CN114159179A

CN114159179A - Healing base station for DIS and multifunctional integrated upper part mould taking and repairing method thereof

Info

Publication number: CN114159179A
Application number: CN202111479927.4A
Authority: CN
Inventors: 郝广平; 刘松; 张虎虎
Original assignee: Beijing Datsing Technology Co ltd
Current assignee: Beijing Datsing Technology Co ltd
Priority date: 2021-12-06
Filing date: 2021-12-06
Publication date: 2022-03-11
Anticipated expiration: 2041-12-06
Also published as: CN114159179B

Abstract

The application discloses a healing abutment for DIS and a multifunctional upper part mould taking and repairing method thereof, and relates to the field of oral implanting tools. Wherein, DIS includes spliced pole and scanning cover with the healing base station, the outside at the spliced pole is established to the scanning cover, the inside wall of scanning cover is laminated mutually with the outside wall of spliced pole, the both ends of spliced pole all extend to the outside of scanning cover, the one end of spliced pole is used for with the planting body bolt joint, the other end of spliced pole is equipped with the bearing ring piece, the one end that the planting body was kept away from to the spliced pole extends to the gum cuff outside, and the one end that the planting body was kept away from to the spliced pole is equipped with prefabricated cap, prefabricated cap supports the one side that deviates from the planting body at the bearing ring piece, and prefabricated cap joint dress is on the spliced pole. Through setting up the bearing ring piece, keep apart prefabricated cap and gum cuff, when being favorable to reducing to carry out the interlock test, prefabricated cap takes place to warp and causes the extrusion to the interior week of gum cuff, brings painful sense and uncomfortable possibility for the patient.

Description

Healing base station for DIS and multifunctional integrated upper part mould taking and repairing method thereof

Technical Field

The application relates to the field of oral implant tools, in particular to a DIS healing abutment and a multifunctional upper part mould taking and repairing method thereof.

Background

Along with the change of the dietary habits of people, more and more people have oral cavity problems, teeth face the problems of decayed teeth or necrosis and falling off and the like, and the denture planting mode is more advocated clinically to treat in the process of oral cavity treatment.

Referring to fig. 1, currently, a Digital Impression System (DIS) is the most commonly used method of printing a film when a dental prosthesis is implanted. Usually connect the implant on the ossicle earlier, again with central authorities 'bolt 8 with the implant bolt, the outside cover of central authorities' bolt 8 is equipped with shifts pole 7, need not to dismantle and shifts the pole and can realize digital mode of getting, has replaced the traditional digital mode of getting that uses the scanning rod. The outer side of the top of the transfer rod 7 is provided with a hexagonal boss, the outer side of the hexagonal boss is buckled with an impression cap 9 for forming a gum cuff, and the impression cap 9 is usually made of a flexible material for bearing occlusion recording materials. When the impression cap 9 is taken down, the central bolt 8 and the scanning rod 7 do not need to be disassembled and assembled, and the selection of the abutment and the manufacture of the dental crown in the later period are carried out after the impression is taken.

According to the related technology, the impression cap is buckled on the hexagonal boss, the bottom end of the impression cap is abutted to the step surface on the transfer rod, the outer side of the impression cap is attached to the inner periphery of the gum cuff, when the upper position and the lower position of adjacent teeth are meshed with the impression cap, the impression cap is extruded to deform, the impression cap is extruded to the inner periphery of the gum cuff, and pain and discomfort of a patient can be brought.

Disclosure of Invention

In order to solve the problem that the inner periphery of the gum cuff is squeezed to cause the deformation of the membrane printing cap in the process of tooth implantation recovery in the related technology and the pain of a patient is caused, the application provides a healing abutment for DIS and a multifunctional integrated upper mold taking and repairing method thereof.

The application provides a DIS is with healing base station adopts following technical scheme to obtain:

the utility model provides a DIS is with healing base station, includes spliced pole and scanning cover, the outside at the spliced pole is established to the scanning cover, the inside wall of scanning cover is laminated mutually with the outside wall of spliced pole, the both ends of spliced pole all extend to the outside of scanning cover, the one end of spliced pole is used for with the planting body bolt, the other end of spliced pole is equipped with the bearing ring piece, the one end that the planting body was kept away from to the spliced pole extends to the gum cuff outside, just the one end that the planting body was kept away from to the spliced pole is equipped with prefabricated cap, prefabricated cap supports the one side that deviates from the planting body at the bearing ring piece, just prefabricated cap buckle is on the spliced pole.

Through above-mentioned technical scheme, when prefabricated cap cartridge was on the spliced pole, the bottom of prefabricated cap supported on the bearing ring piece, when carrying out the interlock test, prefabricated cap and tooth interlock, the prefabricated cap received the extrusion to take place to warp this moment, and the bearing ring piece will be prefabricated the cap and keep apart with the gum cuff, is favorable to reducing prefabricated cap and warp and cause the extrusion to the interior week of gum cuff, and brings painful possibility of feeling to the patient.

Preferably: the through-hole has been seted up to the centre of bearing ring piece, one side that the bearing ring piece deviates from the prefabricated cap is connected with the sleeve, the sleeve is linked together with the through-hole, the sleeve cover is established in the outside of spliced pole and with spliced pole threaded connection, the cross-sectional area of bearing ring piece is greater than the cross-sectional area of scanning cover.

Through above-mentioned technical scheme, the bearing ring piece passes through sleeve threaded connection in the outside of spliced pole to the operator of being convenient for installs or dismantles the bearing ring piece. The cross-sectional area of the bearing ring piece is larger than that of the scanning sleeve, so that the bearing ring piece is favorable for shielding the gum cuffs, the possibility that the gum cuffs are directly exposed and easily damaged is reduced, and the protective effect on the gum cuffs is favorably realized.

Preferably: the telescopic outside parcel has flexible parcel layer, flexible parcel layer is used for laminating mutually with the inner wall of gum cuff.

Through above-mentioned technical scheme, the interior peripheral contact of flexible parcel layer and gum cuff to the gum cuff shaping, and flexible parcel layer texture is softer than the sleeve, and flexible parcel layer replaces sleeve and gum cuff direct contact, is favorable to reducing patient's uncomfortable and feels.

Preferably: the cross section of spliced pole towards the one end of prefabricated cap sets up to the polygon, the joint groove has been seted up towards one side of spliced pole to prefabricated cap, the spliced pole corresponds the joint in the joint inslot.

Through above-mentioned technical scheme, polygonal spliced pole corresponds the joint in the joint inslot of prefabricated cap, is favorable to improving the stability of being connected between prefabricated cap and the spliced pole, reduces the possibility that takes place relative position skew between prefabricated cap and the spliced pole.

Preferably: the prefabricated cap is characterized in that a separation strip is arranged on one side, facing the prefabricated cap, of the bearing ring piece, the separation strip is attached to the bearing ring piece, the bearing ring piece extends out of the periphery of the separation strip, the prefabricated cap is attached to one side, facing away from the bearing ring piece, of the separation strip, a protruding block is arranged on one side, facing the separation strip, of the separation strip, a groove is formed in one side, facing the separation strip, of the prefabricated cap, and the protruding block is correspondingly inserted into the groove.

Through above-mentioned technical scheme, when needs are demoulded the prefabricated cap from the spliced pole, the operator can be with the parting bead from lifting on the bearing ring piece to make prefabricated cap and bearing ring piece take off, so that the operator takes off the prefabricated cap from the spliced pole fast. If there is not the parting bead, then the operator need directly pull out the prefabricated cap from the top of spliced pole, and the operation is more laborious, sets up the parting bead, and the operator of being convenient for uses the parting bead as the breakthrough point, through taking off the parting bead fast from the bearing ring piece to break away from the spliced pole with prefabricated cap fast, be favorable to the degree of difficulty of operation.

Preferably: the connecting column is hollow inside to form an inner cavity, an opening end is formed in the top end of the connecting column, communicating channels are formed in the side walls of the connecting column and the scanning sleeve, and the communicating channels are communicated with the inner cavity of the connecting column.

Through above-mentioned technical scheme, when the spliced pole bolt was on the planting body, the operator can inhale the saliva in the gum cuff through the inner chamber and the intercommunication passageway of spliced pole through inhaling the salivary duct to keep dry in the gum cuff, reduce because of the gum cuff internal periphery and spliced pole and scan the saliva between the cover be difficult to inhale and remove and cause the gum cuff to be in moist state in the mouth for a long time, infect easily, and cause the possibility of influence to the healing of gum cuff.

Preferably: the communicating channel is provided with a plurality of communicating channels which are evenly distributed along the axial direction of the scanning sleeve.

Through above-mentioned technical scheme, the setting of a plurality of intercommunication passageways is convenient for absorb the saliva in the gum cuff from many positions clean, is favorable to keeping dry in the gum cuff to the gum cuff is restoreed fast and is healed.

Preferably: the outside of spliced pole is equipped with the stopper along the axial, the inboard of scanning cover is equipped with the spacing groove, the stopper corresponds the joint at the spacing inslot.

Through above-mentioned technical scheme, the stopper corresponds the joint with the spacing groove to be convenient for scan cover and spliced pole installation back, scan cover and spliced pole on the connecting channel can accurate butt joint, be favorable to reducing in the installation, the position between scan cover and the spliced pole takes place the skew and leads to scan cover and spliced pole on the connecting channel be difficult to the possibility of accurate butt joint, then can lead to inhaling the saliva operation to the gum cuff and be difficult to go on.

Preferably: the inner cavity of the connecting column is filled with a cotton sliver, the opening end of the connecting column is in threaded connection with an end cover, and one side of the end cover, which deviates from the cotton sliver, is provided with a cross groove.

Through above-mentioned technical scheme, the silver can absorb the saliva of gathering in the spliced pole inner chamber to keep gum cuff internal dryness, be favorable to the restoration and the healing of gum. When the cotton sliver completely absorbs saliva in the inner cavity of the connecting column, an operator takes out the cotton sliver from the inner cavity in time, the end cover is screwed at the opening end of the inner cavity of the connecting column to seal the inner cavity, and the prefabricated cap is buckled on the connecting column. The cotton sliver which has absorbed saliva can be taken out in time, which is beneficial to reducing the possibility of cross infection caused by the long detention time of the cotton sliver in the inner cavity and the fusion of new saliva and old saliva.

The application further provides a multifunctional integrated upper mold taking and repairing method, which is obtained by adopting the following technical scheme:

the multifunctional integrated upper mold taking and repairing method includes the following steps:

sleeving the scanning sleeve with the connecting column;

bolting the connecting column with the implant;

unscrewing the end cover on the connecting column from the connecting column, placing the cotton sliver in the inner cavity of the connecting column, and then connecting the end cover on the connecting column by screw threads again;

sleeving the sleeve on the outer side of the connecting column and connecting the sleeve with the connecting column through threads to ensure that gum cuffs are formed, and buckling the prefabricated cap on the top of the connecting column to ensure that the bottom end of the prefabricated cap is attached to the bearing supporting sheet;

and after the occlusion test is finished, taking the prefabricated cap down from the connecting column, and after the mold is taken out, selecting the abutment and manufacturing the dental crown in the later period.

Through above-mentioned technical scheme, carrying out the interlock test, before the delivery of the patterns, will prefabricate cap and gum cuff through the bearing ring piece and separate, reduce prefabricate cap and take place to warp and cause the extrusion to the gum, bring painful or uncomfortable possibility for the patient.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when the upper part is subjected to mould taking and repairing operations and occlusion tests, the prefabricated cap is isolated by the supporting ring sheet, so that the possibility of pain of a patient caused by extrusion on gum cuffs when the prefabricated cap is extruded and deformed is reduced;

2. the model taking device is suitable for a traditional model taking or digital model taking mode, and has multiple functions of healing base station function, traditional model taking, digital scanning, occlusion recording and the like to a certain extent.

Drawings

Fig. 1 is a schematic structural view for embodying a central bolt, a transfer lever, and an impression coping in the related art.

Fig. 2 is a schematic structural diagram for embodying the connecting column and the scan bar in the embodiment of the present application.

FIG. 3 is a schematic structural diagram of the connecting column, the sleeve, the receiving ring piece and the prefabricated cap according to the embodiment of the present application.

Fig. 4 is a schematic view illustrating an entire structure of a healing abutment for embodying the DIS and an inner structure of a cavity of a connection post in an embodiment of the present application.

Description of reference numerals: 1. connecting columns; 11. a threaded portion; 12. a cavity; 13. a cotton sliver; 14. an end cap; 141. a cross groove; 15. a limiting block; 2. a scanning sleeve; 21. a communication channel; 22. a limiting groove; 3. a bearing ring sheet; 4. a sleeve; 41. a flexible wrapping layer; 5. prefabricating a cap; 51. a clamping groove; 52. a groove; 6. a spacer bar; 61. a bump; 7. a transfer lever; 8. a central bolt; 9. an impression coping.

Detailed Description

The present application is described in further detail below with reference to figures 2-4.

The embodiment of the application discloses a healing abutment for DIS and a multifunctional upper part mould taking and repairing method thereof.

Referring to fig. 2, a healing base station for DIS includes a connection column 1 and a scanning sleeve 2, a thread portion 11 is arranged on the outer side of the bottom end of the connection column 1, the thread portion 11 of the connection column 1 is used for bolting with an implant, and one end of the connection column 1 far away from the thread portion 11 extends to the outer side of a gum cuff. The outside of spliced pole 1 is equipped with stopper 15 along the axial,

stopper

15 and 1 integrated into one piece of spliced pole, the inboard of scanning cover 2 is equipped with spacing groove 22, spacing groove 22 is seted up along the axial of

scanning cover

2, 2 covers of scanning cover are established in the outside of spliced pole 1, stopper 15 corresponds the joint with spacing groove 22, the external diameter of spliced pole 1 near the one end of screw thread portion 11 is great, the internal diameter of scanning cover 2 is less than the biggest external diameter of spliced pole 1, scanning cover 2 cup joints in the outside of spliced pole 1, and the external diameter orientation of scanning cover 2 is close to the direction of screw thread portion 11 and is steadilyd decrease, the both ends of spliced pole 1 all extend to the outside of scanning cover 2.

Referring to fig. 3 and 4, the outside cover that spliced pole 1 kept away from the one end of screw thread portion 11 is equipped with sleeve 4, sleeve 4 and spliced pole 1 threaded connection, sleeve 4 laminates with scanning cover 2 towards the tip of the one end of scanning cover 2 mutually, the one end that scanning cover 2 was kept away from to sleeve 4 is equipped with bearing ring piece 3, the through-hole has been seted up to the centre of bearing ring piece 3, the pore wall integrated into one piece of the through-hole on sleeve 4 and the bearing ring piece 3, the cross-sectional area of bearing ring piece 3 is greater than the cross-sectional area of scanning cover 2. The outer side of the sleeve 4 is bonded and wrapped with a flexible wrapping layer 41, and the flexible wrapping layer 41 is made of rubber. The 41 textures of flexible parcel layer are softer than sleeve 4, and flexible parcel layer 41 replaces the inner peripheral wall laminating of sleeve 4 and gum cuff mutually, is favorable to the gum cuff shaping, and is favorable to reducing patient's uncomfortable sense. The cross section area of the supporting ring piece 3 is larger than that of the scanning sleeve 2, so that the supporting ring piece 3 can shield and cover the gum cuffs, and the possibility of easy infection caused by the exposed gum cuffs can be reduced.

Referring to fig. 3 and 4, the connecting column 1 is hollow to form a cavity 12, an opening end is arranged at one end of the connecting column 1 far away from the thread portion 11, a communicating channel 21 communicated with each other is arranged on the side walls of the connecting column 1 and the scanning sleeve 2 along the radial direction of the connecting column 1, and the communicating channel 21 is communicated with the inner cavity of the connecting column 1. The communication channels 21 are provided in a plurality, and the plurality of communication channels 21 are uniformly distributed along the axial direction of the scanning sleeve 2. The inner cavity of the connecting column 1 is filled with a cotton sliver 13, the open end of the connecting column 1 is in threaded connection with an end cover 14, and one side of the end cover 14, which is far away from the cotton sliver 13, is provided with a cross groove 141, so that an operator can connect the end cover 14 with the open end of the connecting column 1 through a screwdriver in a threaded manner.

Saliva accumulated between the inner periphery of the gum cuff and the scanning sleeve 2 can flow into the cavity 12 through the communication channel 21, and before the cotton strip 13 is placed into the cavity 12 of the connecting column 1, an operator sucks the saliva in the cavity 12 through the saliva suction pipe, so that the possibility that the inner periphery of the gum cuff is wet all the time and is easy to infect is reduced. Then, the operator puts the tampon 13 into the cavity 12, so that the tampon 13 absorbs the saliva accumulated in the cavity 12, which is beneficial to keeping the inner circumference of the gum cuff dry, and is beneficial to quick repair and healing of the gum cuff. After the tampon 13 absorbs saliva, the operator removes the tampon 13 from the cavity 12 in time to avoid cross-infection.

Referring to fig. 3 and 4, the cross section of one end of the connecting column 1, which is far away from the thread part 11, is polygonal, a prefabricated cap 5 is buckled on the connecting column 1, the prefabricated cap 5 bears occlusion recording materials, a clamping groove 51 is formed in one side, facing the connecting column 1, of the prefabricated cap 5, and the cross section of the clamping groove 51 is also polygonal. In this embodiment, the cross section of spliced pole 1 one end of keeping away from screw portion 11 and the cross section of joint groove 51 are regular pentagon, and spliced pole 1 corresponds the joint with joint groove 51 and fixes, is favorable to reducing the relative pivoted possibility of taking place between prefabricated cap 5 and the spliced pole 1 to be favorable to improving the relative stability in position between spliced pole 1 and the prefabricated cap 5.

One end of the prefabricated cap 5 facing the bearing ring piece 3 is abutted to the bearing ring piece 3, and the prefabricated cap 5 is supported on the bearing ring piece 3. The bearing ring piece 3 makes prefabricated cap 5 keep apart with the gum cuff, is favorable to reducing when carrying out the interlock test, and prefabricated cap 5 takes place to warp and causes the extrusion to the gum cuff, leads to the painful and uncomfortable possibility of patient.

Referring to fig. 4, a partition strip 6 is arranged on one side of the preformed cap 5 facing the bearing ring piece 3, a groove 52 is formed on one side of the preformed cap 5 facing the partition strip 6, a convex block 61 is arranged on one side of the partition strip 6 facing the preformed cap 5, and the convex block 61 is correspondingly inserted into the groove 52. And, prefabricated cap 5 suppression is on parting strip 6 for parting strip 6 hugs closely bearing ring piece 3, and parting strip 6 sets up along bearing ring piece 3's radial, and the one end that parting strip 6 is close to bearing ring piece 3 edge extends to the outside of bearing ring piece 3. When needs take off prefabricated cap 5 from spliced pole 1, the operator takes off parting strip 6 from bearing ring piece 3, and parting strip 6 drives prefabricated cap 5 and takes off from bearing ring piece 3 to be favorable to improving the efficiency that the operator demolded to prefabricated cap 5.

A multifunctional integrated upper mold taking and repairing method comprises the following steps:

the limiting block 15 and the limiting groove 22 are correspondingly clamped and matched, so that the scanning sleeve 2 is fixedly sleeved with the connecting column 1.

The connecting column 1 is bolted and fixed with an implant which is implanted on the dental bone.

The end cap 14 on the connecting column 1 is unscrewed from the connecting column 1, saliva accumulated in the cavity 12 of the connecting column 1 is sucked through the saliva sucking tube, the cotton sliver 13 is placed in the inner cavity of the connecting column 1, and the end cap 14 is screwed on the connecting column 1 again.

Sleeving the sleeve 4 on the outer side of the connecting column 1 and connecting the sleeve 4 with the connecting column 1 in a threaded manner, wherein the flexible wrapping layer 41 on the outer side of the sleeve 4 is attached to the inner wall of the gum cuff to ensure that the gum cuff is formed, the gum cuff is shielded by the supporting ring piece 3, and one end, far away from the threaded portion 11, of the connecting column 1 extends to the outer portion of the gum cuff; then correspondingly clamping the convex block 61 on the isolating strip 6 in the groove 52 of the prefabricated cap 5, and correspondingly clamping the clamping groove 51 on the prefabricated cap 5 with the connecting column 1, so that the prefabricated cap 5 is buckled on the connecting column 1, and the isolating strip 6 is pressed between the bearing ring piece 3 and the prefabricated cap 5 at the moment.

Then carry out the interlock test, take place to warp when prefabricating cap 5 and the adjacent tooth interlock of upper and lower position, bearing ring piece 3 keeps apart prefabricating cap 5 and gum cuff this moment, reduces prefabricating cap 5 and causes extruded possibility to the gum cuff because of warping, is favorable to reducing patient's painful sense and discomfort.

After the occlusion test is finished, the isolating strip 6 is taken off from the bearing ring sheet 3, the prefabricated cap 5 is driven to be quickly separated from the connecting column 1, and after the mold is taken out, the selection of a later stage abutment and the manufacture of the dental crown are carried out.

The present embodiment is only for explaining the present application, and it is not limited to the present application, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present application.

Claims

1. A healing abutment for DIS, comprising: including spliced pole (1) and scanning cover (2), the outside at spliced pole (1) is established in scanning cover (2), the inside wall of scanning cover (2) is laminated mutually with the outside wall of spliced pole (1), the both ends of spliced pole (1) all extend to the outside of scanning cover (2), the one end of spliced pole (1) is used for with the planting body bolt, the other end of spliced pole (1) is equipped with bearing ring piece (3), the one end that the planting body was kept away from in spliced pole (1) extends to the gum cuff outside, just the one end that the planting body was kept away from in spliced pole (1) is equipped with prefabricated cap (5), prefabricated cap (5) support the one side that deviates from the planting body in bearing ring piece (3), just prefabricated cap (5) the card cover is on spliced pole (1).

2. The healing abutment for the DIS according to claim 1, wherein: the through-hole has been seted up to the centre of bearing ring piece (3), one side that bearing ring piece (3) deviate from prefabricated cap (5) is connected with sleeve (4), sleeve (4) are linked together with the through-hole, sleeve (4) cover is established in the outside of spliced pole (1) and with spliced pole (1) threaded connection, the cross-sectional area of bearing ring piece (3) is greater than the cross-sectional area of scanning cover (2).

3. The healing abutment for the DIS according to claim 2, wherein: the outer side of the sleeve (4) is wrapped with a flexible wrapping layer (41), and the flexible wrapping layer (41) is used for being attached to the inner wall of the gum cuff.

4. The healing abutment for the DIS according to claim 1, wherein: the cross section of spliced pole (1) towards the one end of prefabricated cap (5) sets up to the polygon, joint groove (51) have been seted up towards one side of spliced pole (1) in prefabricated cap (5), spliced pole (1) corresponds the joint in joint groove (51).

5. The healing abutment for the DIS according to claim 1, wherein: bearing ring piece (3) are equipped with parting bead (6) towards one side of prefabricated cap (5), parting bead (6) and bearing ring piece (3) are laminated mutually, bearing ring piece (3) are extended to the periphery of parting bead (6), prefabricated cap (5) and parting bead (6) deviate from one side of bearing ring piece (3) and laminate mutually, one side of parting bead (6) towards prefabricated cap (5) is equipped with lug (61), seted up fluted (52) towards one side of parting bead (6) in prefabricated cap (5), lug (61) correspond to peg graft in recess (52).

6. The healing abutment for the DIS according to claim 5, wherein: the inner part of the connecting column (1) is hollow to form an inner cavity, the top end of the connecting column (1) is provided with an opening end, the side walls of the connecting column (1) and the scanning sleeve (2) are provided with a communication channel (21), and the communication channel (21) is communicated with the inner cavity of the connecting column (1).

7. The healing abutment for the DIS according to claim 6, wherein: the communication channels (21) are arranged in a plurality, and the communication channels (21) are uniformly distributed along the axial direction of the scanning sleeve (2).

8. The healing abutment for the DIS according to claim 7, wherein: the outside of spliced pole (1) is equipped with stopper (15) along the axial, the inboard of scanning cover (2) is equipped with spacing groove (22), stopper (15) correspond the joint in spacing groove (22).

9. The healing abutment for the DIS according to claim 6 or 8, wherein: the inner cavity of the connecting column (1) is filled with a cotton sliver (13), the opening end of the connecting column (1) is in threaded connection with an end cover (14), and one side of the end cover (14) departing from the cotton sliver is provided with a cross groove (141).

10. A multifunctional integrated upper portion impression taking and repairing method using the DIS healing abutment of claim 1 or 8, comprising the steps of:

the scanning sleeve (2) is sleeved with the connecting column (1);

bolting the connecting column (1) with the implant;

unscrewing an end cover (14) on the connecting column (1) from the connecting column (1), placing a cotton sliver in an inner cavity of the connecting column (1), and then connecting the end cover (14) on the connecting column (1) in a threaded manner again;

sleeving the sleeve (4) on the outer side of the connecting column (1) and connecting the sleeve with the connecting column (1) in a threaded manner to ensure the formation of gum cuffs, and buckling the prefabricated cap (5) on the top of the connecting column (1) to ensure that the bottom end of the prefabricated cap (5) is attached to the bearing supporting sheet;

after the occlusion test is finished, the prefabricated cap (5) is taken down from the connecting column (1), and after the mold is taken out, the selection of the abutment and the manufacture of the dental crown are carried out in the later period.