CN111317584A - Pulp cavity access pulp opening guide plate for incisors and canine teeth - Google Patents
Pulp cavity access pulp opening guide plate for incisors and canine teeth Download PDFInfo
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- CN111317584A CN111317584A CN202010128268.9A CN202010128268A CN111317584A CN 111317584 A CN111317584 A CN 111317584A CN 202010128268 A CN202010128268 A CN 202010128268A CN 111317584 A CN111317584 A CN 111317584A
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- 210000004283 incisor Anatomy 0.000 title claims abstract description 20
- 210000003464 cuspid Anatomy 0.000 title claims abstract description 18
- 230000000149 penetrating effect Effects 0.000 claims abstract description 5
- 238000000034 method Methods 0.000 claims description 22
- 210000005056 cell body Anatomy 0.000 claims description 18
- 238000013459 approach Methods 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 8
- 229910052751 metal Inorganic materials 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 6
- 208000002925 dental caries Diseases 0.000 claims description 4
- 229910001069 Ti alloy Inorganic materials 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 241000282465 Canis Species 0.000 claims 2
- 238000010008 shearing Methods 0.000 claims 1
- 230000009286 beneficial effect Effects 0.000 abstract description 6
- 238000013461 design Methods 0.000 abstract description 6
- 210000000214 mouth Anatomy 0.000 description 15
- 210000004262 dental pulp cavity Anatomy 0.000 description 11
- 238000002360 preparation method Methods 0.000 description 11
- 238000009434 installation Methods 0.000 description 10
- 238000005516 engineering process Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 7
- 239000011324 bead Substances 0.000 description 5
- 230000003014 reinforcing effect Effects 0.000 description 4
- 238000010146 3D printing Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 229910003460 diamond Inorganic materials 0.000 description 2
- 239000010432 diamond Substances 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 238000007639 printing Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 230000003746 surface roughness Effects 0.000 description 2
- 238000002560 therapeutic procedure Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 210000002421 cell wall Anatomy 0.000 description 1
- 238000007408 cone-beam computed tomography Methods 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C5/00—Filling or capping teeth
- A61C5/40—Implements for surgical treatment of the roots or nerves of the teeth; Nerve needles; Methods or instruments for medication of the roots
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C1/00—Dental machines for boring or cutting ; General features of dental machines or apparatus, e.g. hand-piece design
- A61C1/08—Machine parts specially adapted for dentistry
- A61C1/082—Positioning or guiding, e.g. of drills
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- Health & Medical Sciences (AREA)
- Oral & Maxillofacial Surgery (AREA)
- General Health & Medical Sciences (AREA)
- Epidemiology (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- Animal Behavior & Ethology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Dentistry (AREA)
- Surgery (AREA)
- Biomedical Technology (AREA)
- Neurology (AREA)
- Engineering & Computer Science (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Neurosurgery (AREA)
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Abstract
The invention discloses a pulp cavity access pulp opening guide plate for incisors and canine teeth, which comprises a guide plate body, wherein a guide cylinder is further arranged on the guide plate body, a center hole is formed in the center of the guide cylinder, a second groove body penetrating through the side wall of the guide cylinder is further arranged on the side wall of the guide cylinder in the wall thickness direction of the guide cylinder, and one end of the second groove body is intersected with one side, far away from the guide plate body, of the guide cylinder. The structural design of the guide plate not only facilitates implementation of marrow cavity access and marrow opening operation, but also can improve the comfort of a patient and is beneficial to realizing minimally invasive marrow opening.
Description
Technical Field
The invention relates to the field of tools for opening an entry hole of a tooth pulp cavity, in particular to a pulp cavity entry pulp opening guide plate for incisors and canine teeth.
Background
In the oral root canal treatment, the opening of the pulp cavity access is the first step of the tooth operation procedure, and the good pulp cavity access design and the good opening quality have very important significance for the oral root canal treatment and the tooth protection.
Pulp cavity access, also known as pulp cavity access, refers to the opening of a hole from the exterior of the crown to access the pulp chamber or pulp cavity, also known as pulp opening, requiring the hole to reach the radicular orifice directly. The proper cavity shape is beneficial to establishing a straight path for instruments to enter the root canal and to reserve the tooth tissue to the maximum extent so as to ensure the retention and resistance, and in the past, the shape has great dependence on the technique and experience of the pulp opening doctor.
Due to individual differences between teeth, it is very difficult for the dentist to prepare a medullary cavity shape that exactly matches the pulp cavity and root canal morphology without the aid of an auxiliary device. For this reason, it is necessary to find corresponding auxiliary devices and methods so that they can be used on the medullary cavity.
With the development and popularization of computer technology and scanning technology, in the prior art, for example: obtaining three-dimensional data of a pulp chamber and an upper section of a root canal of a target tooth and three-dimensional data of a crown surface through CBCT scanning of cone beam projection computer recombination tomography, determining an optimal pulp cavity entering direction by utilizing computer imaging and combining with experience or automatically calculating the optimal pulp cavity entering direction by a computer; at the same time, other corresponding data of the tooth are obtained: the data of the surface of the dental crown, the data of the mesial-medial margin line, the distal-medial margin line and the like of the proximal-medial and the distal-medial crown surface and the buccal-lingual surface are combined with the 3D printing technology, and a guide plate (also called a base plate) comprising a guide barrel or a guide hole is manufactured for a patient. After the guide plate is arranged in the oral cavity of a patient, corresponding marrow opening operation is finished manually under the guidance of the guide plate. The operation of opening the medullary cavity is completed by adopting the technical means, and compared with the prior art, the accuracy of opening the medullary cavity access can be effectively improved.
Further optimization of the pulp cavity approach pulp opening technology to promote further development of oral medical technology is an important direction for scientific research of technicians in the field.
Disclosure of Invention
Aiming at the technical problems that the further optimization of the pulp cavity approach pulp opening technology is provided to promote the further development of the oral medical technology, which is an important direction for the technical personnel in the field to carry out scientific research, the invention provides the pulp cavity approach pulp opening guide plate for incisors and canine teeth. The structural design of the guide plate not only facilitates implementation of the marrow cavity access and marrow opening operation, but also improves the comfort of the patient and is beneficial to realizing minimally invasive and accurate marrow opening.
Aiming at the problems, the pulp cavity approach pulp opening guide plate for the incisors and the canine teeth provided by the invention solves the problems through the following technical points: a marrow baffle is opened in pulp cavity entry for incisor and cuspid, including the baffle body, still be provided with the guide cylinder on the baffle body, the center of guide cylinder is provided with the centre bore, at the wall thickness direction of guide cylinder, still is provided with the second cell body that runs through the guide cylinder lateral wall on the lateral wall of guide cylinder, the one end of second cell body is crossing with the one side that the guide cylinder kept away from the baffle body.
In the digital pulp chamber access solution to root canal therapy, include: based on the solution of establishing file (car needle) in high-speed cell-phone car needle, slow-speed cell-phone car needle, straight line route, the car needle includes:
a cutting part comprising: the diameter of the diamond is generally as follows: 0.5-1.5 mm;
a connecting part: the parts submerged in the dental handpiece to which it is attached, in the ISO standard, are specified with fast and slow handpiece dimensions.
As shown in the technical solution provided in the invention patent with application number 201610992546.9, in the prior art, after obtaining an optimal approach solution of the medullary cavity by a scanning technique, a modeling technique and a computer technique, a guide device is obtained by a printing technique, and under the action of the guide device, an oral cavity doctor is assisted to complete the preparation of the medullary cavity.
After the preparation of the guide device is completed, the guide device needs to be installed in the oral cavity of a patient before specific preparation of the medullary cavity, the guide device is generally installed in the oral cavity, positioning is achieved through the fact that a personalized tooth-shaped cavity on the bottom side of the guide plate body is matched with teeth, and the guide plate body is fixed on the teeth through a clamping or bonding mode.
The guide plate provided by the scheme is the guide device, the guide plate body is used as a base body to be installed in the oral cavity of a patient and used as a base plate, the guide cylinder is used as a guide structure of the guide plate body, and the center hole on the guide cylinder is a guide hole on the guide cylinder when the medullary hole is prepared.
In the concrete design of this scheme, through setting up to still including the second cell body, when concrete application, accomplish the installation back of baffle body, use the car needle to introduce as an example, the second cell body is as the car needle by the passageway of guide cylinder side embedding centre bore, thus, compare in prior art, the car needle is introduced the guide cylinder and is no longer required to be kept away from the one end of baffle body by the guide cylinder and is introduced, because the patient no longer needs bigger opening width, so adopt this scheme to realize that the medullary cavity is gone into when seting up, not only make things convenient for doctor's operation, can improve patient's travelling comfort simultaneously. Meanwhile, the second groove body penetrates through the side wall of the guide cylinder, so that the second groove body can be used as a chip removal hole, a drain hole and an observation hole in the marrow cavity access opening process, more convenient chip removal and drainage can be realized, the influence of abrasive particles generated in the marrow cavity access opening process on the side wall of the marrow cavity access can be effectively reduced, and minimally invasive and accurate marrow opening is favorably realized.
As the technical personnel in this area, accomplish the installation back of baffle body in the oral cavity, the second cell body is located the inboard and the outside of baffle body all can, for making the effect of the more audio-visual performance observation hole of second cell body, sets up to: after the installation of the guide plate body in the oral cavity is completed, the second groove body is positioned on the outer side of the guide plate body.
The further technical scheme is as follows:
in order to make the preparation of this baffle can conveniently and accurately obtain through current scanning technique and 3D printing technique, set up to: the combined body formed by the guide plate body and the guide cylinder is of an integrated structure.
In order to realize the limitation of the specific axial direction of the lathe needle during working based on the guide plate, and to realize the preparation of accurately opening the medullary hole, the guide plate is arranged as follows: the guide cylinder is made of plastic or rubber and further comprises a sleeve made of metal, a first groove body penetrating through the side wall of the sleeve is further arranged on the side wall of the sleeve in the wall thickness direction of the sleeve, and one end of the first groove body is intersected with one end of the sleeve;
the center hole is used as a mounting hole for mounting the sleeve on the guide plate body: the sleeve is wholly or partially embedded into the central hole and is coaxial with the central hole;
after the sleeve is embedded into the central hole, the first groove body is connected with the second groove body: the first groove body and the second groove body form a channel for embedding the lathe needle into the sleeve from the side face of the guide plate body. This scheme is when concrete application, right the material of guide cylinder is injectd and is aimed at providing a light, and the guide cylinder that the cost of manufacture is low, if adopt the guide cylinder and the scheme of baffle body formula structure as an organic whole, sets up to still including the sleeve, is injectd through the material to the sleeve simultaneously for the sleeve itself is the wearing parts on this baffle, imbeds at the sleeve behind the centre bore, the sleeve is as the inboard wearing layer of guide cylinder: the needle section with the guiding function is arranged on the corresponding needle to serve as the guiding part, the diameter of the upper needle section is equal to the inner diameter of the sleeve, and therefore the specific direction of the needle can be limited through the sleeve, the needle is guided to run through the sleeve, a doctor can conveniently complete the opening of the medullary cavity, and meanwhile the accuracy of the opening of the medullary cavity can be improved.
For avoiding the sleeve to take place to rotate in the centre bore, influence the assembly precision of sleeve on the baffle body, influence the operation of medullary cavity entry, set up to: the sleeve is characterized by further comprising a groove and a rib which are arranged between the sleeve and the guide cylinder, one of the groove and the rib is arranged on the outer side wall of the sleeve, the other of the groove and the rib is arranged on the surface of the central hole, in the process that the sleeve is embedded into the central hole, the rib is embedded into the groove, the groove wall is used for restraining the rib, the rib is sheared through the rib, and the sleeve is prevented from rotating in the central hole. In this embodiment, the protruding ridge is a key provided on any one of the above members, and the other protruding ridge is a key groove. Preferably, for reducing the use cost of this baffle, set up to the connected mode of sleeve and guide cylinder and be removable connected mode: the guide plate body needs to be individually designed according to different patients, but the sleeve can be used as a part which can be repeatedly used, the rotation prevention and the restraint of the sleeve are realized by utilizing the convex edges and the grooves, the medullary cavity entry opening quality can be guaranteed, and meanwhile, the detachable connection can be well realized.
For thickness or height of each part on the furthest utilization this baffle, convenient if introduce the turning needle in the guide cylinder, utilize first cell body and second cell body chip removal, flowing back, utilize the passageway forms the circumstances of seting up of observing the upper pulp cavity approach of affected tooth of viewing aperture, sets up to: the first groove body penetrates through the upper end and the lower end of the sleeve; the guide cylinder is protruded relative to the upper end of the guide plate body, and the second groove body extends to the lower end of the guide plate body from the upper end of the guide cylinder.
For making the passageway not only can exert water conservancy diversion effect and viewing aperture effect, does benefit to the bulk rigidity of this baffle simultaneously to do benefit to the marrow cavity approach and set up the precision, set up to: the guide cylinder protrudes relative to the upper end of the guide plate body, and the tooth cavity is positioned on the guide plate body and on the lower side of the guide cylinder and used for accommodating an affected tooth;
in the length direction of the affected tooth, the bottom surface of the channel is a closed end, and the bottom surface is positioned between the bottom surface of the cavity and the tooth surface of the affected tooth.
In order to be beneficial to saving materials, the sleeve has better deformation resistance integrally to restrict the work of a machine needle under the condition that the thickness of the sleeve is thinner, and the structure is as follows: the outer side of the sleeve is also provided with an annular convex rib extending around the circumferential direction of the sleeve. When the scheme is used specifically, the annular convex edge is a reinforcing edge for reinforcing the deformation resistance of the sleeve.
As a sleeve when restraint is like car needle, itself wearing and tearing are little, and can not cause the technical scheme of injury to the patient, set up to: the inner wall surface of the sleeve is a smooth surface, and the sleeve is made of titanium alloy or stainless steel. In particular applications, the inner wall surface may have a surface roughness value less than or equal to ra 1.6.
In order to make the guide cylinder itself have certain wear resistance to restrict the movement direction of the needle during working, the following arrangement is adopted: the guide cylinder is made of metal.
For the laminating condition of conveniently observing baffle body and tooth to confirm the installation accuracy of baffle body in the patient oral cavity, set up to: the observation window is arranged on the guide plate body;
the utility model discloses a tooth guide plate, including baffle body, guide cylinder, observation window, guide cylinder, the downside of baffle body is provided with a plurality of tooth die cavities, the position of guide cylinder matches with the tooth die cavity that the tooth that suffers from, the observation window is for setting up the pore on the baffle body, and the drill way of observation window one side is crossing with the top surface of baffle body, and the drill way of observation window opposite side is crossing with the bottom surface of tooth die cavity, and the tooth die cavity that the observation window corresponds is adjacent relation with the.
In this scheme, the downside of baffle body be the baffle body be used for with tooth complex one side, corresponding, the upside of baffle body is the offside of baffle body downside promptly.
The invention has the following beneficial effects:
in the concrete design of this scheme, through setting up to still including the second cell body, when concrete application, accomplish the installation back of baffle body, use the car needle to introduce as an example, the second cell body is as the car needle by the passageway of guide cylinder side embedding centre bore, thus, compare in prior art, the car needle is introduced the guide cylinder and is no longer required to be kept away from the one end of baffle body by the guide cylinder and is introduced, because the patient no longer needs bigger opening width, so adopt this scheme to realize that the medullary cavity is gone into when seting up, not only make things convenient for doctor's operation, can improve patient's travelling comfort simultaneously. Meanwhile, the second groove body penetrates through the side wall of the guide cylinder, so that the second groove body can be used as a chip removal hole, a drain hole and an observation hole in the marrow cavity access opening process, more convenient chip removal and drainage can be realized, the influence of abrasive particles generated in the marrow cavity access opening process on the side wall of the marrow cavity access can be effectively reduced, and minimally invasive and accurate marrow opening is favorably realized.
Drawings
FIG. 1 is a schematic structural view of an embodiment of a pulp cavity access pulp opening guide for incisors and canine teeth according to the present invention;
fig. 2 is a schematic structural view of a sleeve in an embodiment of the pulp cavity access opening guide for incisors and canine teeth according to the present invention.
The labels in the figures are: 1. the guide plate comprises a guide plate body, 2, a sleeve, 3, a guide cylinder, 4, a first groove body, 5, a second groove body, 6, a central hole, 7, an observation window, 8 and an annular convex edge.
Detailed Description
The present invention will be described in further detail with reference to the following examples, but the present invention is not limited to the following examples:
example 1:
as shown in fig. 1 and 2, the marrow cavity approach marrow opening guide plate for incisors and canine teeth comprises a guide plate body 1, wherein a guide cylinder 3 is further arranged on the guide plate body 1, a central hole 6 is formed in the center of the guide cylinder 3, a second groove body 5 penetrating through the side wall of the guide cylinder 3 is further arranged on the side wall of the guide cylinder 3 in the wall thickness direction of the guide cylinder 3, and one end of the second groove body 5 is intersected with one side, away from the guide plate body 1, of the guide cylinder 3.
In the digital pulp chamber access solution to root canal therapy, include: based on the solution of establishing file (car needle) in high-speed cell-phone car needle, slow-speed cell-phone car needle, straight line route, the car needle includes:
a cutting part comprising: the diameter of the diamond is generally as follows: 0.5-1.5 mm;
a connecting part: the parts submerged in the dental handpiece to which it is attached, in the ISO standard, are specified with fast and slow handpiece dimensions.
As shown in the technical solution provided in the invention patent with application number 201610992546.9, in the prior art, after obtaining an optimal approach solution of the medullary cavity by a scanning technique, a modeling technique and a computer technique, a guide device is obtained by a printing technique, and under the action of the guide device, an oral cavity doctor is assisted to complete the preparation of the medullary cavity.
After the preparation of the guide device is completed, the guide device needs to be installed in the oral cavity of a patient before specific preparation of the medullary cavity, the installation of the guide device in the oral cavity is generally realized by matching a personalized tooth-shaped cavity at the bottom side of the guide plate body 1 with teeth to realize positioning, and the guide plate body 1 is fixed on the teeth in a clamping or bonding mode.
The guide plate provided by the scheme is a guide device, the guide plate body 1 is used as a seat body to be installed in the oral cavity of a patient and used as a base plate, the guide cylinder 3 is used as a guide structure of the guide plate body 1, and the center hole 6 on the guide cylinder 3 is a guide hole on the guide cylinder 3 during preparation of a medullary hole.
In the concrete design of this scheme, through setting up to still including second cell body 5, when concrete application, accomplish baffle body 1's installation back, use the car needle to introduce as an example, second cell body 5 is by 3 side embedding centre bore 6's of guide cylinder passageways of guide cylinder as the car needle, thus, compared with prior art, the car needle is introduced guide cylinder 3 and no longer need be kept away from the one end of baffle body 1 and is introduced by guide cylinder 3, because the patient no longer needs bigger opening width, so when this scheme of adoption realizes that the medullary cavity is gone into the way and is seted up, not only make things convenient for doctor's operation, can improve patient's travelling comfort simultaneously. Meanwhile, the second groove body 5 penetrates through the side wall of the guide cylinder 3, so that the second groove body 5 can be used as a chip removal hole, a drain hole and an observation hole in the marrow cavity access opening process, more convenient chip removal and drainage can be realized, the influence of abrasive particles generated in the marrow cavity access opening process on the side wall of the marrow cavity access can be effectively reduced, and minimally invasive and accurate marrow opening is facilitated.
As the technical personnel in this field, after accomplishing the installation of baffle body 1 in the oral cavity, second cell body 5 is located the inboard and the outside of baffle body 1 all can, for making second cell body 5 can more audio-visual performance observation hole effect, sets up as: after the installation of the fence body 1 in the oral cavity is completed, the second groove body 5 is located outside the fence body 1.
Example 2:
this embodiment is further defined on the basis of embodiment 1, and as shown in fig. 1 and fig. 2, in order to make the preparation of the present guide plate conveniently and accurately obtained by the existing scanning technology and 3D printing technology, the following are set up: the combined body formed by the guide plate body 1 and the guide cylinder 3 is of an integrated structure.
In order to realize the limitation of the specific axial direction of the lathe needle during working based on the guide plate, and to realize the preparation of accurately opening the medullary hole, the guide plate is arranged as follows: the guide cylinder 3 is made of plastic or rubber and further comprises a sleeve 2 made of metal, a first groove body 4 penetrating through the side wall of the sleeve 2 is further arranged on the side wall of the sleeve 2 in the wall thickness direction of the sleeve 2, and one end of the first groove body 4 is intersected with one end of the sleeve 2;
the central hole 6 is used as a mounting hole for mounting the sleeve 2 on the guide plate body 1: the sleeve 2 is wholly or partially embedded in the central hole 6, and the sleeve 2 is coaxial with the central hole 6;
after the sleeve 2 is inserted into the central hole 6, the first groove body 4 is connected with the second groove body 5: the first groove body 4 and the second groove body 5 form a channel for embedding the needle into the sleeve 2 from the side surface of the guide plate body 1. This scheme is when concrete application, right the material of guide cylinder 3 is injectd and is aimed at providing a light, and the cost of manufacture is low guide cylinder 3, if adopt the scheme of guide cylinder 3 and 1 formula structure as an organic whole of baffle body, sets up to still including sleeve 2, is injectd through the material to sleeve 2 simultaneously for sleeve 2 itself is the wearing parts on this baffle, imbeds at sleeve 2 behind centre bore 6, sleeve 2 is as the inboard wearing layer of guide cylinder 3: through setting up to have the needle section of performance guide effect as the guide portion on corresponding car needle, the diameter of above needle section equals with the internal diameter of sleeve 2, like this, owing to can inject the concrete direction of car needle through sleeve 2, guide the car needle through sleeve 2 and move, not only can make things convenient for the doctor to accomplish the medullary cavity entry and set up, can improve the accuracy that the medullary cavity entry was set up simultaneously.
In order to avoid sleeve 2 to take place to rotate in centre bore 6, influence the assembly precision of sleeve 2 on baffle body 1, influence the operation of medullary cavity entry, set up to: still including setting up recess and the bead between sleeve 2 and guide cylinder 3, in recess and bead both, one of them sets up on the outside lateral wall of sleeve 2, and the other sets up on the surface of centre bore 6, at the in-process of sleeve 2 embedding centre bore 6, the bead embedding in the recess utilizes the restraint of recess cell wall to the bead, receives the shear through the bead, avoids sleeve 2 to rotate in centre bore 6. In this embodiment, the protruding ridge is a key provided on any one of the above members, and the other protruding ridge is a key groove. Preferably, in order to reduce the use cost of the guide plate, the sleeve 2 and the guide cylinder 3 are detachably connected: the guide plate body 1 needs to be individually designed according to different patients, but the sleeve 2 can be used as a reusable part, the convex edges and the grooves are utilized to realize the rotation prevention and the restraint of the sleeve 2, the medullary cavity entering and opening quality can be guaranteed, and meanwhile, the detachable connection can be well realized.
For thickness or height of each part on the furthest utilization this baffle, convenient if introduce the turning needle guide cylinder 3 in, utilize first cell body 4 and 5 chip removals of second cell body, flowing back, utilization the passageway forms the circumstances of seting up of observing the upper pulp cavity approach of affected tooth, sets up to: the first groove body 4 penetrates through the upper end and the lower end of the sleeve 2; the guide cylinder 3 protrudes relative to the upper end of the guide plate body 1, and the second groove body 5 extends from the upper end of the guide cylinder 3 to the lower end of the guide plate body 1.
For making the passageway not only can exert water conservancy diversion effect and viewing aperture effect, does benefit to the bulk rigidity of this baffle simultaneously to do benefit to the marrow cavity approach and set up the precision, set up to: the guide cylinder 3 protrudes relative to the upper end of the guide plate body 1, and further comprises a tooth cavity which is positioned on the guide plate body 1 and on the lower side of the guide cylinder 3 and used for accommodating affected teeth;
in the length direction of the affected tooth, the bottom surface of the channel is a closed end, and the bottom surface is positioned between the bottom surface of the cavity and the tooth surface of the affected tooth.
In order to be beneficial to saving materials, the sleeve 2 has better deformation resistance integrally to restrict the work of a machine needle under the condition that the thickness of the sleeve is thinner, and the arrangement is as follows: the outside of the sleeve 2 is also provided with an annular rib 8 extending around the circumference of the sleeve 2. When the scheme is used specifically, the annular convex edge 8 is a reinforcing edge for reinforcing the deformation resistance of the sleeve 2.
As a sleeve 2 when restraint is like car needle, itself wearing and tearing are little, and can not cause the technical scheme of injury to the patient, set up to: the inner wall surface of the sleeve 2 is a smooth surface, and the sleeve 2 is made of titanium alloy or stainless steel. In particular applications, the inner wall surface may have a surface roughness value less than or equal to ra 1.6.
In order to make the guide cylinder 3 have a certain wear resistance to restrict the movement direction of the needle during working, the following arrangement is adopted: the guide cylinder 3 is made of metal.
For the laminating condition of conveniently observing baffle body 1 and tooth to confirm the installation accuracy of baffle body 1 in the patient oral cavity, set up to: the guide plate also comprises an observation window 7 arranged on the guide plate body 1;
the utility model discloses a tooth type tooth guide plate, including baffle body 1, guide cylinder 3, observation window 7, the downside of baffle body 1 is provided with a plurality of tooth die cavities, the tooth die cavity that the position of guide cylinder 3 corresponds matches with the tooth die cavity that suffers from tooth, the pore of observation window 7 for setting up on baffle body 1, the drill way of observation window 7 one side is crossing with the top surface of baffle body 1, and the drill way of observation window 7 opposite side is crossing with the bottom surface in tooth die cavity, and the tooth die cavity that observation window 7 corresponds is adjacent relation with the tooth die cavity that suffers from.
In this scheme, the downside of baffle body 1 be used for with tooth complex one side, corresponding, the upside of baffle body 1 is the offside of baffle body 1 downside promptly.
The foregoing is a more detailed description of the present invention in connection with specific preferred embodiments thereof, and it is not intended that the specific embodiments of the present invention be limited to these descriptions. For those skilled in the art to which the invention pertains, other embodiments that do not depart from the gist of the invention are intended to be within the scope of the invention.
Claims (10)
1. A marrow guide is opened in pulp cavity approach for incisor and cuspid, including baffle body (1), still be provided with guide cylinder (3) on baffle body (1), the center of guide cylinder (3) is provided with centre bore (6), its characterized in that, in the wall thickness direction of guide cylinder (3), still be provided with second cell body (5) that run through guide cylinder (3) lateral wall on the lateral wall of guide cylinder (3), the one side that baffle body (1) was kept away from with guide cylinder (3) to the one end of second cell body (5) is crossing.
2. The pulp cavity access opening guide for incisors and canine teeth according to claim 1, characterized in that the assembly formed by the guide body (1) and the guide cylinder (3) is a one-piece structure.
3. The pulp cavity access pulp opening guide plate for the incisors and the canine teeth as claimed in claim 1, wherein the guide cylinder (3) is made of plastic or rubber, the pulp cavity access pulp opening guide plate further comprises a sleeve (2) made of metal, a first groove body (4) penetrating through the side wall of the sleeve (2) is further arranged on the side wall of the sleeve (2) in the wall thickness direction of the sleeve (2), and one end of the first groove body (4) is intersected with one end of the sleeve (2);
the center hole (6) is used as a mounting hole for mounting the sleeve (2) on the guide plate body (1): the sleeve (2) is wholly or partially embedded into the central hole (6), and the sleeve (2) is coaxial with the central hole (6);
after the sleeve (2) is embedded into the central hole (6), the first groove body (4) is connected with the second groove body (5): the first groove body (4) and the second groove body (5) form a channel for embedding the machine needle into the sleeve (2) from the side surface of the guide plate body (1).
4. The medullary cavity access opening guide for incisors and canines according to claim 3, further comprising grooves and ridges disposed between the sleeve (2) and the guide cylinder (3), one of the grooves and ridges being disposed on the outer side wall of the sleeve (2) and the other on the surface of the central hole (6), the ridges being embedded in the grooves during the process of embedding the sleeve (2) in the central hole (6), the sleeve (2) being prevented from rotating in the central hole (6) by the constraint of the groove walls on the ridges by the shearing of the ridges.
5. The pulp cavity access opening guide for incisors and canine teeth according to claim 3, characterized in that the first slot (4) passes through the upper and lower ends of the sleeve (2); the guide cylinder (3) protrudes relative to the upper end of the guide plate body (1), and the second groove body (5) extends from the upper end of the guide cylinder (3) to the lower end of the guide plate body (1).
6. The pulp cavity access opening pulp guide for incisors and canine teeth according to claim 3, characterized in that the guide cylinder (3) protrudes with respect to the upper end of the guide body (1), and further comprises a tooth cavity on the guide body (1) and on the lower side of the guide cylinder (3), the tooth cavity being for receiving a diseased tooth;
in the length direction of the affected tooth, the bottom surface of the channel is a closed end, and the bottom surface is positioned between the bottom surface of the cavity and the tooth surface of the affected tooth.
7. Medullary cavity access opening guide for incisors and canines according to claim 3, characterized in that the outside of the sleeve (2) is further provided with an annular ridge (8) extending in circumferential direction around the sleeve (2).
8. The medullary cavity access opening guide for incisors and canine teeth according to any one of claims 3 to 7, characterized in that the inner wall surface of the sleeve (2) is smooth and the material of the sleeve (2) is titanium alloy or stainless steel.
9. The pulp cavity access opening guide for incisors and canine teeth according to claim 1, characterized in that the material of the guide cylinder (3) is metal.
10. The pulp cavity access opening guide for incisors and canine teeth according to claim 1, characterized by further comprising an observation window (7) provided on the guide body (1);
the downside of baffle body (1) is provided with a plurality of tooth die cavities, the position of guide cylinder (3) matches with the tooth die cavity that the tooth that suffers from corresponds, porthole for setting up on baffle body (1) observation window (3), the drill way of observation window (3) one side is crossing with the top surface of baffle body (1), and the drill way of observation window (3) opposite side is crossing with the bottom surface of tooth die cavity, and the tooth die cavity that observation window (3) correspond is adjacent relation with the tooth die cavity that the tooth that suffers from.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010128268.9A CN111317584B (en) | 2020-02-28 | Intramedullary canal opening guide plate for incisors and cuspids |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010128268.9A CN111317584B (en) | 2020-02-28 | Intramedullary canal opening guide plate for incisors and cuspids |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111317584A true CN111317584A (en) | 2020-06-23 |
| CN111317584B CN111317584B (en) | 2024-10-22 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111317585A (en) * | 2020-02-28 | 2020-06-23 | 四川大学 | Medullary cavity approach medullary opening guide plate |
| CN111870373A (en) * | 2020-09-08 | 2020-11-03 | 四川大学 | Maxillary sinus side wall windowing positioning and depth fixing plate, manufacturing method and positioning and depth fixing device |
| CN112057191A (en) * | 2020-10-13 | 2020-12-11 | 四川大学 | Maxillary sinus lifting side wall windowing indication guide plate and manufacturing method thereof |
| WO2022017008A1 (en) * | 2020-07-20 | 2022-01-27 | 中国科学院深圳先进技术研究院 | Root canal treatment guide plate and manufacturing method therefor |
| CN111317585B (en) * | 2020-02-28 | 2024-10-22 | 四川大学 | Marrow cavity access opening guide plate |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4384852A (en) * | 1981-01-16 | 1983-05-24 | Showa Yakuhin Kako Co., Ltd. | Dental root canal-treating appliance |
| CN105596091A (en) * | 2016-03-14 | 2016-05-25 | 四川大学 | Navigation device for root canal treatment and making method thereof |
| CN106510865A (en) * | 2016-11-11 | 2017-03-22 | 北京大学口腔医学院 | Guiding device for tooth coronal cavity preparation and making method thereof |
| CN107049527A (en) * | 2017-06-12 | 2017-08-18 | 四川大学 | Treatment guide plate for root canal and preparation method thereof |
| CN108836521A (en) * | 2018-05-03 | 2018-11-20 | 张艳玲 | A kind of tooth opens the guide device of marrow hole shape preparation |
| CN111317585A (en) * | 2020-02-28 | 2020-06-23 | 四川大学 | Medullary cavity approach medullary opening guide plate |
| CN212261566U (en) * | 2020-02-28 | 2021-01-01 | 四川大学 | Pulp cavity access pulp opening guide plate for incisors and canine teeth |
| CN116473694A (en) * | 2023-03-07 | 2023-07-25 | 上海市口腔医院(上海市口腔健康中心) | Calcified root canal positioning dredging guide plate |
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4384852A (en) * | 1981-01-16 | 1983-05-24 | Showa Yakuhin Kako Co., Ltd. | Dental root canal-treating appliance |
| CN105596091A (en) * | 2016-03-14 | 2016-05-25 | 四川大学 | Navigation device for root canal treatment and making method thereof |
| CN106510865A (en) * | 2016-11-11 | 2017-03-22 | 北京大学口腔医学院 | Guiding device for tooth coronal cavity preparation and making method thereof |
| CN107049527A (en) * | 2017-06-12 | 2017-08-18 | 四川大学 | Treatment guide plate for root canal and preparation method thereof |
| CN108836521A (en) * | 2018-05-03 | 2018-11-20 | 张艳玲 | A kind of tooth opens the guide device of marrow hole shape preparation |
| CN111317585A (en) * | 2020-02-28 | 2020-06-23 | 四川大学 | Medullary cavity approach medullary opening guide plate |
| CN212261566U (en) * | 2020-02-28 | 2021-01-01 | 四川大学 | Pulp cavity access pulp opening guide plate for incisors and canine teeth |
| CN116473694A (en) * | 2023-03-07 | 2023-07-25 | 上海市口腔医院(上海市口腔健康中心) | Calcified root canal positioning dredging guide plate |
Non-Patent Citations (2)
| Title |
|---|
| 王文铄: "锥形束CT与导板引导微创开髓精确性的体外研究", 《中华口腔医学研究杂志(电子版)》, no. 03, 1 June 2019 (2019-06-01), pages 158 - 165 * |
| 高羽轩: "数字化导板引导技术辅助微创治疗前牙钙化根管", 《华西口腔医学杂志 》, no. 01, 1 February 2022 (2022-02-01), pages 111 - 120 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111317585A (en) * | 2020-02-28 | 2020-06-23 | 四川大学 | Medullary cavity approach medullary opening guide plate |
| CN111317585B (en) * | 2020-02-28 | 2024-10-22 | 四川大学 | Marrow cavity access opening guide plate |
| WO2022017008A1 (en) * | 2020-07-20 | 2022-01-27 | 中国科学院深圳先进技术研究院 | Root canal treatment guide plate and manufacturing method therefor |
| CN111870373A (en) * | 2020-09-08 | 2020-11-03 | 四川大学 | Maxillary sinus side wall windowing positioning and depth fixing plate, manufacturing method and positioning and depth fixing device |
| CN112057191A (en) * | 2020-10-13 | 2020-12-11 | 四川大学 | Maxillary sinus lifting side wall windowing indication guide plate and manufacturing method thereof |
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