CN106344183B - A kind of device for tooth root canal minimally-invasive treatment - Google Patents
A kind of device for tooth root canal minimally-invasive treatment Download PDFInfo
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- CN106344183B CN106344183B CN201610770516.3A CN201610770516A CN106344183B CN 106344183 B CN106344183 B CN 106344183B CN 201610770516 A CN201610770516 A CN 201610770516A CN 106344183 B CN106344183 B CN 106344183B
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C19/00—Dental auxiliary appliances
- A61C19/06—Implements for therapeutic treatment
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Abstract
The invention discloses a kind of devices for tooth root canal minimally-invasive treatment, including three-dimensional data to obtain module, for the tomoscan CT by being more than or equal to 0.2mm to patient precision, obtains the three-dimensional data of hard tooth tissue and root canal morphology；Prepare module, prepare it is minimally invasive open marrow guide plate and one or more conduit, wherein the conduit is prepared according to the case where root canal, the root canal includes non-calcified root canal and calcified root canal；Execution module, for it is minimally invasive open carry out under marrow guide plate it is minimally invasive open marrow after, select the related equipment of corresponding conduit guidance root canal treatment to enter root canal according to the case where root canal, complete all processes of root canal treatment.The case where i.e. present invention anticipated that tooth pulp cavity and root canal by CBCT completes tooth under guide plate and conduit guidance and opens marrow and establish the access into root canal.Doctor's operating time is greatly shortened, avoid omitting root canal or causes to perforate, avoids excessively removing healthy tooth tissue.
Description
Technical field
The present invention relates to department of stomatology tooth body endodontic treatment technical fields, particularly relate to a kind of minimally invasive for tooth root canal
The device for the treatment of.
Background technique
Root canal treatment is to effectively eliminate the micro- life of bacterium by carrying out perfect cleaning, forming and filling to root canal system
Object, to achieve the purpose that treatment and prevent pulp vitality test.Root canal treatment must prepare one in crown surfaces and open marrow
Hole type can be operated so as to instrument by the root canal system that pulp cavity reaches Its pulp.However open size and the position of marrow hole type
The intensity, stability and use for influencing whether the tooth later period are set, once have lost excessive normal tooth sclerous tissues, remaining tooth
Resistance to compression and flexural capacity can be substantially reduced than normal tooth.Traditional root canal treatment is emphasized, in order to promote root canal system thorough
Debridement and disinfection, it is necessary to opening marrow hole type will adequately open wide, and formed and be able to enter the linear passages of each root canal.But in this way
Violated makes the tooth deuterogenesis hat folding of root canal treatment, root folding root split and stay with the minimally invasive modern medicine idea for saving as theory
Hidden danger is descended.
With advancing age, tooth will increase because of the probability that pulp vitality test occur in saprodontia and periodontosis, need root
Governance is treated to save tooth and restore its function.The tooth of these patients often will appear the calcification in pulp cavity and root canal, this
In the case of, it is very challenging for preparing appropriate open a marrow hole type and determining root canal orifice position, it is more likely that can be sacrificed
Fall a large amount of tissue of tooth or causes the perforation of tooth.The auxiliary tool for being currently known out marrow class is infrared navigation.Infrared navigation
It must have high instrument and equipment, operation could be completed.It still to be looked into observation display while operation when doctor operates
See whether deviate correct position.
Therefore, the present inventor needs to conceive a kind of new technology to improve its problem.
Summary of the invention
The present invention is intended to provide a kind of device for tooth root canal minimally-invasive treatment, utilizes scanning and 3D in CBCT, mouth
Printing technique produces the digitlization guide plate for guiding root canal treatment, can be convenient doctor in this way and precisely operate, greatly shorten
Treatment time keeps treatment results more controllable.
In order to solve the above technical problems, the technical scheme is that：
A kind of device for tooth root canal minimally-invasive treatment, including：
Three-dimensional data obtain module, for by patient precision be more than or equal to 0.2mm tomoscan CT,
Obtain the three-dimensional data of hard tooth tissue and root canal morphology；
Prepare module, prepare it is minimally invasive open marrow guide plate and one or more conduit, wherein the conduit is according to root canal
Prepared by situation, the root canal includes non-calcified root canal and calcified root canal；
Execution module, for it is minimally invasive open carry out under marrow guide plate it is minimally invasive open marrow after, selection is corresponding the case where according to root canal
The related equipment of conduit guidance root canal treatment enters root canal, completes all processes of root canal treatment.
It preferably, further include a registration module, for obtaining the digitlization print of tooth by optics die scanner in mouth
Mould is then registrated in three-dimensional visualization software by three-dimensional data and digitlization stamp.
Preferably, the registration module specifically includes：
Initial data acquiring unit is exported as the initial data of Dicom for the three-dimensional data acquisition by CBCT software；
STL data capture unit is formed for obtaining the digitlization stamp of tooth by optics die scanner in mouth
STL data；
Registration unit, for the initial data of relevant STL data and Dicom to be matched in three-dimensional visualization software
It is quasi-.
Preferably, the preparation module specifically includes：
It is minimally invasive to open marrow guide plate preparation unit, for utilizing registration result, using the leading as support of the dental tissue at corona
Plate reserves out aperture and the depth of marrow position, forms guide plate model, and guide plate model is output to and is prepared in software, thus
It produces and minimally invasive opens marrow guide plate；
Root canal model preparation unit, for making non-calcified root canal and non-calcified root canal template；
For non-calcified root canal, is designed in preparing software from the curved casing of cone for opening pith cavity arrival root canal orifice, opened
At pith cavity diameter with open that pith cavity is identical, the opening diameter of root canal orifice is 0.5mm, is designed if the tooth is more root canal orifices more
Item covers the route of pipe line；
For calcified root canal, measure in preparing software from root canal below the central point to each calcified root canal mouth for opening pith cavity
Linear distance at 5mm between the central point of root canal cross-section is designed from the straight line circle set for opening 5mm under pith cavity to root canal orifice
Pipe, aperture is 0.5mm, also according to calcified root canal number be designed as it is a plurality of；
Conduit preparation unit, for making using non-calcified root canal and calcified root canal as the conduit of template.
Preferably, select the compound speed car needle for opening marrow hole type diameter along guide plate direction and depth in the execution module
Carry out out marrow operation.
Preferably, the minimally invasive marrow guide plate and/or the material of the conduit opened is hard resin material.
Preferably, the tomoscan CT is CBCT.
Preferably, the software for preparing is 3D printing design software.
Preferably, described minimally invasive to open marrow guide plate and/or the conduit is prepared by 3D printing technique.
By adopting the above technical scheme, the present invention includes at least following beneficial effect：
1. the device of the present invention for tooth root canal minimally-invasive treatment, anticipated that tooth pulp cavity and root by CBCT
The case where pipe, completes tooth under guide plate and conduit guidance and opens marrow and establish the access into root canal.Greatly shorten doctor's operation
Time avoids omitting root canal or causes to perforate, avoids excessively removing healthy tooth tissue.
2. the device of the present invention for tooth root canal minimally-invasive treatment, the minimally invasive design for opening marrow guide plate is simple, production
It is at low cost.As long as production side has tooth optics die scanning device, 3DS Max software, 3D printing equipment, and patient only needs
The initial data of tooth CBCT and the dental impressions of a routine are provided.The resin price of 3D printing is cheap, and finished product speed is fast.
3. the device of the present invention for tooth root canal minimally-invasive treatment, the minimally invasive root canal treatment guide plate of 3D printing are matched
Closing conventional root canal treatment tool can be used, and doctor does not need excessively to consider when operating, just not along minimally invasive root canal guide plate direction
It can deviate.And as far as is known, this is the minimally invasive root canal treatment method that only one can accomplish whole navigation.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the device of the present invention for tooth root canal minimally-invasive treatment；
Fig. 2 is the flow chart of the method minimally invasive for root canal treatment tooth of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
As depicted in figs. 1 and 2, to meet a kind of device for tooth root canal minimally-invasive treatment of the present invention, including：
Three-dimensional data obtain module, for by patient precision be more than or equal to 0.2mm tomoscan CT,
Obtain the three-dimensional data of hard tooth tissue and root canal morphology；It is further preferable that tomoscan CT is CBCT.
Prepare module, prepare it is minimally invasive open marrow guide plate and one or more conduit, wherein the conduit is according to root canal
Prepared by situation, the root canal includes non-calcified root canal and calcified root canal；
Execution module, for it is minimally invasive open carry out under marrow guide plate it is minimally invasive open marrow after, selection is corresponding the case where according to root canal
The related equipment of conduit guidance root canal treatment enters root canal, completes all processes of root canal treatment.
It preferably, further include a registration module, for obtaining the digitlization print of tooth by optics die scanner in mouth
Mould is then registrated in three-dimensional visualization software by three-dimensional data and digitlization stamp.
Preferably, the registration module specifically includes：
Initial data acquiring unit is exported as the initial data of Dicom for the three-dimensional data acquisition by CBCT software；
STL data capture unit is formed for obtaining the digitlization stamp of tooth by optics die scanner in mouth
STL data；
Registration unit, for the initial data of relevant STL data and Dicom to be matched in three-dimensional visualization software
It is quasi-.
Preferably, the preparation module specifically includes：
It is minimally invasive to open marrow guide plate preparation unit, for utilizing registration result, using the leading as support of the dental tissue at corona
Plate reserves out aperture and the depth of marrow position, forms guide plate model, and guide plate model is output to and is prepared in software, thus
It produces and minimally invasive opens marrow guide plate；
Root canal model preparation unit, for making non-calcified root canal and non-calcified root canal template；
For non-calcified root canal, is designed in preparing software from the curved casing of cone for opening pith cavity arrival root canal orifice, opened
At pith cavity diameter with open that pith cavity is identical, the opening diameter of root canal orifice is 0.5mm, is designed if the tooth is more root canal orifices more
Item covers the route of pipe line；
For calcified root canal, measure in preparing software from root canal below the central point to each calcified root canal mouth for opening pith cavity
Linear distance at 5mm between the central point of root canal cross-section is designed from the straight line circle set for opening 5mm under pith cavity to root canal orifice
Pipe, aperture is 0.5mm, also according to calcified root canal number be designed as it is a plurality of；
Conduit preparation unit, for making using non-calcified root canal and calcified root canal as the conduit of template.
Preferably, select the compound speed car needle for opening marrow hole type diameter along guide plate direction and depth in the execution module
Carry out out marrow operation.
Preferably, the minimally invasive marrow guide plate and/or the material of the conduit opened is hard resin material.
Preferably, the software for preparing is 3D printing design software.
Preferably, described minimally invasive to open marrow guide plate and/or the conduit is prepared by 3D printing technique.
Illustrated below with a specific embodiment, process is as follows：
A. hard tooth tissue and root canal are obtained by being more than or equal to the CBCT of 0.2mm to patient precision first
The three-dimensional data of form；
B. acquisition three-dimensional data is exported as by CBCT software the initial data of Dicom；
C. the digitlization stamp of tooth is obtained by optics die scanner in mouth, related STL data and Dicom's is original
Data are registrated in three-dimensional visualization software 3DS Max；
D. the three-dimensional tooth figure after being registrated can observe position, number and the form and the bending of root canal of root canal orifice
Number and angle obtain the central point that each root canal orifice is made up of line figure with this, then measure central point to tooth (after
Tooth) it is engaged the vertical range of facial plane or the vertical range on tooth (labial teeth) cut end vertex；
E. according to tooth labial teeth, premolar teeth and the differentiation ground one's teeth in sleep, tooth it is minimally invasive open marrow hole type be respectively set as 1mm,
1.5mm,2.0mm.Marrow depth is opened to be set as being engaged plane (labial teeth) the hanging down to pulp roof of facial plane (backteeth) or cut end cusp
Straight distance；
F. design in software using the dental tissue at corona as support guide plate, reserve out marrow position aperture and
Depth, and guide plate model is output to the design software of 3D printing；
G. the minimally invasive of hard resin material is made by 3D printing technique and opens marrow guide plate；
H. when clinical manipulation, the compound speed car needle for opening marrow hole type diameter is selected to open marrow guide plate direction and depth along minimally invasive
Carry out out marrow operation；
I. for non-calcified root canal：It is designed in 3DS Max software from the curved set of cone for opening pith cavity arrival root canal orifice
Pipe, open at pith cavity diameter with open that pith cavity is identical, the opening diameter of root canal orifice is 0.5mm, is set if the tooth is more root canal orifice
Count out a plurality of set route of pipe line；
J. for calcified root canal：Measurement is under the central point to each calcified root canal mouth for opening pith cavity in 3DS Max software
Linear distance at root pipe 5mm between the central point of root canal cross-section is designed from the straight line circle for opening 5mm under pith cavity to root canal orifice
Shape casing, aperture are 0.5mm, also according to calcified root canal number be designed as it is a plurality of；
K. it is made by 3D printing technique using i and j as the conduit of template hard resin；
L. when clinical manipulation, it is minimally invasive open carry out under marrow guide plate it is minimally invasive open marrow after, selection is corresponding the case where according to root canal
The related equipment of conduit guidance root canal treatment enters root canal, completes all processes of root canal treatment.
The diagnosing and treating that CBCT treats the department of stomatology is promoted to a new height.CBCT is frequently used in tooth-planting
Field measures the level height and width of alveolar bone, the anatomical structures such as visual marker mandible incisor.Another is important to answer
Be in implant operation using guide plate guidance patient according to preset position angle and depth Implant.
Nowadays, this CAD manufacturing technology is introduced into the accurate of root canal treatment for the first time by present inventor
It is minimally invasive to open marrow and positioning calcified root canal field.In fact, the number of tooth root canal, length, bending angle, root canal orifice diameter, with
And root canal orifice can access visualization measurement data apart from the height that tooth closes face on CBCT.That designs on this basis is micro-
Wound, which opens marrow hole type and can protect more tooth structures, to be avoided perforating, especially for the serious tooth of pulp cavity root canal calcification.
The present embodiment is to be produced using scanning and 3D printing technique in CBCT, mouth for guiding the minimally invasive of root canal treatment
Open marrow guide plate.The minimally invasive effect for opening marrow guide plate：From preparing, the minimally invasive machinery for opening marrow hole type to positioning root canal orifice and root canal whole process is pre-
Standby, chemical preparation and root-canal filling, that is, to reach the whole of root canal treatment and all be completed under the minimally invasive guidance for opening marrow guide plate.
It can be convenient doctor so precisely to operate, greatly shorten treatment time, keep treatment results more controllable.
Advantage of the invention is that：
1. the case where anticipated that tooth pulp cavity and root canal by CBCT, completed under marrow guide plate and conduit guidance in minimally invasive open
Tooth opens marrow and establishes the access into root canal.Doctor's operating time is greatly shortened, avoid omitting root canal or causes to perforate, is avoided
Excessive removal healthy tooth tissue.Bizet opens the circle that the diameter of pith cavity is 1-2mm, and the aperture of root canal orifice is only 0.5mm, maximum
The teeth preservation tissue of degree.Minimally invasive marrow guide plate accuracy error of opening is very small, only 0.17-0.21mm.
2. the minimally invasive design for opening marrow guide plate is simple, low manufacture cost.As long as production side has tooth optics die, scanning is set
Standby, 3DS Max software, 3D printing equipment, and patient only needs to provide the initial data of tooth CBCT and the tooth of a routine
Stamp.The resin price of 3D printing is cheap, and finished product speed is fast.
3. similar product advantage：
The auxiliary tool for being currently known out marrow class is infrared navigation.Infrared navigation must have high instrument and equipment,
It can complete operation.It still observation display to check whether to deviate correct position while operation when doctor operates.
The minimally invasive root canal treatment guide plate of 3D printing, cooperating conventional root canal treatment tool, (it is conventional work in the prior art
Tool, details are not described herein again) it can be used, doctor does not need excessively to consider when operating, and just will not along minimally invasive root canal guide plate direction
Deviate.And as far as is known, this is the minimally invasive root canal treatment method that only one can accomplish whole navigation.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (8)
1. a kind of device for tooth root canal minimally-invasive treatment, which is characterized in that including：
Three-dimensional data obtains module, for the tomoscan CT by being more than or equal to 0.2mm to patient precision, obtains
The three-dimensional data of hard tooth tissue and root canal morphology；
Prepare module, prepare it is minimally invasive open marrow guide plate and one or more conduit, wherein the case where conduit is according to root canal
It is prepared, the root canal includes non-calcified root canal and calcified root canal；
Execution module, for it is minimally invasive open carry out under marrow guide plate it is minimally invasive open marrow after, select corresponding conduit according to the case where root canal
The related equipment of guidance root canal treatment enters root canal, completes all processes of root canal treatment；
The preparation module specifically includes：
It is minimally invasive to open marrow guide plate preparation unit, for utilizing registration result, using the dental tissue at corona as the guide plate of support, in advance
Aperture and the depth of marrow position are reserved out, guide plate model is formed, and guide plate model is output to and is prepared in software, to produce
It is minimally invasive to open marrow guide plate；
Root canal model preparation unit, for making non-calcified root canal and non-calcified root canal template；
For non-calcified root canal, is designed in preparing software from the curved casing of cone for opening pith cavity arrival root canal orifice, open pith cavity
Place's diameter with open that pith cavity is identical, the opening diameter of root canal orifice is 0.5mm, designs a plurality of set if the tooth is more root canal orifice
The route of pipe line；
For calcified root canal, measure in preparing software from root canal 5mm below the central point to each calcified root canal mouth for opening pith cavity
Locate the linear distance between the central point of root canal cross-section, designs from the straight line circular casing for opening 5mm under pith cavity to root canal orifice, hole
Diameter is 0.5mm, also according to calcified root canal number be designed as it is a plurality of；
Conduit preparation unit, for making using non-calcified root canal and calcified root canal as the conduit of template.
2. being used for the device of tooth root canal minimally-invasive treatment as described in claim 1, which is characterized in that further include one with quasi-mode
Block then passes through three-dimensional data and digitlization print for obtaining the digitlization stamp of tooth by optics die scanner in mouth
Mould is registrated in three-dimensional visualization software.
3. being used for the device of tooth root canal minimally-invasive treatment as claimed in claim 2, which is characterized in that the registration module is specific
Including：
Initial data acquiring unit is exported as the initial data of Dicom for the three-dimensional data acquisition by CBCT software；
STL data capture unit forms STL number for obtaining the digitlization stamp of tooth by optics die scanner in mouth
According to；
Registration unit, for the initial data of relevant STL data and Dicom to be registrated in three-dimensional visualization software.
4. being used for the device of tooth root canal minimally-invasive treatment as described in claim 1, it is characterised in that：It is selected in the execution module
It selects the compound speed car needle for opening marrow hole type diameter and carries out out marrow operation along guide plate direction and depth.
5. being used for the device of tooth root canal minimally-invasive treatment as described in claim 1, it is characterised in that：It is described minimally invasive to open marrow guide plate
And/or the material of the conduit is hard resin material.
6. being used for the device of tooth root canal minimally-invasive treatment as described in claim 1, it is characterised in that：The tomoscan CT is
CBCT。
7. being used for the device of tooth root canal minimally-invasive treatment as described in claim 1, it is characterised in that：The software for preparing is 3D
Printed design software.
8. being used for the device of tooth root canal minimally-invasive treatment as described in claim 1, it is characterised in that：It is described minimally invasive to open marrow guide plate
And/or the conduit is prepared by 3D printing technique.
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI633875B (en) * | 2017-09-15 | 2018-09-01 | 霽邦有限公司 | Method and system for manufacturing apical resection surgery guide plate and computer-readable recording medium |
| CN110742704B (en) * | 2019-04-02 | 2022-06-17 | 中国人民解放军陆军特色医学中心 | Embedded guide plate for accurately positioning root canal, preparation method and preparation system thereof, application thereof and accurate positioning method of root canal |
| CN110269715B (en) * | 2019-06-20 | 2020-10-30 | 温州医科大学附属口腔医院 | Root canal monitoring method and system based on AR |
| CN110478059A (en) * | 2019-09-18 | 2019-11-22 | 南京市口腔医院 | Tooth is minimally invasive to open marrow device and intelligent root canal preparation system |
| CN114714625B (en) * | 2022-03-25 | 2023-11-21 | 兰州大学 | Method for manufacturing personalized root canal filling material by using 3D printing mode |
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Address after: 215129 No. 36 Ying Street, hi tech Zone, Jiangsu, Suzhou Patentee after: Suzhou Sumai Medical Technology Co.,Ltd. Address before: 215129 No. 36 Ying Street, hi tech Zone, Jiangsu, Suzhou Patentee before: Suzhou Sumai Medical Equipment Co.,Ltd. |