CN214342717U - Tooth implantation second-order impression auxiliary positioning device - Google Patents

Abstract

The utility model discloses a kind of kind implant second order die auxiliary positioning device, including the auxiliary positioning body, form in the screw thread portion of auxiliary positioning body one side, locate the bottom side locating part on the auxiliary positioning body, locate the firm piece on the screw thread portion, at least one locate the extension firmware on the firm piece, and at least one locate the tight piece on the screw thread portion. By adopting the structure, the user connects the auxiliary positioning body with the implant, then sequentially arranges the bottom side limiting part, the stable part and the pressing part on the thread part, rotationally locks the bottom side limiting part and the pressing part, and finally coats a dental resin material on the adjacent side teeth and the extension fixing part, thereby being used as a secondary confirmation basis for manufacturing the false teeth during the traditional tooth implantation and mold removal. Not only improves the precision of the manufacture of the dental implant, but also avoids the error of the impression, and reduces the waste of the impression material and the operation time of the dentist and the dental technician. Thereby improving the efficiency and the accuracy of delivering the dental implant by the dentist, and simultaneously avoiding the patient from repeating the return visit to the dentistry to avoid time waste.

Description

Tooth implantation second-order impression auxiliary positioning device

Technical Field

The utility model relates to an implant second order die assistance-localization real-time device indicates especially one kind and can improve the precision that the denture was made, the error when avoiding the die simultaneously, and then reduces the implant second order die assistance-localization real-time device of the waste of impression material and operating time.

Background

The tooth implantation is a tooth repairing technology for mounting false teeth by artificial tooth roots to make up for missing teeth. The artificial tooth root is also called as an implant, the implant can be placed in an alveolar bone at the tooth-missing position through an operation, the implant is used for replacing the tooth root of a natural tooth to become a root base for installing a dental crown, and after the alveolar bone of a patient is tightly combined with the implant, the artificial dental crown can be installed on the implant. The artificial tooth root is provided with the artificial tooth, so that the occlusal force close to natural teeth can be provided, the comfort and the aesthetic property are better than those of the traditional movable artificial tooth and a dental bridge, the dental implant can be used for a long time under the condition of good maintenance if the oral cavity can be kept clean and sanitary after the dental implant is implanted and the dental examination is received regularly, and therefore, the artificial tooth root is an important tooth missing repairing method.

When a dentist implants an implant into an alveolar bone, after a period of osseointegration, the dentist is ready to place the denture into the edentulous part of the mouth of a patient, at this time, a denture or impression abutment suitable for the patient is installed on the implant, and an impression is taken on the implant, and then the dentist sends the finished product after impression to a dentist institute, and commissions the dentist to make the denture. The impression can be divided into direct impression and indirect impression.

The direct impression method is to fix the denture support on the implant, to directly take the impression and send it to the dentist's laboratory, and finally to directly cover and adhere the denture on the support according to the installation method of the general natural tooth. The indirect impression method is to use transfer mode to make impression, and includes open type indirect impression method and closed type indirect impression method, and the open type indirect impression method makes the operation of making hole on the dental tray before impression, and after impression is finished, the impression support screw is taken out from the hole, and after the dental tray is taken off, it can be sent to dentist skilled worker. The closed indirect impression method has no action of making a hole on the denture, but after the impression is finished, the impression support table is taken out from the mouth and locked on an artificial implant, and then the impression support table is reversely put back into the impression denture with the printed shape, so that plaster can be poured and the subsequent operation can be continued.

In addition, another method of positioning the dental implant impression is also known as intraoral welding, wherein the intraoral welding uses a metal material with higher hardness, and the adjacent teeth are used for positioning, so that the dental implant impression can be used as a secondary confirmation basis in the manufacture of the false teeth, and the intraoral welding is not easy to generate errors due to the characteristics of the metal material, so that the positioning accuracy is higher.

The above-mentioned prior art dental implant impression methods have the following problems and disadvantages to be improved upon:

firstly, in the operation process of the direct impression method and the indirect impression method, the deformation and the error of the impression material are easily caused by locking, incorrect inserting angle, high and low temperature and long waiting time, and further the subsequent steps can not be executed correctly.

Secondly, in the process of gypsum pouring, the direct impression method and the indirect impression method are easy to cause the problem of overlarge or uneven expansion coefficient due to uneven gypsum dispersion, which causes errors between the slight movement of the impression module and the gaps between adjacent teeth, so that the finally manufactured and formed false teeth cannot be accurately placed at the abutment position of the missing teeth in the mouth of the patient.

Thirdly, the welding in the mouth is needed for the welding in the mouth of the patient, so that the patient is easily scalded and stabbed by the metal strips in the operation process if the proper water spraying cooling operation and the skilled operation skill are not available.

Fourth, under the digital trend of dentistry, the second-order impression of the dental implant can be scanned and positioned by using an oral scanner. However, the expensive equipment and complicated operation of digitization still make most dentists not easy to load.

How to solve the above-mentioned existing problems and deficiencies is the direction in which the applicant of the present invention and the related manufacturers engaged in the industry need to research and improve.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned shortcomings, the applicant of the present invention collects relevant data, evaluates and considers in many ways, and designs such a device that can improve the accuracy of the artificial tooth during the manufacture, and avoid the error during the impression, based on the accumulated years of experience in the industry, and further reduces the waste of impression material and operation time.

The utility model discloses a main aim at: through pressing piece and bottom side locating part, make firm both sides pressed from both sides tightly and spacing, and then make firm leaning on of extension firmware on adjacent side tooth, recycle dentistry resin material and cover on front and back adjacent occlusal surface and part side, can duplicate unsmooth form on the tooth after the photohardening, will the utility model discloses take out the back again in by the mouth, still can be on same angle and position, with the secondary of implant position and angle when regard as implant denture preparation confirms the foundation, and then improve the precision of denture preparation.

In order to achieve the above object, the utility model discloses a technical scheme be a kind implant second order die assistance-localization real-time device, include: an auxiliary positioning body, one side department of auxiliary positioning body is formed with a screw thread portion, be equipped with a bottom side locating part on the auxiliary positioning body, bottom side locating part is located the one side department that screw thread portion is close to the implant, wear to be equipped with a steadiness piece on the screw thread portion, be equipped with an at least extension firmware on the steadiness piece, the both sides of extension firmware lean on the tooth of the adjacent side in tooth position, screw thread portion goes up the spiral shell and is equipped with an at least urgent piece, and the urgent piece is located the side department that the steadiness piece deviates from the bottom side locating part.

When the implant is used for the tooth missing position of the patient, an implant is arranged in the alveolar bone, and when the dentist wants to perform impression positioning on the patient, one end of the auxiliary positioning body can be connected with the implant, the stable part is arranged on the thread part of the auxiliary positioning body in a penetrating way, the stable part is abutted to the bottom side limiting part arranged on the thread part, and the two sides of the extension fixing part lean against the teeth on the adjacent side of the tooth missing position of the patient.

And finally, coating a dental resin material on the adjacent teeth and the extension fixing piece at the tooth missing position of the patient, and irradiating to cure the dental resin material.

Treat to dentistry resin material photocuring back, will assist the location body, take off on the dentistry resin material that even takes steadiness, extension firmware, urgent piece and solidify by the planting body, borrow this, the utility model discloses the secondary when can regard as the denture preparation confirms the basis, and through the hard structure of the lock solid of screwing, can avoid situations such as soft impression material deformation, error, and then precision when improving the denture preparation.

By adopting the technology, the problems that the existing tooth implanting impression mode is easy to deform and error when operating soft silica gel or algae gum and other impression materials, the gypsum expands and generates error when being poured and solidified, advanced equipment such as an oral scanner is too expensive, and scalding and stabbing are easy to occur when using intraoral welding positioning can be solved, and the practical progress of the advantages is achieved.

Drawings

Fig. 1 is a perspective view of the preferred embodiment of the present invention.

Fig. 2 is an exploded view of the preferred embodiment of the present invention.

Fig. 3 is a schematic view of the installation of the preferred embodiment of the present invention.

Fig. 4 is a schematic view of the screw according to the preferred embodiment of the present invention.

Fig. 5 is a schematic view of the screwing operation according to the preferred embodiment of the present invention.

Fig. 6 is a schematic view of the coating according to the preferred embodiment of the present invention.

Fig. 7 is a perspective view of another preferred embodiment of the present invention.

Fig. 8 is a front view of another preferred embodiment of the present invention.

Fig. 9 is an exploded view of another preferred embodiment of the present invention.

Fig. 10 is a schematic view of a lock according to another preferred embodiment of the present invention.

Fig. 11 is a schematic view of a further preferred embodiment of the present invention.

Fig. 12 is a perspective view of another preferred embodiment of the present invention.

Wherein: the dental implant comprises auxiliary positioning bodies 1 and 1b, threaded parts 11, 11a and 11b, bottom side limiting parts 2, 2a and 2b, fixing pieces 3, 3a and 3b, first clamping and squeezing piece bodies 31b, first positioning parts 311b, clamping and squeezing threaded parts 312b, second clamping and squeezing piece bodies 32b, second positioning parts 321b, extension fixing pieces 4, 4a, 4b and 4c, extension parts 41c, tightening pieces 5, 5a and 5b, implant bodies 6 and 6b, dental resin materials 7 and 7c, and locking assemblies 8 b.

Detailed Description

To achieve the above objects and advantages, the present invention provides a technical means and structure, which will be described in detail with reference to the accompanying drawings for fully understanding the features and functions of the preferred embodiments of the present invention.

Referring to fig. 1 and 2, it can be clearly seen that the present invention provides a second-order impression auxiliary positioning device for dental implant, comprising:

an auxiliary positioning body 1, a thread part 11 is formed at one side of the auxiliary positioning body 1, and the auxiliary positioning body 1 is used for connecting an implant positioned in an alveolar bone at a tooth missing position;

at least one bottom-side limiting member 2, wherein the bottom-side limiting member 2 is disposed on the auxiliary positioning body 1 and located at a side of the threaded portion 11 adjacent to the implant;

the fixing piece 3 is arranged on the threaded part 11 in a penetrating way, and is positioned at one side of the bottom side limiting piece 2, which is far away from the implant;

at least one extension fixing piece 4, wherein the extension fixing piece 4 is arranged on the stable piece 3;

at least one pressing member 5, the pressing member 5 is screwed on the threaded portion 11 and located at a side of the stable member 3 away from the bottom-side limiting member 2, and the pressing member 5 cooperates with the bottom-side limiting member 2 to fasten and lock the stable member 3.

The bottom-side position-limiting members 2 are nuts, and the number is two for example.

Preferably, the stabilizing member 3 is illustrated as an oval.

Preferably, the extension fixture 4 is a metal strip, for example, and the number thereof is one.

Preferably, the pressing member 5 is a nut, and the number thereof is two.

From the above description, it can be understood that the structure of the present technology can improve the precision of manufacturing the dental prosthesis and reduce the error generated during the second-order model extraction of the dental implant according to the corresponding matching of the structure, and the detailed description will be described below.

Referring to fig. 1 to 6, when the above-mentioned structure is adopted, it can be seen clearly from the figure that, in the initial stage of tooth implantation, after the diagnosis and evaluation of the patient, the dentist implants an implant 6 into the alveolar bone of the edentulous part of the mouth of the patient, after a period of osseointegration, the next stage of steps can be performed, and the second-order impression auxiliary positioner for dental implantation can be used to eliminate the error of the soft impression material in order to make the false teeth.

First, one end of the auxiliary positioning body 1 is connected to the implant 6, in this embodiment, the connection between the auxiliary positioning body 1 and the implant 6 is implemented in a hexagonal concave-convex embedding manner, but not limited to this, then, the bottom-side limiting member 2 is screwed on the screw portion 11 and rotated to a lower position in the screw portion 11, and then the fixing member 3 is inserted into the auxiliary positioning body 1, so that the fixing member 3 abuts against the bottom-side limiting member 2, and at this time, the heights of the fixing member 3 and the extension fixing member 4 can be adjusted by means of the structure in which the bottom-side limiting member 2 is screwed on the screw portion 11, so that the extension fixing member 4 can lean against the adjacent tooth.

Treat to the adjustment after finishing, can locate 5 spiral shell of tight piece on screw thread portion 11, make it contradict simultaneously in firm 3 one side department that deviates from bottom side locating part 2, so, firm 3 upper and lower both sides are tight piece 5 and bottom side locating part 2 respectively, need only again with the utility model discloses by intraoral taking out, operate outside the mouth, rotatory tight piece 5 and bottom side locating part 2 simultaneously make tight piece 5 and bottom side locating part 2 move below and top respectively to press from both sides and crowd firm 3.

If a high degree of pressure is applied when locking the nut or bolt and the nut on both sides is rotated, a wear effect is generated and the contact surface becomes rough, the rough surfaces will form a cold welding phenomenon, thereby enhancing the bonding strength between them. Therefore, the structure that two sides of the stabilizing piece 3 are clamped and locked by the bag can be utilized, so that the extension fixing piece 4 stably leans against the adjacent teeth. In addition, an auxiliary tool can be used to screw and lock the pressing member 5 and the bottom-side limiting member 2 directly in the mouth without limitation.

By adopting the structure that the bottom-side limiting part 2 is a nut, the dentist can perform screwing and locking actions on the upper side and the lower side of the extension fixing part 4, and the overall stability is further improved.

Finally, will the utility model discloses in putting back the mouth to make the auxiliary positioning body 1 and implant 6 after mutually combining, again with a dentistry resin material 7 coat on adjacent side tooth and extension firmware 4, treat to dentistry resin material 7 after shining photocuring, can take off auxiliary positioning body 1 by implant 6, simultaneously even take off bottom side locating part 2, steadiness 3, extension firmware 4, urgent 5, and the dentistry resin material 7 after the solidification, and dentistry resin material 7 after the photocuring can form the shape that accords with patient adjacent side tooth, consequently, the utility model discloses the secondary when implanting second order die auxiliary positioning ware can regard as the denture preparation confirms the foundation. The dental resin material 7 is exemplified by a photocurable resin.

Through the structure action, the tightening piece 5 and the bottom side limiting piece 2 are used for screwing and locking the stable piece 3, so that the extension fixing piece 4 can be stably leaned on the adjacent side tooth, and the extension fixing piece 4 leaned on the adjacent side tooth is subjected to model printing by the dental resin material 7, so that the situations of deformation, errors and the like of the existing impression can be avoided, the accuracy of the artificial tooth in the manufacturing process is improved, the time of a dentist, a dental technician and a patient is saved relatively, and the waste of related materials is also avoided.

The edentulous site in the mouth of the patient of this embodiment is exemplified by the posterior dental region. In addition, the bottom side limiting parts 2 and the pressing parts 5 are of two structures, so that when a dentist rotates and locks outside the mouth, the cold welding effect between the two parts is strengthened, and the overall locking strength and accuracy are improved.

Referring to fig. 7 and 8, when the above-mentioned components are used, it can be seen clearly that the present embodiment is different from the above-mentioned embodiments in that, in the present embodiment, the bottom-side limiting element 2a is a blocking piece fixed on one side of the threaded portion 11a, and the width of the bottom-side limiting element 2a is smaller than that of the front tooth.

Since the width of the anterior teeth in the mouth is smaller than that of the posterior teeth, the gap between the anterior teeth and the posterior teeth is smaller than that of the posterior teeth, and most of the nuts with smaller size may not enter the gap between the anterior teeth, so the design of the bottom side limiting piece 2a as a blocking piece in this embodiment can solve the above problem.

When the missing tooth of the patient is located in the anterior tooth, the design that the width of the bottom side limiting piece 2a is smaller than that of the anterior tooth can be used to make the bottom side limiting piece 2a fixed at the side of the threaded portion 11a located in the gap of the missing tooth of the anterior tooth, and at this time, the stable piece 3a still abuts against the bottom side limiting piece 2a as described above, and similarly, both sides of the extension fixing piece 4a also abut against the adjacent teeth, and the rest of the structure acts as in the above preferred embodiment, only the force is applied to screw the pressing piece 5a, and the stable piece 3a is clamped and locked by the pressing piece 5a and the bottom side limiting piece 2a, thereby improving the precision of the denture in manufacturing as described above.

In the present embodiment, the bottom-side limiting element 2a is presented in different embodiments, so as to be suitable for the second-order model taking situation of tooth implantation of different patients.

Referring to fig. 9 to 11, when the above-mentioned components are used, it can be seen clearly that the present embodiment is different from the above-mentioned embodiments in that in the present embodiment, a locking component 8b is inserted through the auxiliary positioning body 1b, the locking component 8b is screwed on the fixture 6b, one side of the locking component 8b is abutted against one end of the auxiliary positioning body 1b departing from the fixture 6b, in addition, the fixing component 3b comprises a first clamping and squeezing sheet body 31b and a second clamping and squeezing sheet body 32b, the first clamping and squeezing sheet body 31b is positioned at one side of the extension fixing component 4b departing from the pressing component 5b, the second clamping and squeezing piece 32b is located at a side of the extension fixing piece 4b away from the bottom-side limiting piece 2b, the first clamping and squeezing piece 31b and the second clamping and squeezing piece 32b clamp the extension fixing piece 4b, and the first clamping and squeezing piece 31b further has a clamping and squeezing thread portion 312 b.

The first clamping sheet 31b has at least one positioning portion 311b corresponding to the extension member 4b, and the second clamping sheet 32b has at least one positioning portion 321b corresponding to the extension member 4 b.

Preferably, the first and second pinching piece bodies 31b and 32b are elliptical.

Preferably, the first positioning portion 311b and the second positioning portion 321b are arc-shaped grooves, and the number of the first positioning portion and the second positioning portion is two.

In the above preferred embodiment, the connection position of the auxiliary positioning body 1b and the implant 6b is implemented by hexagonal concave-convex fitting, which is designed to allow the auxiliary positioning body 1b to be quickly detached from the implant 6b, but the hexagonal concave-convex fitting is prone to cause unstable combination or to be stuck by the dental pulp and not tightly jointed after long-term use, and if a subsequent action is performed, the auxiliary positioning body 1b may fall off the implant 6 b.

With the above structure, after the dentist connects one end of the auxiliary positioning body 1b to the implant 6b, the locking assembly 8b can be inserted into the auxiliary positioning body 1b and screwed onto the implant 6b, and at this time, one side of the locking assembly 8b abuts against one end of the auxiliary positioning body 1b away from the implant 6b, so that the auxiliary positioning body 1b is located between the locking assembly 8b and the implant 6b and is limited by the abutment of the locking assembly 8b, thereby enabling the auxiliary positioning body 1b to be stably combined with the implant 6b, and further preventing the auxiliary positioning body 1b from easily falling off from the implant 6 b.

In addition, the fixing member 3b is divided into a first clamping sheet 31b and a second clamping sheet 32b on the upper and lower sides of the extension fixing member 4b, so as to clamp the extension fixing member 4b, and further avoid the error caused by the sliding of the extension fixing member 4 b. When the dentist connects one end of the auxiliary positioning body 1b to the implant 6b according to the actions of the above embodiments, and then the bottom-side limiting member 2b is screwed on the screw portion 11b, the first clamping and squeezing piece 31b is inserted into the auxiliary positioning body 1, so that the first clamping and squeezing piece 31b is pressed against the bottom-side limiting member 2b, and the first positioning portion 311b on the first clamping and squeezing piece 31b faces upward, so that the user can place the extension fixing member 4b on the first positioning portion 311b of the first clamping and squeezing piece 31 b.

Then, the second positioning portion 321b of the second clamping sheet body 32b is downward, the second clamping sheet body 32b is inserted into the auxiliary positioning body 1b, at this time, the extension fixing member 4b is clamped and limited by the first positioning portion 311b and the second positioning portion 321b through the structure that the position of the extension fixing member 4b corresponds to the first positioning portion 311b and the second positioning portion 321b, and then the pressing member 5b is screwed on the screw portion 11b and is abutted against the second clamping sheet body 32b, so that the upper side and the lower side of the extension fixing member 4b are the second clamping sheet body 32b and the first clamping sheet body 31b respectively, the lower side of the first clamping sheet body 31b is the bottom side limiting member 2b, the upper side of the second clamping sheet body 32b is the pressing member 5b, and finally the cold welding phenomenon can be formed only by screwing the limiting member 2b and the pressing member 5b together.

The fixing member 3b is divided into the first clamping sheet 31b and the second clamping sheet 32b, so as to clamp the extension fixing member 4b, and the design of integral multi-layer package is utilized to ensure that the extension fixing member 4b stably leans against the adjacent teeth, and the first positioning portion 311b and the second positioning portion 321b make the second clamping sheet 32b and the first clamping sheet 31b tightly attached to the upper and lower sides of the extension fixing member 4 b.

In addition, the clamping thread portion 312b disposed on the first clamping sheet 31b enables the first clamping sheet 31b to be screwed on the thread portion 11b, and when the dentist combines the fixing member 3b with the auxiliary positioning body 1b, the fixing member 3b can only move in the thread portion 11b by the structure of the clamping thread portion 312b, so as to prevent the fixing member 3b from falling to the bottom of the auxiliary positioning body 1b, and meanwhile, a bottom side limiting member 2b can be used to achieve the cold welding phenomenon, thereby enhancing the combination strength of each other.

As shown in fig. 12, when the above-mentioned components are used, it can be seen that the embodiment is similar to the above-mentioned embodiments, in which the extension fastening member 4c has at least one extension portion 41c, and the extension portion 41c makes the extension fastening member 4c originally leaning on the adjacent teeth lean on more adjacent teeth.

By the structure of the extension portion 41c, when a dentist performs a coating operation of the dental resin material 7c, the dental resin material 7c can be extended and coated on a plurality of adjacent teeth, and after the dental resin material 7c is solidified, more supporting points for concave-convex embedding can be generated, or when the adjacent teeth are missing, the extension portion 41c is arranged on the position of the missing teeth in a spanning manner, so that the extension portion 41c becomes the supporting point for coating the dental resin material 7c at the position of the missing teeth, and the precision of the whole manufacturing process is further improved.

Therefore, the utility model discloses a tooth implantation second order die auxiliary positioning device can improve prior art's key and lie in:

firstly, the tightening member 5 and the bottom-side limiting member 2 are used for screwing and locking the fixing member 3, so that the extension fixing member 4 is firmly leaned against the adjacent side teeth, and then the reference point of the impression is formed after the dental resin material 7 is coated, thereby improving the accuracy of manufacturing the false teeth.

Secondly, the bottom-side limiting part 2 is a nut structure, so that a dentist can perform screwing and locking actions on the upper side and the lower side of the extension fixing part 4, the cold welding effect is further strengthened, and the overall stability is improved.

Third, through the structure of bottom side locating part 2a for blockking the piece, order the utility model discloses can be applied to the less anterior teeth district of space width, and then accord with the regional implant second order of taking out the mould demand of different patients edentulous.

Fourthly, the structure of the locking component 8b improves the bonding strength of the auxiliary positioning body 1b and the implant 6 b.

Fifthly, the structure of the thread part 32b is clamped, so that the fixing member 3b can only move in the thread part 11b, thereby preventing the fixing member 3b from falling to the bottom of the auxiliary positioning body 1b, and meanwhile, a bottom side limiting member 2b can be used for achieving the cold welding phenomenon, thereby enhancing the bonding strength between the fixing member and the auxiliary positioning body.

Sixthly, the structure of the first clamping and squeezing sheet body 31b and the second clamping and squeezing sheet body 32b produces a clamping effect on the extension fixing piece 4b, and further the overall structural strength is improved.

Seventh, the extension fixture 4c can lean against more adjacent teeth by the structure of the extension portion 41c, so as to generate more concave-convex embedded supporting points, thereby improving the precision of the whole manufacturing process.

The above description is only for the preferred embodiment of the present invention, and not for the purpose of limiting the scope of the present invention, so that the simple modification and equivalent structural changes made by the contents of the specification and drawings should be considered as included in the scope of the present invention.

Claims (5)

1. The utility model provides a kind of implant second order impression assistance-localization real-time device which characterized in that includes:

an auxiliary positioning body, wherein a thread part is formed at one side of the auxiliary positioning body, and the auxiliary positioning body is connected with an implant positioned in an alveolar bone at the edentulous part;

at least one bottom-side limiting piece, which is arranged on the auxiliary positioning body and is positioned at one side of the threaded part adjacent to the implant;

the fixing piece is arranged on the threaded part in a penetrating way and is positioned at one side of the bottom side limiting piece, which is deviated from the implant body;

the extension fixing piece is arranged on the stable piece;

and the pressing piece is screwed on the threaded part and is positioned at the side of the stable piece, which is deviated from the bottom side limiting piece, and the pressing piece is matched with the bottom side limiting piece to screw and lock the stable piece.

2. The dental implant second-order impression auxiliary positioning device of claim 1, wherein the fixing member has a first clamping piece and a second clamping piece, the first clamping piece is located at a side of the extension fixing member facing away from the pressing member, the second clamping piece is located at a side of the extension fixing member facing away from the bottom-side limiting member, and the first clamping piece and the second clamping piece clamp the extension fixing member.

3. The dental implant two-step impression auxiliary positioning device of claim 2, wherein the first clamping piece has a clamping thread portion thereon.

4. The dental implant second-order impression auxiliary positioning device of claim 1, wherein a locking component is disposed on the auxiliary positioning body in a penetrating manner, the locking component is screwed on the implant, and one side of the locking component abuts against an end of the auxiliary positioning body away from the implant.

5. The dental implant second order impression auxiliary positioning device of claim 1, wherein the extension fixture has at least one extension thereon.

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