CN114288041A - Individualized filler for root canal barrier surgery and manufacturing method and application thereof - Google Patents
Individualized filler for root canal barrier surgery and manufacturing method and application thereof Download PDFInfo
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- CN114288041A CN114288041A CN202111561921.1A CN202111561921A CN114288041A CN 114288041 A CN114288041 A CN 114288041A CN 202111561921 A CN202111561921 A CN 202111561921A CN 114288041 A CN114288041 A CN 114288041A
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Abstract
The invention discloses a personalized filler for an endodontic barrier operation and a manufacturing method and application thereof, and solves the technical problems of incompact root canal filling, and serious overcharge and undercharge phenomena in the prior art. The personalized filler comprises a handle and a pressurizing filling rod; the pressurized filling rod includes a connecting portion, a neck portion, a working end, and a first annular graduation mark. The manufacturing method comprises the steps of obtaining DICOM data of an affected tooth, converting the DICOM data into a 3D data format, determining the length of the affected tooth root on 3D software, designing a personalized filler for the root canal barrier surgery, and printing the filler by a 3D printer. It is applied to the root canal barrier operation for treating endodontic diseases and periapical diseases. The invention is positioned in the affected tooth in the root canal barrier operation, so that the scale mark of the connecting part accurately prompts the position to which pressurized filling needs to reach in the operation, and the root canal barrier operation is implemented in a proper root length range. Therefore, the reliability of the operation can be improved, the treatment time is shortened, the filling density is improved, the overcharge and the undercharge are reduced, and the treatment effect is improved.
Description
Technical Field
The invention belongs to the technical field of medical equipment, and particularly relates to a personalized filler for an endodontic barrier operation, and a manufacturing method and application thereof.
Background
Clinically, the affected teeth with thick root canals, the affected teeth with unclosed apical pores or flared apical pores need endodontic treatment when accompanied by pulpitis and periapical periodontitis, and the affected teeth generally adopt techniques such as apical barrier surgery, apical induced angioplasty and revascularization in clinic at present and aim to close the root canals. In this type of technique, the barrier quality under, in and above the root canal is of critical importance. The problems that often appear in the current barrier technology are: the filling is not compact and sparse; overcharging, wherein the material greatly exceeds the target position; under-filled, the material fails to reach the destination location. These problems are small enough to cause post-operative reactions, microleakage, and large enough to cause treatment failure or delayed healing. The series of problems are related to the filling mode of the barrier technology, the problems that the tip diameter is fixed, the selectivity is low and the shape of the root canal of the affected tooth cannot be completely adapted to whatever brand of the vertical pressurizer adopted in the current clinical operation process exist, and the defects of low filling efficiency, poor control of filling quality and high technical requirement also exist. Meanwhile, most of the root canal sealer is injected, and whether calcium hydroxide or Vitapex, the sealer is easy to be over-lacking when sealed in the root canal, and the problem is similar to that of the root canal barrier.
Therefore, it is an urgent need to provide a personalized obturator for endodontic barrier surgery, a method for manufacturing the same, and an application thereof to solve at least some of the above technical problems.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: an individual obturator for endodontic barrier surgery, a method of manufacturing the same, and an application thereof are provided to solve at least some of the above technical problems.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a personalized filler for the root canal barrier operation comprises a handle and a pressurizing filling rod which is arranged on the handle and is used for extending into a root canal to pressurize and fill materials in the root canal; the pressurization filling rod comprises a connecting part connected with the handle, a neck part connected with the connecting part and a working end arranged at the tail end of the neck part and used for pressurization filling of filling materials, wherein first annular scale marks are arranged on the connecting part, and the distance between the first annular scale marks and the handle is 6 mm.
Further, the pressurized filling rod has a cylindrical shape. The pressurized filling rod may be cylindrical, elliptical, or any other shape that the working end conforms to the root canal shape.
Furthermore, be equipped with second annular scale mark, third annular scale mark, fourth annular scale mark on the connecting portion to the interval between second annular scale mark and the handle is 5mm, and the interval between third annular scale mark and the handle is 4mm, and the interval between fourth annular scale mark and the handle is 3 mm.
Further, the annular scale mark of the connecting part is in an annular groove shape.
Further, the handle, the connecting portion, the neck portion and the working end are integrally formed by 3D printing of resin materials or metal materials. Furthermore, the handle is provided with a thread for enhancing the friction effect.
Further, the handle is provided with a marking point which points to the cheek surface of the affected tooth for guiding the affected tooth to be in place when in use.
A method of manufacturing a personalized obturator for endodontic barrier surgery, comprising the steps of:
and 3, printing the designed individualized filling device for the root canal barrier operation by a 3D laser printer.
Further, in the step 1, the 3D data format is STL format; in the step 3, the individualized obturator for endodontic barrier is printed using a resin material or a metal material.
The application of the individualized filler for the root canal barrier operation is applied to the root canal barrier operation for treating endodontic diseases and periapical diseases, including the root tip barrier operation and the pulp revascularization. Meanwhile, the technology can also be applied to sealing medicine in the root canal so as to achieve the aim of correct sealing.
Compared with the prior art, the invention has the following beneficial effects:
the invention has simple structure, scientific and reasonable design and convenient use, can accurately position the position where the filling material in the root canal should reach through the personalized filler for the root canal barrier operation, can pressurize by one step through the corresponding mark point, and can effectively shorten the operation time. Meanwhile, the problems of low filling efficiency, poor control of filling quality and the like caused by the fact that the tip diameter is fixed, the selectivity is low and the method cannot be completely adapted to the root canal form of the affected tooth like the traditional filling mode can be effectively solved. The invention adopts the individualized filler for the root canal barrier operation to fill the root canal barrier operation, thereby effectively reducing the technical requirement of the root canal filling, reducing the phenomena of incompact filling, over filling and under filling, reducing postoperative complications and finally improving the retention rate of the affected teeth. Meanwhile, the invention can also improve the quality of the sealing medicine in the root canal and improve the success rate of the treatment of the endodontic disease and the periapical disease.
Drawings
Fig. 1 is a schematic structural view of the individualized obturator for endodontic barrier of the present invention.
Fig. 2 is a photograph showing a scene of clinical application of the endodontic barrier for treating periapical disease teeth in example 1.
Fig. 3 is a schematic structural view of an endodontic individualized obturator in embodiment 2 of the present invention.
Wherein, the names corresponding to the reference numbers are:
1-working end, 2-neck, 3-connecting part, 4-handle, 5-first annular scale mark, 6-second annular scale mark, 7-third annular scale mark, 8-fourth annular scale mark, 9-thread, 10-marking point and 11-pressurizing filling rod.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 and 2, the individualized filler for the endodontic barrier provided by the invention has the advantages of simple structure, scientific and reasonable design and convenience in use, the position to which a filling material in a root canal is required to reach can be accurately positioned through the individualized filler for the endodontic barrier, an operator can pressurize through corresponding marking points, and the operation time can be effectively shortened. Meanwhile, the problems of low filling efficiency, poor control of filling quality and the like caused by the fact that the tip diameter is fixed, the selectivity is low and the method cannot be completely adapted to the root canal form of the affected tooth like the traditional filling mode can be effectively solved. The invention adopts the individualized filler for the root canal barrier operation to fill the root canal barrier operation, thereby effectively reducing the technical requirement of the root canal filling, reducing the phenomena of incompact filling, over filling and under filling, reducing postoperative complications and finally improving the retention rate of the affected teeth. The invention comprises a handle 4 and a pressurized filling rod 11 which is arranged on the handle 4 and is used for extending into the root canal to pressurize and fill the filling material in the root canal; the pressurizing filling rod 11 comprises a connecting part 3 connected with the handle 4, a neck part 2 connected with the connecting part 3 and a working end 1 arranged at the tail end of the neck part 2 and used for pressurizing and filling materials, wherein a first annular scale mark 5 is arranged on the connecting part 3, and the distance between the first annular scale mark 5 and the handle 4 is 6 mm.
The invention is used in the root canal barrier operation for treating endodontic disease and periapical disease, the root canal barrier operation is positioned in an affected tooth, the scale mark of the connecting part accurately prompts the position to be reached by pressurizing and filling in the operation, and the root canal barrier operation is carried out in a proper root length range. Therefore, the reliability of the operation can be improved, the treatment time is shortened, the filling density is improved, the overcharge and the undercharge are reduced, and the treatment effect is improved.
A second annular scale mark 6, a third annular scale mark 7 and a fourth annular scale mark 8 are arranged on a connecting part 3, the distance between the second annular scale mark 6 and a handle 4 is 5mm, the distance between the third annular scale mark 7 and the handle is 4mm, and the distance between the fourth annular scale mark 8 and the handle is 3 mm. The first annular scale mark, the second annular scale mark, the third annular scale mark and the fourth annular scale mark are designed on the connecting part and are respectively 6mm, 5mm, 4mm and 3mm away from the handle. According to the scheme, the scale marks at the target positions are placed at the highest points of the corresponding affected teeth to pressurize the filling material, so that the filling material can be tightly pressurized in place. The handle 4, the connecting part 3, the neck part 2 and the working end 1 are integrally formed by 3D printing of resin materials or metal materials. When the scheme is adopted, the structure of the personalized filling device is simpler, the production and manufacturing process is simplified, the use is convenient, and the overall strength is higher.
The handle 4 of the present invention is provided with threads 9 for enhancing friction. When the scheme is adopted, the friction force can be enhanced, and the hand feeling of various clinical expanding and filing needles can be simulated. The handle 4 of the invention is provided with a marking point 10 which points to the cheek surface of the affected tooth for guiding the position when in use. The marking point is directed to the cheek surface of the affected tooth to guide the affected tooth into place, and the marking point is preferably a small sphere which is convexly designed on the handle 4.
The working end of the invention is the most main pressurizing surface in the root canal barrier operation, the scale marks on the connecting part can position the pressurizing filling material to the working dead points of the affected teeth of 6mm, 5mm, 4mm and 3mm, and accurately reach the filling position, the mark points are arranged above the handle and point to the buccal surface of the affected teeth to guide the affected teeth to be in place, and simultaneously, the thread structure is arranged to enhance friction and improve the retention force.
The invention provides a method for manufacturing a personalized filler for endodontic barrier surgery, which comprises the following steps of:
And 2, designing a personalized filler for the root canal barrier surgery corresponding to the diseased tooth on the 3D software according to the root length and the barrier position of the diseased tooth according to the 3D data format, and marking the personalized filler for the root canal barrier surgery correspondingly.
And 3, printing the designed individualized filler for the root canal barrier operation by adopting a resin material through a 3D laser printer.
According to the manufacturing method, accurate modeling is performed in a digital mode, so that the produced personalized filler achieves higher attaching effect and auxiliary effect.
The invention provides application of a personalized filler for endodontic barrier operation, which is applied to the endodontic barrier operation for treating endodontic diseases and periapical diseases. The position where the filling material of the affected tooth should reach is accurately positioned and tightly filled.
The invention belongs to the technical field of medical equipment, and particularly relates to a personalized filler for an endodontic barrier operation, and a manufacturing method and application thereof. The multifunctional cervical vertebra rehabilitation instrument comprises a working end, a neck, a connecting part, a handle, a first annular scale mark, a second annular scale mark, a third annular scale mark, a fourth annular scale mark and a mark point. The working end extends to the neck and then extends to the connecting part, wherein the connecting part is provided with a corresponding mark, the connecting part is connected with the handle, and the handle is provided with a thread and a spherical mark point. The first annular scale line can pressurize the filling material to be 6mm away from the working dead point of the affected tooth, the second annular scale line can pressurize the filling material to be 5mm away from the working dead point of the affected tooth, the third annular scale line can pressurize the filling material to be 4mm away from the working dead point of the affected tooth, and the fourth annular scale line can pressurize the filling material to be 3mm away from the working dead point. The marking points point to the buccal surface of the affected tooth when applied to the affected tooth. The instrument is used for carrying out the root canal barrier operation, the defects of the traditional filling device can be overcome, the diameter of the working end is fixed, the selectivity is low, and the instrument cannot be completely matched with the affected teeth of the thick root canal with immature root tips. The invention accurately positions the level of the filling material by the individualized filling device, can shorten the operation time, improve the pressurization effect of the root canal barrier operation, reduce the technical sensitivity, improve the density of the filling material, reduce the micro leakage, reduce the postoperative complications and finally improve the retention rate of the affected teeth.
The technology of the present invention will now be described in detail by way of examples.
Example 1
The problem of fixed, the selectivity of the most advanced diameter of current perpendicular presser is few, can not adapt to thick root canal, root apex not closed tooth's root canal form completely, also has simultaneously to fill the shortcoming that efficiency is low, the filling quality is not well controlled, technical requirement is high, and the problem that exists among the prior art is optimized in this embodiment.
As shown in fig. 1 and 2, the present embodiment discloses a personalized obturator for endodontic barrier surgery, which comprises a working end 1, a neck portion 2, a connecting portion 3 and a handle 4, wherein the working end 1 extends towards the neck portion 2, the neck portion 2 extends to the connecting portion 3, the connecting portion 3 is connected with the handle 4, the connecting portion 3 is provided with a first annular scale mark 5, a second annular scale mark 6, a third annular scale mark 7 and a fourth annular scale mark 8, and the handle 4 is provided with a thread 9 and a mark point 10. Individualized obturator for endodontic barrier surgery adopts resin material to print integrated into one piece through 3D.
The personalized filler for the root canal barrier operation is used in the root canal barrier operation for treating endodontic diseases and periapical diseases, and meanwhile, the technology can also be applied to sealing medicine in the root canal so as to achieve the aim of sealing properly. The tooth-sealing device is positioned in an affected tooth, so that the scale marks of the connecting part accurately prompt the position to which pressurized filling needs to reach in the operation, and the root canal barrier operation is performed within a proper root length range. Therefore, the reliability of the operation can be improved, the treatment time is shortened, the filling density is improved, the overcharge and the undercharge are reduced, and the treatment effect is improved.
The structure of the individualized obturator for endodontic barrier procedure used in the present invention is not limited, and the present embodiment is optimized and one of the possible options is shown: the working end, the neck, the connecting part and the handle are integrally formed. When the scheme is adopted, the structure of the personalized filling device is simpler, the production and manufacturing process is simplified, the use is convenient, and the overall strength is higher.
In order to improve the positioning reliability of the personalized filler in a specific use process, the embodiment is optimized and provides a feasible choice as follows: the first annular scale mark, the second annular scale mark, the third annular scale mark and the fourth annular scale mark are designed on the connecting part and are respectively 6mm, 5mm, 4mm and 3mm away from the handle. When the scheme is adopted, the scale marks at the target positions are placed at the highest points of the corresponding affected teeth, so that the filling material can be tightly pressurized in place.
As shown in fig. 2, the structure of the handle of the present invention can be configured in various forms, optimized here and one of the possible options: the handle is in a threaded structure. When the scheme is adopted, the friction force can be enhanced, and the hand feeling of various clinical expanding and filing needles can be simulated.
Example 2
The above embodiment 1 discloses a personalized obturator for endodontic barrier surgery, and the present embodiment also discloses a method for manufacturing the personalized obturator for endodontic barrier surgery, which will now be described in detail:
s1: DICOM data of a diseased tooth in the oral cavity of a patient is acquired by CBCT scanning and converted into an editable 3D data format (e.g., STL format).
S2: designing on 3D software according to a 3D data format, designing a personalized filling device according to the length of the affected tooth root and the position of the barrier, and marking the filling device correspondingly. DICOM data of a diseased tooth in the oral cavity of a patient is acquired by CBCT scanning and converted into an editable 3D data format (e.g., STL format).
S3: and manufacturing the integral model of the personalized filler into a finished product in a 3D printing mode. The 3D laser printer can be selected for printing the individualized filler of resin.
According to the manufacturing method, accurate modeling is performed in a digital mode, so that the personalized filler manufactured in production achieves higher attaching effect and auxiliary effect.
The invention discloses a personalized filler for root canal barrier surgery, which comprises a handle 4 and a pressurizing filling rod 11, wherein the pressurizing filling rod is arranged on the handle 4 and is used for extending into a root canal to pressurize and fill filling materials in the root canal; the pressurized filling rod 11 includes a connecting portion 3 connected to the handle 4, a neck portion 2 connected to the connecting portion 3, and a working end 1 provided at a distal end of the neck portion 2 for pressurized filling of the filling material.
As shown in figure 3, the pressurized filling rod 11 of the invention is of a columnar structure, the height of the working end 1 is 1mm, the area of the bottommost part is the largest, the height gradually decreases to 95% of the area of the bottommost part towards the handle 4, the sectional area of the neck part 2 is 95% of the area of the bottommost part of the working end 1, the neck part 2 extends 4mm towards the handle 4 and then is connected with the connecting part 3, the sectional area of the connecting part 3 at the height of 1mm close to one end of the neck part 2 gradually increases to be the same as the area of the bottommost part of the working end 1, and the connecting part extends upwards and is connected with the handle 4.
A first annular scale mark 5, a second annular scale mark 6, a third annular scale mark 7 and a fourth annular scale mark 8 are arranged on a connecting part 3, the distance between the first annular scale mark 5 and a handle 4 is 6mm, the distance between the second annular scale mark 6 and the handle 4 is 5mm, the distance between the third annular scale mark 7 and the handle is 4mm, and the distance between the fourth annular scale mark 8 and the handle is 3 mm. The handle 4 and the pressurizing filling rod 11 are integrally formed by 3D printing of resin materials. The handle 4 is provided with a marking point 10 which points to the buccal surface of the affected tooth for guiding the position in use. The handle 4 is provided with a thread 9 for enhancing the friction.
The invention relates to a method for manufacturing a personalized filler for endodontic barrier surgery, which comprises the following steps of:
and 3, printing the designed individualized filling device for the root canal barrier operation by a 3D laser printer.
The personalized filling device for the endodontic barrier operation is applied to the endodontic barrier operation for treating the endodontic diseases and the periapical diseases, and comprises the apical barrier operation and the pulp revascularization.
Finally, it should be noted that: the above embodiments are only preferred embodiments of the present invention to illustrate the technical solutions of the present invention, but not to limit the technical solutions, and certainly not to limit the patent scope of the present invention; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention; that is, the technical problems to be solved by the present invention, which are not substantially changed or supplemented by the spirit and the concept of the main body of the present invention, are still consistent with the present invention and shall be included in the scope of the present invention; in addition, the technical scheme of the invention is directly or indirectly applied to other related technical fields, and the technical scheme is included in the patent protection scope of the invention.
Claims (9)
1. The individualized filling device for the root canal barrier operation is characterized by comprising a handle (4) and a pressurized filling rod (11) which is arranged on the handle (4) and is used for extending into a root canal to pressurize and fill filling materials in the root canal; the pressurizing filling rod (11) comprises a connecting part (3) connected with the handle (4), a neck part (2) connected with the connecting part (3) and a working end (1) arranged at the tail end of the neck part (2) and used for pressurizing and filling materials, a first annular scale mark (5) is arranged on the connecting part (3), and the distance between the first annular scale mark (5) and the handle (4) is 6 mm.
2. The individualized obturator for endodontic barrier according to claim 1, wherein the pressurized filling rod (11) has a cylindrical shape or an elliptic cylindrical shape.
3. The individualized obturator for endodontic barrier procedure according to claim 1, wherein the connecting portion (3) is provided with a second annular graduation mark (6), a third annular graduation mark (7) and a fourth annular graduation mark (8), and the distance between the second annular graduation mark (6) and the handle (4) is 5mm, the distance between the third annular graduation mark (7) and the handle (4) is 4mm, and the distance between the fourth annular graduation mark (8) and the handle (4) is 3 mm.
4. The individualized obturator for endodontic barrier according to claim 1, wherein the handle (4), the connecting portion (3), the neck portion (2) and the working end (1) are integrally formed by 3D printing using a resin material or a metal material.
5. The individual obturator for endodontic barrier according to claim 1, wherein the handle (4) is provided with a thread (9) for enhancing friction.
6. The individualized obturator for endodontic barrier according to claim 1, wherein the handle (4) is provided with marking points (10) for guiding the patient in position while pointing to the buccal surface of the affected tooth in use.
7. The method for manufacturing the individualized obturator for endodontic barrier according to any one of claims 1 to 6, comprising the steps of:
step 1, acquiring DICOM data of an affected tooth in the oral cavity of a patient through intraoperative CBCT scanning and converting the DICOM data into an editable 3D data format;
step 2, designing an individual filler for the root canal barrier surgery corresponding to the diseased tooth on 3D software according to the root length and the barrier position of the diseased tooth according to the 3D data format, and marking the individual filler for the root canal barrier surgery correspondingly;
and 3, printing the designed individualized filling device for the root canal barrier operation by a 3D laser printer.
8. The manufacturing method according to claim 7, wherein in the step 1, the 3D data format is STL format; in the step 3, the individualized obturator for endodontic barrier is printed using a resin or metal material.
9. The use of the individual obturator for endodontic barrier procedure according to any one of claims 1 to 6, wherein the individual obturator for endodontic barrier procedure is used in an endodontic barrier procedure for the treatment of endodontic and periapical diseases.
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| CN202111561921.1A CN114288041B (en) | 2021-12-20 | 2021-12-20 | Individualized filler for root canal barrier surgery and manufacturing method and application thereof |
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| CN106377434A (en) * | 2016-11-18 | 2017-02-08 | 莫总鸣 | Manufacturing method of root canal filling tip |
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| US5149268A (en) * | 1991-04-16 | 1992-09-22 | Johnson William B | Method of filling an endodontically prepared root canal |
| CA2131088A1 (en) * | 1992-04-01 | 1993-10-02 | William B. Johnson | An improved obturator body for use in filling an endodontically prepared root canal |
| US7097454B1 (en) * | 1998-09-12 | 2006-08-29 | Oh Suk-Song | Endodontic gutta-percha point with working length marks |
| US20060154213A1 (en) * | 2003-12-22 | 2006-07-13 | Kenneth Koch | Integral gutta percha core/cone obturation technique |
| US20080274439A1 (en) * | 2005-02-04 | 2008-11-06 | Gutzner Andreas E | Dental device for use in the obturation of a root canal |
| US7665991B1 (en) * | 2006-05-23 | 2010-02-23 | Cms Dental Aps | Endodontic obturator |
| WO2009116650A1 (en) * | 2008-03-19 | 2009-09-24 | Takahashi Atsushi | Root canal filling system utilizing fiberscope |
| US20120156651A1 (en) * | 2010-12-20 | 2012-06-21 | Levi Jack | Restoration of anterior endodontically treated teeth |
| CN102426614A (en) * | 2011-08-08 | 2012-04-25 | 北京大学口腔医学院 | Computer-aided design making method for dental personalized integrated non-metal post core |
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| CN111388111A (en) * | 2020-04-21 | 2020-07-10 | 吴瑛 | Titanium material root canal plug tip and equipment |
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| Publication number | Publication date |
|---|---|
| CN114288041B (en) | 2023-02-03 |
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