CN1981719A - Artificial tooth implanter and its shaping method - Google Patents
Artificial tooth implanter and its shaping method Download PDFInfo
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- CN1981719A CN1981719A CN 200510136968 CN200510136968A CN1981719A CN 1981719 A CN1981719 A CN 1981719A CN 200510136968 CN200510136968 CN 200510136968 CN 200510136968 A CN200510136968 A CN 200510136968A CN 1981719 A CN1981719 A CN 1981719A
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Abstract
A device for transplanting artificial tooth and its forming method are disclosed. It has spiral threads formed on its one part, a porous main body made up of the metallic powder by sintering, and a central insertion hole with a higher head and internal spiral threads.
Description
Technical field
The present invention relates to artificial tooth implanter and forming method thereof, relate in particular in its part and form the spiral shell tooth, form the fixture main body of forming by the porous of sintering metal powder molding at another part, and only adopt the artificial tooth implanter and the forming method thereof of screw type and porous type advantage.
Background technology
When loss of tooth, usually employing is manually planted the tooth mode and is treated, and this tooth mode of manually planting adopts under the situation that does not eliminate adjacent teeth, at the position of loss of tooth implantable artificial tooth, with the Therapeutic Method at the tooth position that replaces coming off.
This tooth of manually planting is by implanting in the dentary, i.e. adjacency (abutment) that the fixture of heeling-in (fixture), the said apparatus device of healing combine and the artificial tooth attachment that combines with above-mentioned adjacency constitute.
At this, the central authorities of said apparatus device are provided with the patchhole that forms nut bore with certain depth, and its top is provided with the hexagon-head of certain altitude, and the below of above-mentioned hexagon-head is provided with main body, and according to the shape of aforementioned body, are divided into screw type and porous type.
Above-mentioned screw type is being formed on the main body of one by Titanium (titanium), and cutting is formed with the spiral shell tooth.This modus operandi is placed in the hole that therapentic part forms under the state of main body, when utilizing the hand-operated tools turning hexagon-head, along the spiral shell tooth direction that on aforementioned body, forms, by the said apparatus device at the artificial tooth of dentary heeling-in.
Above-mentioned screw type fixture is the mode of the most generally using at present, has spread among unspecific most surgical staff.The initial heeling-in operation of this mode is convenient, especially remarkably productive to the initial fixation of dentary.
But when the screw type fixture is processed the spiral shell tooth in main body, can cause the phenomenon of generating heat because of the cutting operation of occludator, and therefore heat and cause the spiral shell tooth surface to form oxide-film, if will form the screw type fixture heeling-in of above-mentioned oxide-film in dentary, adhesion between dentary and the fixture, therefore be the influence that affinity will be subjected to oxide-film, and can weaken the heeling-in power of the fixture of heeling-in in the dentary.
In addition, the fixture of heeling-in reduces because of bone fibres tissue and less surface area cause synosteosis intensity, especially after the operation of manually planting tooth finishes, the long-time use, the load that is taken place during promptly because of laboratory rodent chow is subjected to certain pressure, this pressure weakens affinity between the spiral shell tooth that forms dentary and fixture main body, therefore can cause the surface elevation phenomenon, and along the screw thread that in dentary, forms, with the loosening phenomenon of the reverse rising of initiating device device, finally can cause manually the plant problems such as odontoptosis of heeling-in in the dentary.
In view of the above problems, generally use recently can enlarge to greatest extent and dentary between the porous type fixture of sintered porous property metal dust molding of surface area.
File an application as the applicant, and No. the 459980th, the Korean Patent of the power of patenting (title: the incorporate porous of connector is given birth to body and manually planted the tooth formation system), the screw channel that above-mentioned porous type fixture forms with certain depth by main body, in the central authorities of aforementioned body, the connector that the upper end forms head, constitute in the porous main body of the main body periphery sintering metal powder molding of above-mentioned connector.
Above-mentioned porous type fixture has enlarged surface area to greatest extent by the porous main body of sintering metal powder molding, has effectively improved synosteosis, compressive strength with this, and has effectively shortened healing time.
But with the fixture heeling-in in dentary, and behind the covering gingiva, between the synosteosis healing period between dentary and the porous fixture pore, between the fixture pore during gingiva will permeate in above-mentioned heeling-in to dentary, so charges in the fixture pore, will replace osseous tissue by gingiva, and can reduce affinity thus.Especially in the porous fixture pore of heeling-in in the dentary, will pollute dentary because of invading antibacterial.
In addition, the product of porous type fixture for developing recently, therefore to those general surgery personnel that got used to the screw type fixture, be difficult to the operation of the different porous type fixture of the mode of undergoing surgery, therefore have only specific surgical staff just can finish the operation of this mode.
Summary of the invention
The objective of the invention is to create in order to solve the problems of the technologies described above, provide a part to form the spiral shell tooth in the fixture main body of heeling-in in the dentary, at the cellular structure of another part formation by the sintering metal powder molding, initial facilitating operation, enlarge by the initial fixation power between spiral shell tooth and dentary to greatest extent, and by bond strength between cellular structure raising and dentary and the artificial tooth implanter and the forming method thereof that can effectively shorten healing time.
Another object of the present invention is to, provide unspecific most surgical staffs also can conveniently use, and the back that can prevent to perform the operation is long-time uses pressure due to the load that causes to cause heeling-in manually to plant the odontoseisis phenomenon in the dentary, with artificial tooth implanter and the forming method thereof that effectively overcomes limit service time.
Description of drawings
Fig. 1 is the fixture sketch map of relevant the present invention the 1st embodiment.
Fig. 2 is the sectional view of relevant Fig. 1.
Fig. 3 is relevant in the 1st embodiment of the present invention, at the circuit diagram of fixture sintering metal powder molding.
Fig. 4 is the fixture molding procedure figure of relevant the present invention the 1st embodiment.
Fig. 5 is the fixture sketch map of relevant the present invention the 2nd embodiment.
Fig. 6 is the fixture sketch map of relevant the present invention the 3rd embodiment.
The symbol description of accompanying drawing major part
1: fixture 12: patchhole
14: head 16: main body
20: screw portion 30: porous portion
The specific embodiment
To achieve these goals, artificial tooth implanter embodiment among the present invention, be provided with the patchhole that forms nut in the central, and form the head of certain altitude above it, below above-mentioned head, form main body, by aforementioned body heeling-in dentary, and by above-mentioned patchhole, connect adjacency and attachment successively, be implanted in the dentary will manually planting tooth.Upper end, central authorities or lower end in said apparatus device main body are provided with screw portion, and are provided with the porous portion that is made up of the porous pore (32) of sintering metal powder molding at other position of main body.
In the present invention, should be in the upper end of main body and certain position of lower end form screw portion, and form porous portion, the cone shape that this main body should tilt along the below at an angle from the top at the central part between the two ends up and down.
The forming method of artificial tooth implanter among the present invention, be made up of following several steps: promptly, the 1st procedure of processing, form the patchhole of nut bore in central authorities, certain altitude forms head up, and forms main body below above-mentioned head; The 2nd procedure of processing, form the spiral shell tooth, and form the cutting space of being cut by the spiral shell tooth depth at other position at the certain position of main body that forms by above-mentioned the 1st procedure of processing; Pack into step, insert body in the main body periphery that forms by above-mentioned the 2nd procedure of processing, and the cutting of the main body in being inserted into above-mentioned body space, the metal dust of packing into; Discharge step, in the body of the insertion main body that forms by the above-mentioned step of packing into, connection electrode respectively, and under the state of giving above-mentioned electrode charging by charger, sparking; Sintering step, the high voltage by sparking to body in above-mentioned discharge step are located at the metal dust in the main body cutting space that is inserted in the above-mentioned body, by the periphery sinter molding porous portion of high voltage in main body.
Below with reference to accompanying drawings the embodiment of the invention is elaborated.
Fig. 1 is the fixture sketch map of relevant the present invention the 1st embodiment, Fig. 2 is the sectional view of relevant Fig. 1, Fig. 3 is relevant in the 1st embodiment of the present invention, and at the circuit diagram of fixture sintering metal powder molding, Fig. 4 is the fixture molding procedure figure of relevant the present invention the 1st embodiment.1～Fig. 4 is elaborated below with reference to accompanying drawings.
Said apparatus device (1) is provided with the patchhole (12) that forms nut in the central, and forms hexagonal head (14) above it, forms main body (16) in the below of above-mentioned head (14).Said apparatus device (1) is made of titanium, but is not limited to this condition.
Aforementioned body (16) should be formed on the screw portion (20) that a part is provided with the spiral shell tooth of certain-length at length direction, and at main body (16) another part except above-mentioned screw portion (20), forms the porous portion (30) that is provided with pore (32); Above-mentioned screw portion (20) then is formed at the top and bottom (22) (24) of main body (16) respectively with certain-length, and forms porous portion (30) in the space between the two ends (22) (24) up and down in main body (16), constitutes main body (16) with this.
In addition, the cone shape that aforementioned body (16) tilts along the lower end at an angle from the upper end, 2.5 ° angle of inclination should preferably be adopted in above-mentioned angle of inclination in 2 °～10 ° scopes.
As shown in Figure 4, in the fixture forming method of the present invention the 1st embodiment, the 1st procedure of processing (S10) is to form the patchhole that is provided with nut bore in central authorities, and certain altitude up forms head, the procedure of processing of the below formation main body of above-mentioned head.This is in normal screws formula fixture, and same or similar with the processing mode of state before main body processing spiral shell tooth, the Therefore, omited is to this detailed description.At this, be provided with the hexagonal head (14) of patchhole (12) and main body (16) the constituent apparatus device (1) that forms along the below of above-mentioned head (14) by central authorities.
The 2nd procedure of processing (S20) is to form the spiral shell tooth in a main body part that forms by above-mentioned the 1st procedure of processing (S10), and forms the spatial step of cutting that is equivalent to the spiral shell tooth depth at another part.This step goes up by occludator in main body (16) carries out screw processing, this moment is only in the part of main body (16), be that position, top and bottom (22) (24) forms the spiral shell tooth, then cut between the two ends (22) (24) up and down, and form cutting space (26) by occludator.
The step of packing into (S30) is to insert body in the main body periphery that forms by above-mentioned the 2nd procedure of processing (S20), and pack into the step of metal dust of the cutting of the main body in being inserted into above-mentioned body space.This step is by being inserted into the body (40) of main body (16) periphery, the metal dust of packing in the cutting space (26) of aforementioned body (16), and above-mentioned body (40) preferably adopts the product of being developed by Corning Incorporated that posts " Pyrex body " trade (brand) name in borosilicic acid sulfur glass.
Above-mentioned metal dust is when carrying out sinter molding by discharge, preferably adopting pore opening is the powder of 100～200nm, but concrete condition according to application target and surgical staff, can change the powder size of above-mentioned metal dust, and this technological thought and existing technological thought are identical, and the Therefore, omited is to this detailed description.
Discharge step (S40) is to insert by the above-mentioned step of packing into (S30) on the body of main body, connection electrode, and the step that sparks under the state of charging for above-mentioned electrode by charger respectively.
As shown in Figure 3, above-mentioned discharge step (S40) will be by inserting body (40) the two ends up and down of fixture (1), the shaped device (50) of connection electrode (52) (54), charger (62), booster (64), the 1st switch (66), capacitor (68) and the 2nd switch (69) of sparking usefulness for above-mentioned shaped device (50) are finished respectively.
Flow process to foregoing circuit figure explains the main points briefly as follows: from above-mentioned charger (62) supply 100 or 200 (V) power supply the time, and the high voltage that will in above-mentioned booster (64), carry out 1000～5000 (V) processing of boosting.At this, preferably boosted processing to 2500 (V).
The high voltage that boosts and handle by above-mentioned booster (64), to be charged to by the opening and closing movement of the 1st switch (66) in the capacitor (68), and be charged to high voltage in the above-mentioned capacitor (68), then will be by the opening and closing movement of the 2nd switch (69), through being located at the electrode (52) (54) on the above-mentioned shaped device (50), be discharged in the fixture (1).
In view of the above, be encased in the metal dust in said apparatus device (1) the cutting space (26), spark, be sintered molding and heal on main body (16) surface of fixture (1) by high-tension, and sinter molding porous metal powder in view of the above.Above-mentioned porous pore has the size of 100～200nm, can adopt different pore openings according to employed metal dust form.
Sintering step (S50) is at the high voltage by in above-mentioned discharge step (S40) body being sparked, make the metal dust that is enclosed in the main body cutting space that is inserted in the above-mentioned body, by the step of high pressure in main body periphery sinter molding porous portion.
Be encased in the metal dust in said apparatus device (1) the cutting space (26), to spark by high-tension, sinter molding is on main body (16) surface of fixture (1), and sintered porous in view of the above property metal dust, and above-mentioned porous pore (32) has the size of 100～200nm.
In view of the above, the two ends up and down (22) (24) of said apparatus device (1) main body (16) will form screw portion (20), and between the two ends up and down (22) (24) of aforementioned body (16), then will form the porous portion (30) by the powder sintered molding of porous metal.
The user mode of the fixture by the said method molding is as follows: at first at therapentic part, promptly in dentary, form the hole of certain depth, and under the state in the above-mentioned hole of the terminal placement of the main body (16) of fixture (1), if utilize hand-operated tools to rotate the upper end head (14) of said apparatus device (1), just will be by being formed at the spiral shell tooth of said apparatus device (1) lower end (24), in the hole of dentary, form screw channel and slowly inserted.
Said method is identical with the operation method of existing screw type fixture, therefore can use for unspecific most surgical staffs are convenient.
The two ends up and down (22) (24) of main body (16) are passed through in above-mentioned heeling-in to the fixture (1) in the dentary, by initial fixation in above-mentioned dentary, especially the fixture (1) of heeling-in in the dentary, the porous pore (32) of the porous portion that is provided with (30) that will be by being formed at main body (16) middle part, enlarged surface area to greatest extent, and increase the bond strength of dentary with this, effectively shorten healing time.
In addition, after the heeling-in fixture finished in dentary, the patchhole of said apparatus device (12) is interior will be successively in conjunction with adjacency and attachment, and finished artificial dental implant surgical with this.
That finishes operation manually plants tooth, even if because of the long-time load that causes of using causes pressure, also can by and above-mentioned dentary between keep bond strength porous portion (30), effectively prevent from manually to plant the phenomenon that tooth arbitrarily comes off.
Cutting slot (28) is located at screw portion (24) one sides that are formed at main body (16) lower end, and it can guarantee that the heeling-in process satisfactorily carries out when the initial dentary of heeling-in.
Fig. 5 is the fixture sketch map of relevant the present invention the 2nd embodiment.The main body of said apparatus device (1 ') forms the cutting space in the top, and the part of (24 ') forms screw portion (20 ') in the lower end, and cutting space in the top forms the porous portion (30 ') of sintering metal powder molding.
Because the main body lower end (24 ') of said apparatus device (1 ') is provided with screw portion (20 '), therefore adopt the heeling-in method that is same as the screw type fixture.
Fig. 6 is the fixture sketch map of relevant the present invention the 3rd embodiment.The main body of said apparatus device (1 ") (22 ') part in the top forms screw portion (20 "), and forms the cutting space in its lower end, and forms porous portion (30 ") of sintering metal powder molding in above-mentioned cutting space.
In addition, (30 ") end also will form around structure (34), conveniently to carry out (the heeling-in operation of 1 ") of said apparatus device being formed at porous portion on the aforementioned body.
Be provided with porous portion (30 ") because said apparatus device (1 ") is the main body lower end, therefore adopt the heeling-in method that is same as the porous type fixture.
According to the above-mentioned the 2nd and the 3rd embodiment, (method that is adopted among the method for the main body sinter molding metal dust of 1 ") and the 1st embodiment is identical, therefore it is not described in detail at fixture (1 ').
In view of the above, form screw portion at certain position of main body, and form the fixture that is provided with porous portion, with selecting the advantage of existing screw type fixture and porous type fixture for use, to finish new artificial dental implant surgical at its another part.
As mentioned above, the present invention forms the spiral shell tooth by the part in the fixture main body of heeling-in in the dentary, at the cellular structure of another part formation by the sintering metal powder molding, convenient initial operation, enlarge to greatest extent by the initial fixation power between spiral shell tooth and dentary, and by cellular structure improve and dentary between bond strength and can effectively shorten healing time.
In addition, by the present invention, unspecific most surgical staffs also can conveniently use, and the back that can prevent to perform the operation is long-time uses pressure due to the load that causes to cause heeling-in manually to plant the odontoseisis phenomenon in the dentary, effectively to overcome limit service time.
Above-mentioned description just illustrates an embodiment of artificial tooth implanter of the present invention and forming method thereof, the technology of the present invention is not limited to the foregoing description, therefore so long as have the technical staff of the common knowledge in the affiliated field of the present invention, all can in the scope that does not depart from the patent requirement, carry out various change and modification.
Claims (4)
1, tooth implanter has following feature; Should be provided with the patchhole that forms nut in central authorities, and form the head of certain altitude up, below above-mentioned head, form main body, by aforementioned body heeling-in dentary, and, connect adjacency and attachment successively by above-mentioned patchhole, be implanted in the dentary will manually plant tooth, certain position of said apparatus device main body is provided with the screw portion that forms the spiral shell tooth, and is provided with the porous portion that is made up of the porous pore of sintering metal powder molding at other position.
2, the tooth implanter according to claim 1 has following feature; Should be in the upper end (22) of main body (16) and certain position of lower end (24) form screw portion (20), and up and down between the two ends central part of (22) (24) form porous portion (30).
3, the tooth implanter according to claim 1 or 2 has following feature; Aforementioned body (16) should be the cone shape of 2 °～10 ° of inclinations along the lower end from the upper end.
4, tooth implanter has following feature; The 1st procedure of processing (S10), at the patchhole of central authorities' formation nut bore, certain altitude forms head up, and forms main body below above-mentioned head; The 2nd procedure of processing (S20) forms the spiral shell tooth at the certain position of the main body that forms by above-mentioned the 1st procedure of processing (S10), and forms the cutting space of being cut by the spiral shell tooth depth at other position; The step of packing into (S30) is inserted body in the main body periphery that forms by above-mentioned the 2nd procedure of processing (S20), and the cutting of the main body in being inserted into above-mentioned body space, the metal dust of packing into; Discharge step (S40), in the body of the insertion main body that forms by the above-mentioned step of packing into (S30), the difference connection electrode, and under the state of giving above-mentioned electrode charging by charger, spark; Sintering step (S50) by the high voltage that sparks to body, is located at the metal dust in the main body cutting space that is inserted in the above-mentioned body, by the periphery sinter molding porous portion of high voltage in main body in above-mentioned discharge step (S40).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510136968 CN1981719A (en) | 2005-12-15 | 2005-12-15 | Artificial tooth implanter and its shaping method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510136968 CN1981719A (en) | 2005-12-15 | 2005-12-15 | Artificial tooth implanter and its shaping method |
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| CN1981719A true CN1981719A (en) | 2007-06-20 |
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| CN 200510136968 Pending CN1981719A (en) | 2005-12-15 | 2005-12-15 | Artificial tooth implanter and its shaping method |
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| CN (1) | CN1981719A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102599982A (en) * | 2012-04-01 | 2012-07-25 | 安敬滨 | Oral cavity implant and module thereof |
| CN106901852A (en) * | 2017-02-21 | 2017-06-30 | 广州市健齿生物科技有限公司 | A kind of one-part form dentistry implant with drug storage chamber |
| CN107095724A (en) * | 2017-05-04 | 2017-08-29 | 广州市健齿生物科技有限公司 | A kind of dentistry implant with biodegradable sheath |
| WO2018201382A1 (en) * | 2017-05-04 | 2018-11-08 | 广州市健齿生物科技有限公司 | Dental implant with biodegradable protective layer |
-
2005
- 2005-12-15 CN CN 200510136968 patent/CN1981719A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102599982A (en) * | 2012-04-01 | 2012-07-25 | 安敬滨 | Oral cavity implant and module thereof |
| CN106901852A (en) * | 2017-02-21 | 2017-06-30 | 广州市健齿生物科技有限公司 | A kind of one-part form dentistry implant with drug storage chamber |
| CN107095724A (en) * | 2017-05-04 | 2017-08-29 | 广州市健齿生物科技有限公司 | A kind of dentistry implant with biodegradable sheath |
| WO2018201382A1 (en) * | 2017-05-04 | 2018-11-08 | 广州市健齿生物科技有限公司 | Dental implant with biodegradable protective layer |
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