
Reason is the most of infectious agent removed in root canal by mechanically and chemically method, and by root canal filling, closing bizet, prevents from sending out
Raw periapical lesion or the healing for promoting the periapical lesion having occurred and that.
The process of root canal treatment substantially claps X-ray to dental area in need for the treatment of, determines position in need for the treatment of；If tooth
Some survival of marrow, needs liquor-saturated using local anaesthesia；If total necrosis is not needed using anesthesia；Decayed tooth position is carried out
Pulp cavity opens expansion art；By the dental pulp removal of necrosis inside pulp cavity；With the infectious agent at root canal file removal root canal position, root canal is expanded
, in order to fill；Root canal is rinsed with Special sterilizing liquid to disinfect；Root canal is filled with special filling substance, does sterile place
Reason.
It wherein, is a step mostly important in entire root canal treatment with special filling substance filling root canal, in the process
Needing to select includes filling member or obturator, and also referred to as filler, shape are elongate rod, has proximal handle portion.In filler
It has been put into after canalis radicis dentis, the proximal part of filler and distal portions is cut or disconnected, distal portions is made to stay in canalis radicis dentis
It is interior.
Tooth root canal filling material in the prior art after filler mixing is added, is handled mainly using natural rubber as raw material
Work is process.The biocompatibility of the filling member is poor, there is certain toxicity, and cell toxicity test is weakly positive.Moreover, hand
Work production, being limited to manufacturing technology international standard allows positive negative error to be 0.05mm to 0.07mm, when have doctor occur it is super fill with
The case where charge less is filled out directly affects therapeutic effect.Because being limitation pointed portion of the natural rubber material by material physicochemical property
Relatively soft, doctor is more troublesome in operation, time-consuming and laborious.
Alternatively, being the method that core wraps up gutta-percha with plastics, still, biocompatibility is poor, and plastic material also should not be forever
Long property is placed in tissue.
In addition, there are also a kind of filling members made of titanium nickel alloy material in the prior art.It refering to fig. 1, as shown, should
Filling member includes being divided into 1 ' of tip, 2 ' of middle part, kind tooth nail 3 ' and 4 ' of grab handle；1 ' of tip is welded on the bottom of 2 ' of middle part,
Kind tooth follows closely the top that 3 ' are welded on 2 ' of middle part, and 4 ' of grab handle is welded on the top that kind of tooth follows closely 3 '.Wherein, 1 ' of tip and kind tooth nail
3 ' are pure titanium matter, and still, 2 ' of middle part is dilval material, and 4 ' of grab handle is ABS material.
The shortcomings that above-mentioned filling member are as follows: two adjacent components are all made of the connection type of welding, there are pad, intensity compared with
Difference, and it is rough；In dilval, nickel has certain toxicity, and there are serious security risks.
In conclusion being badly in need of currently on the market a kind of using safe, intensity height, good biocompatibility, the high tooth of practicability
The manufacturing method of root canal deviation part.
Summary of the invention
Safe, intensity height, good biocompatibility, the high canalis radicis dentis of practicability are used the purpose of the present invention is to provide a kind of
Fill the manufacturing method of point.
To achieve the goals above, the present invention provides a kind of manufacturing method of canalis radicis dentis filling point, comprising the following steps:
Step 1 selects medical titanium alloy wire of the no vanadium without nickel as raw material；
Step 2, the first end of the titanium alloy wire using machining equipment by no vanadium without nickel are processed into cone, are formed
Closed section；
Step 3, using machining equipment on titanium alloy wire of no vanadium without nickel, self-enclosed section of butt end, which rises, to be processed
Diameter is less than the filling section of closed section；
Step 4 is cut into from one end of filling section using machining equipment on titanium alloy wire of no vanadium without nickel
A plurality of graduation mark measures section with the depth for forming end segment；When the root of closed section insertion canalis radicis dentis, the depth measures section
Show insertion depth；
Filling section is placed in the type chamber center of mold, injected into type chamber by step 5, mold of the manufacture one with type chamber
Gutta-percha after heating makes gutta-percha uniformly be wrapped in filling section surrounding.
Further, in the step 2, by closed section be cut into taper be 0.01~0.12 it is coniform.
Further, in the step 3, it is trapezoidal cone cell that filling section, which is cut into section, and fills the outer diameter of section
Close to closed section, the big one end of outer diameter for filling section measures section close to depth for small one end.
Further, in the step 3, filling section is cut into cylindric.
Further, in the step 3, the net surface structure convenient for gutta-percha attachment, spiral shell are cut on the surface of filling section
Line structure or burr face structure.
Further, in the step 4, in the tail portion of depth measurement section, high temperature resistant nylon or rubber-plastics material are utilized
The handle that method through being molded is made convenient for doctor's operation.
Further, in the step 4, handle is equipped with skid resistance strip.
Further, in the step 4, the graduation mark of cutting is a plurality of groove ring, and a plurality of groove ring is equidistant
Distribution, the distance between two adjacent groove rings are 1mm.
Further, in the step 5, the longitudinal section of the type chamber of the mold be it is trapezoidal, after making to have wrapped up gutta-percha
Filling section it is tapered.
Further, in the step 2, the size of the closed section processed is 2~5mm；In the step 3,
The size of the filling section processed is 13~17mm；In the step 4, the size of the end segment processed is 6~9mm.
Compared to the prior art, the manufacturing method of canalis radicis dentis filling point provided by the invention, the canalis radicis dentis of manufacture fill point
It has the advantage that
1, titanium alloy wire of the canalis radicis dentis filling point using no vanadium without nickel is the core material of root canal treatment, is currently known life
The best biomaterial of object compatibility, cell toxicity test are feminine gender；Therefore, safe and reliable；
2, canalis radicis dentis filling point, closed section use no vanadium also to keep away without the titanium alloy of nickel because of good biocompatibility completely
Exempt from gutta-percha part and contacts the failure for causing root canal treatment because stimulating organization of root tips with apex radicis dentis tissue；
3, select the titanium alloy wire without vanadium without nickel as raw material, it is integrally formed；Without welding, the nuisance in solder is avoided
Matter penetrates into human body；There is no weld seam, mechanical strength is higher；And can be realized precision machinery processing, technical positive negative error can be with
In 0.02mm, the filling closing close to canalis radicis dentis root is more closely sealed for control, improves therapeutic efficiency and therapeutic effect；
4, due to selecting the titanium alloy wire without vanadium without nickel as raw material, there are certain pliability and operability, canalis radicis dentis
Filling point overcomes traditional product drawback not easy to operate convenient for can smoothly enter into the position of setting with different root canal morphologies；
5, the surface of titanium alloy wire of this case requirement with lathe by no vanadium without nickel is cut into thorn-like or annular recess, is conducive to
The gutta-percha root canal filling chamber that will have been heated and softened；
6, end segment is equipped with depth and measures section, and when the root of closed section insertion canalis radicis dentis, the depth measurement section is shown
Insertion depth judges whether pointed portion reaches the position of requirement convenient for doctor in operation；
7, the end segment further includes a flat handle, and the handle is equipped with skid resistance strip；Convenient for operator
Grip canalis radicis dentis filling point.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of structural schematic diagram of canalis radicis dentis filling point with kind of tooth nail in the prior art；
Fig. 2 is the structural representation that a kind of embodiment of point is filled using the canalis radicis dentis of manufacturing method provided by the invention manufacture
Figure；
Fig. 3 is that the structure of another embodiment of the canalis radicis dentis filling point manufactured using manufacturing method provided by the invention is shown
It is intended to；
Fig. 4 is a kind of embodiment that the filling section of point is filled using the canalis radicis dentis of manufacturing method provided by the invention manufacture
Partial enlarged view；
Fig. 5 is another embodiment that the filling section of point is filled using the canalis radicis dentis of manufacturing method provided by the invention manufacture
Partial enlarged view；
Fig. 6 is another embodiment that the filling section of point is filled using the canalis radicis dentis of manufacturing method provided by the invention manufacture
Partial enlarged view.
Appended drawing reference:
The tip 1 '-；2 '-middle part；3 '-kinds of tooth nail；
4 '-grab handle；
1- closed section；2- fills section；3- end segment；
4- gutta-percha；21- burr face structure；22- helicitic texture；
23- net surface structure；31- depth measures section；32- lever piece；
321- handle.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
Fig. 2 is the structural representation that a kind of embodiment of point is filled using the canalis radicis dentis of manufacturing method provided by the invention manufacture
Figure；Fig. 3 is the structural schematic diagram that another embodiment of point is filled using the canalis radicis dentis of manufacturing method provided by the invention manufacture；
Fig. 4 is the partial enlargement that a kind of embodiment of filling section of point is filled using the canalis radicis dentis of manufacturing method provided by the invention manufacture
Figure；Fig. 5 is the office that another embodiment of filling section of point is filled using the canalis radicis dentis of manufacturing method provided by the invention manufacture
Portion's enlarged drawing；Fig. 6 is another implementation that the filling section of point is filled using the canalis radicis dentis of manufacturing method provided by the invention manufacture
The partial enlarged view of example.
The manufacturing method of canalis radicis dentis filling point provided by the invention, comprising the following steps:
Step 1 selects medical titanium alloy wire of the no vanadium without nickel as raw material.
Step 2,0~3mm sections of the processing from no vanadium is without the first end of the titanium alloy wire of nickel；Utilize accurate mechanical equipment
The first end of titanium alloy wire by no vanadium without nickel is processed into cone shape into closed section 1.The taper of closed section 1 is 0.01~0.12
Between, it can be 0.01,0.02,0.03,0.04,0.05,0.06,0.07,0.08,0.09,0.10,0.11,0.12 etc., it can also
With criteria of right and wrong taper.
The root canal chamber that can be prepared with clinician matches, and technical positive negative error can control in 0.02mm range
It is interior, improve the success rate when accuracy and treatment of doctor's placement.
Step 3,3~16mm sections of the processing from no vanadium is without the first end of the titanium alloy wire of nickel；Utilize accurate mechanical equipment
On titanium alloy wire of no vanadium without nickel, self-enclosed section 1 of butt end, which rises, processes the filling section 2 that diameter is less than closed section 1.
Filling section 2 is cut into cylindric；Or it is trapezoidal cone cell that filling section 2, which is cut into section, and fills section 2
For the small one end of outer diameter close to closed section 1, one end that the outer diameter of filling section 2 is big measures section 31 close to depth.
As Figure 4-Figure 6, net surface structure 23, the helicitic texture 22 adhered to convenient for gutta-percha 4 is cut on the surface of filling section 2
Or burr face structure 21.
Step 4,
16~24mm sections of the processing from no vanadium is without the first end of the titanium alloy wire of nickel；Using machining equipment in no vanadium
On titanium alloy wire without nickel, 18mm, 19mm, 20mm, 21mm, 22mm, 23mm from no vanadium is without the first end of the titanium alloy wire of nickel
And do ring-type at 24mm and be cut into scale, section 31 is measured to form the depth of end segment 3；When closed section 1 is inserted into canalis radicis dentis
When root, the depth measurement section 31 shows insertion depth；Judge whether in place root fills in operation convenient for doctor.
24~28mm sections of the processing from no vanadium is without the first end of the titanium alloy wire of nickel；The processing of this section can there are two types of sides
Formula:
The first, the handle 321 that the method using high temperature resistant rubber-plastics material through being molded is made convenient for doctor's operation, such as Fig. 2
It is shown；
Second, continues to be cut into scale with lathe ring-type at 25mm, 26mm, 27mm, 28mm, be held convenient for doctor dedicated
Tweezers securely operate, as shown in Figure 3.
Filling section 2 is placed in the type chamber center of mold, infused into type chamber by step 5, mold of the manufacture one with type chamber
Gutta-percha 4 after entering heating makes gutta-percha 4 uniformly be wrapped in filling 2 surrounding of section.
The longitudinal section of the type chamber of mold be it is trapezoidal, the filling section 2 for making to have wrapped up after gutta-percha 4 is tapered.After wrapping up gutta-percha 4
Filling section 2 shape and canalis radicis dentis shape adaptation, can closely fill canalis radicis dentis.The outer diameter for filling section 2 should not
Less than the maximum outside diameter size of closed section 1, using the pliability and operability for ensuring its position as principle.
The manufacturing method of canalis radicis dentis filling point provided by the invention, in the step 2, the ruler of the closed section 1 processed
Very little is 2~5mm；In the step 3, the size of the filling section 2 processed is 13~17mm；In the step 4, processing
The size of end segment 3 out is 6~9mm.
The structure of the filling point of manufacturing method manufacture through canalis radicis dentis provided by the invention filling point is as shown in Figure 2 or Figure 3.
Canalis radicis dentis filling point, comprising:
Closed section 1, the outer diameter of the second end of the closed section 1 is greater than the outer diameter of first end, in order to be inserted into
The root of canalis radicis dentis；
Section 2 is filled, the first end of the filling section 2 is connected at the center of the end face of the second end of the closed section 1, such as
Shown in Fig. 4-6, the filling section 2 is equipped with net surface structure 23, helicitic texture 22 or burr face structure 21,2 outside of filling section
It is enclosed with gutta-percha 4；The shape adaptation of filling section 2 shape and canalis radicis dentis after wrapping up gutta-percha 4, can closely fill canalis radicis dentis.
End segment 3, the end segment 3 are connected to the second end of filling section 2；The end segment 3 is equipped with depth and measures section 31
With lever piece 32, the depth measurement section 31 is directly connected to filling section 2, described when closed section 1 is inserted into the root of canalis radicis dentis
Depth measures section 31 and shows insertion depth；The lever piece 32 is connect with depth measurement section 31；Lever piece 32 can be and depth
The identical graduated structure of section 31 is measured, can also be 321 structure of handle.
The closed section 1, filling section 2 and end segment are not have the integrally formed structure of weld seam；And it closed section 1, fills
It fills out section 2 and end segment 3 is titanium alloy material of no vanadium without nickel.
Titanium alloy of the no vanadium without nickel is Ti-6AL-7NB, Ti-5Al-2.5Fe, Ti-13Nb-13Zr, Ti-12Mo-6Zn-
2Fe、Ti-15Mo-2.8Nb-0.2Si、Ti-15Nb、Ti-16Nb-10Hf、Ti-15Mo-3Nb、Ti-35Nb-5Ta-7Zr、
TiZrMoNb, TiZrSnMoNb or Ti24Nb4Zr7.6Sn.
Compared to the prior art, the manufacturing method of canalis radicis dentis filling point provided by the invention, the canalis radicis dentis of manufacture fill point
It has the advantage that
1, canalis radicis dentis filling point, the titanium alloy wire using no vanadium without nickel are the core material of root canal treatment, are currently known
The best biomaterial of biocompatibility, cell toxicity test are feminine gender；Therefore, safe and reliable；
2, canalis radicis dentis filling point, titanium alloy of the closed section 1 completely using no vanadium without nickel, because of good biocompatibility,
It avoids 4 part of gutta-percha and contacts the failure for causing root canal treatment because stimulating organization of root tips with apex radicis dentis tissue；
3, select the titanium alloy wire without vanadium without nickel as raw material, it is integrally formed；Without welding, the nuisance in solder is avoided
Matter penetrates into human body；There is no weld seam, mechanical strength is higher；And can be realized precision machinery processing, technical positive negative error can be with
In 0.02mm, the filling closing close to canalis radicis dentis root is more closely sealed for control, improves therapeutic efficiency and therapeutic effect；
4, due to selecting the titanium alloy wire without vanadium without nickel as raw material, there are certain pliability and operability, canalis radicis dentis
Filling point overcomes traditional product drawback not easy to operate convenient for can smoothly enter into the position of setting with different root canal morphologies；
5, the surface of titanium alloy wire of this case requirement with lathe by no vanadium without nickel is cut into thorn-like or annular recess, is conducive to
The 4 root canal filling chamber of gutta-percha that will have been heated and softened；
6, end segment 3 is equipped with depth and measures section 31, and when closed section 1 is inserted into the root of canalis radicis dentis, the depth measures section
31 display insertion depths, judge whether pointed portion reaches the position of requirement convenient for doctor in operation；
7, the end segment 3 further includes a flat handle 321, and the handle 321 is equipped with skid resistance strip；Convenient for behaviour
Make personnel's grip canalis radicis dentis filling point.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (10)
1. a kind of manufacturing method of canalis radicis dentis filling point, which comprises the following steps:
Step 1 selects medical titanium alloy wire of the no vanadium without nickel as raw material；
Step 2, the first end of the titanium alloy wire using machining equipment by no vanadium without nickel are processed into cone, form closing
Section；
Step 3, using machining equipment on titanium alloy wire of no vanadium without nickel, self-enclosed section of butt end, which rises, processes diameter
Less than the filling section of closed section；
Step 4 is cut into a plurality of using machining equipment on titanium alloy wire of no vanadium without nickel from one end of filling section
Graduation mark measures section with the depth for forming end segment；When the root of closed section insertion canalis radicis dentis, the depth measurement section is shown
Insertion depth；
Filling section is placed in the type chamber center of mold, the injection heating into type chamber by step 5, mold of the manufacture one with type chamber
Gutta-percha afterwards makes gutta-percha uniformly be wrapped in filling section surrounding.
2. the manufacturing method of canalis radicis dentis filling point according to claim 1, which is characterized in that in the step 2, will
Closed section be cut into taper be 0.01~0.12 it is coniform.
3. the manufacturing method of canalis radicis dentis filling point according to claim 1, which is characterized in that, will in the step 3
It is trapezoidal cone cell that filling section, which is cut into section, and fills small one end of outer diameter of section close to closed section, and the outer diameter for filling section is big
One end close to depth measure section.
4. the manufacturing method of canalis radicis dentis filling point according to claim 1, which is characterized in that, will in the step 3
Filling section is cut into cylindric.
5. the according to claim 1, manufacturing method of the filling of canalis radicis dentis described in 3 or 4 point, which is characterized in that in the step 3
In, net surface structure, helicitic texture or burr face structure convenient for gutta-percha attachment are cut on the surface of filling section.
6. the manufacturing method of canalis radicis dentis filling point according to claim 1, which is characterized in that in the step 4,
Depth measures the tail portion of section, the hand that the method using high temperature resistant nylon or rubber-plastics material through being molded is made convenient for doctor's operation
Handle.
7. the manufacturing method of canalis radicis dentis filling point according to claim 6, which is characterized in that handle is equipped with tread plate
Line.
8. the manufacturing method of canalis radicis dentis filling point according to claim 1, which is characterized in that in the step 4, cut
The graduation mark cut is a plurality of groove ring, and a plurality of groove ring equidistantly distributed, the distance between two adjacent groove rings are
1mm。
9. the manufacturing method of canalis radicis dentis filling point according to claim 1, which is characterized in that in the step 5, institute
State the longitudinal section of the type chamber of mold be it is trapezoidal, the filling section for making to have wrapped up after gutta-percha is tapered.
10. the manufacturing method of canalis radicis dentis filling point according to claim 1, which is characterized in that in the step 2, add
The size for the closed section that work goes out is 2~5mm；In the step 3, the size of the filling section processed is 13~17mm；Institute
It states in step 4, the size of the end segment processed is 6~9mm.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611018537.6A CN106377434B (en) | 2016-11-18 | 2016-11-18 | The manufacturing method of canalis radicis dentis filling point |
| PCT/CN2017/111478 WO2018090960A1 (en) | 2016-11-18 | 2017-11-17 | Method for manufacturing root canal filling tip, and root canal filling tip |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611018537.6A CN106377434B (en) | 2016-11-18 | 2016-11-18 | The manufacturing method of canalis radicis dentis filling point |
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| CN106377434B true CN106377434B (en) | 2019-06-11 |
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|---|---|---|---|---|
| CN106377434B (en) * | 2016-11-18 | 2019-06-11 | 莫总鸣 | The manufacturing method of canalis radicis dentis filling point |
| CN108354681A (en) * | 2018-03-08 | 2018-08-03 | 南京医科大学附属口腔医院 | Maintenance, the integrated gutta-percha point of tip of a root closing in a kind of argentiferous titanium alloy root pipe |
| CN109394354B (en) * | 2018-12-26 | 2024-06-21 | 常州赛乐医疗技术有限公司 | Tooth gel filling instrument easy to clean and maintain |
| ES2864877B2 (en) * | 2020-04-13 | 2022-10-14 | Galician Endodontic Company S L | ENDODONTIC OBTURATOR WITH GUTTA-PERCHA ROD AND APPLICATION PROCEDURE |
| CN112754689B (en) * | 2021-01-13 | 2022-06-21 | 深圳和光医用橡胶材料科技有限公司 | Gutta-percha point |
| CN113146904B (en) * | 2021-04-23 | 2022-07-01 | 四川大学 | Gutta-percha mould and gutta-percha customization device |
| CN114288041B (en) * | 2021-12-20 | 2023-02-03 | 四川大学 | Individualized filler for root canal barrier surgery and manufacturing method and application thereof |
| CN114714625B (en) * | 2022-03-25 | 2023-11-21 | 兰州大学 | Method for manufacturing personalized root canal filling material by using 3D printing mode |
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| CA2939359C (en) * | 2013-02-21 | 2020-12-29 | Nathan Y. Li | Multi-taper dental root canal filling points/cones and process of making same |
| CN106377434B (en) * | 2016-11-18 | 2019-06-11 | 莫总鸣 | The manufacturing method of canalis radicis dentis filling point |
| CN206526295U (en) * | 2016-11-18 | 2017-09-29 | 莫总鸣 | Canalis radicis dentis filling point |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN106377434A (en) | 2017-02-08 |
| WO2018090960A1 (en) | 2018-05-24 |
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Effective date of registration: 20230828 Address after: Block B and C, 2nd and 3rd floors, Building 21, No. 3825 Xinzhuan Road, Dongjing Town, Songjiang District, Shanghai, 201600 Patentee after: SHANGHAI XINGYU MEDICAL EQUIPMENT Co.,Ltd. Address before: Room 301, Building 54, No. 1713 Hami Road, Changning District, Shanghai, 200000 Patentee before: Mo Zongming |