WO2009116650A1 - Système d'obturation de canal radiculaire utilisant un fibroscope - Google Patents

Système d'obturation de canal radiculaire utilisant un fibroscope Download PDF

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Publication number
WO2009116650A1
WO2009116650A1 PCT/JP2009/055535 JP2009055535W WO2009116650A1 WO 2009116650 A1 WO2009116650 A1 WO 2009116650A1 JP 2009055535 W JP2009055535 W JP 2009055535W WO 2009116650 A1 WO2009116650 A1 WO 2009116650A1
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WIPO (PCT)
Prior art keywords
root canal
fiber
multifunctional
root
resin
Prior art date
Application number
PCT/JP2009/055535
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English (en)
Japanese (ja)
Inventor
淳 高橋
Original Assignee
Takahashi Atsushi
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Takahashi Atsushi filed Critical Takahashi Atsushi
Priority to JP2009513503A priority Critical patent/JPWO2009116650A1/ja
Publication of WO2009116650A1 publication Critical patent/WO2009116650A1/fr

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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
    • A61C19/04—Measuring instruments specially adapted for dentistry
    • A61C19/041—Measuring instruments specially adapted for dentistry for measuring the length of the root canal of a tooth
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/24—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor for the mouth, i.e. stomatoscopes, e.g. with tongue depressors; Instruments for opening or keeping open the mouth
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C19/00—Dental auxiliary appliances
    • A61C19/003—Apparatus for curing resins by radiation
    • A61C19/004—Hand-held apparatus, e.g. guns
    • 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
    • A61C5/50—Implements for filling root canals; Methods or instruments for medication of tooth nerve channels
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/00163—Optical arrangements
    • A61B1/00165—Optical arrangements with light-conductive means, e.g. fibre optics

Definitions

  • the present invention relates to dental root canal treatment.
  • the finger sensation with the average root canal length as a reference value is poor in scientific basis that relies on the operator's personal experience and sense.
  • This is a measurement method, and it is a very primitive method using bleeding from the root canal or pain.
  • the correct value is generally obtained under wet conditions, especially in the case where infected pulp, waste, etc. remain before the root canal cleaning is completed. It is difficult to ask.
  • the apex on the two-dimensional film may be the actual root apex depending on the anatomical shape of the root canal. Since the probability of matching with the position of the apex remains at about 30% or less, it is difficult to perform accurate measurement.
  • the first problem in the present invention is that it can be measured even under wet conditions, or even in a situation where infected pulp, wastes, etc. remain, visually confirming the apical hole that is an invisible region, The precise measurement of root canal length.
  • the second problem is that the root canal filling depth can be adjusted without protruding or forming a dead sky from the apex while the amount of root canal enlargement is minimal. It is intended to provide a root canal treatment system that can be controlled freely.
  • the present invention prevents accidents by making each treatment step of root canal treatment that has been relied on skilled techniques because it is a treatment for the invisible region so far, thereby preventing accidents and improving the results of treatment.
  • the first aspect of the present invention is designed to provide a safe and highly predictable root canal treatment system while avoiding radiation exposure of a patient.
  • the direction of the tip can be freely changed by moving or rotating the fiber in the root canal by operating the controller of the multipurpose fiber at hand or the intraoral holding device, so that the diameter of the apical canal from the root canal opening is about 0.1
  • the fiber tip entrance part protrudes from a hole of about 0.2 mm, and it is possible to observe the tissue around the apical foramen without destroying the apical hole that is the most narrowed part. Using this observation function in the root canal, after root canal cleaning is completed, if the root canal is filled with a photo-curing resin, it is adjusted to a color tone or fluorescent color that can be visually recognized on the inner wall of the root canal according to each step of root canal filling.
  • the application state is confirmed with a fiberscope of a multifunctional fiber, and then the filling state when a highly transparent light-curing resin root canal filling material is poured, or death due to entrainment of bubbles It is possible to visually confirm the presence or absence of a cavity.
  • light source illumination with a wavelength different from the polymerization wavelength of each material is adopted so that the photocuring resin dentin adhesive and the photocuring resin root canal filling material do not polymerize at the confirmation operation stage.
  • coating and filling of photocuring resin root canal filling material can also be performed using the applicator tube of another path
  • the fiber After visually confirming that the photo-curing resin root canal filling material is tightly filled in this way, the light is propagated and diffused from the light source with the optical fiber of another path (channel) arranged in parallel to the fiber, and the fiber By making the entire circumference emit light, the photocurable resin dentin adhesive and the photocurable resin root canal filling material are photopolymerized, and the root apex is closed by chemical bonding, thereby completing the root canal filling. After filling the root canal, the fiber can be slept into the root canal, or can be pulled out of the photocured resin root canal filling material by applying a separating material to the fiber.
  • the root canal treatment system using the fiber scope of the multifunctional fiber allows the operation of each of the root canal treatments, which are invisible areas, to be confirmed with clear vision, so that the treatment is highly predictable. Things will be possible.
  • the ultrasonic endoscope of the second invention is an endoscope in which an ultrasonic (echo) device is literally attached to the tip of the fiber, and is inserted into the root canal to ultrasonically inspect the root canal and the tooth supporting tissue. It is. Unlike echography from the external surface of the root of the root, the dental root canal status can be observed without being obstructed by the hard tissue, and the drug solution, infected pulp, and waste products remain in the root canal. Even so, it is possible to perform high-resolution ultrasonic observations with a relatively high frequency ultrasonic wave of 5 to 30 MHz from the vicinity of the observation purpose, without interfering with capturing the echo and creating an image. It is.
  • the first invention is a thing that ensures vision with a fiber scope of a multifunctional fiber, so if infected dental pulp, waste, etc. remain in the root canal, it becomes a visual obstacle and it is difficult to secure a visual field.
  • Ultrasonic waves are suitable for measuring the initial working length because they display an image by echoes of tissue.
  • the insertion depth when inserted into the multifunctional fiber root canal of the first and second inventions, the insertion depth is finely adjusted by manual pressure in the oral cavity where space is limited, and the working length is further determined. It is difficult to maintain and fix multifunctional fibers.
  • the multifunctional fiber in which the tooth to be treated in the oral cavity or the tooth in the same dentition is inserted directly into the root canal indirectly and directly into the root canal is maintained, and the insertion amount thereof
  • the insertion depth can be finely adjusted according to the adjustment pitch.
  • a shape memory resin having appropriate elasticity and flexibility that changes its shape due to temperature changes, etc. It is preferable to use it.
  • the goal of root canal treatment is to allow various root canal filling materials to reach the apex, press the root canal filling material inserted into the root canal from the horizontal or vertical direction, close the apical hole and close it tightly.
  • the purpose is to block traffic inside and inside the teeth.
  • This expansion amount enlarges the anatomical root canal shape of natural teeth from 3 times to 14 times, and is not preferable in terms of functional anatomy considering the burden of occlusal pressure after restoration.
  • the root apex is closed by the photopolymerization resin without pressurizing, and therefore a multifunctional fiber having moderate elasticity is necessary even for a bent root canal. It is possible to insert the root apex with a minimum amount of root canal expansion and complete the root canal filling.
  • the shape of a root canal that can be inserted into a general metal dental root canal enlargement device it is a flexible and waisty multifunctional fiber that can reach the apex in the same way as a metal file.
  • the fourth invention uses the surface of the multifunctional fiber.
  • Light curing resin dentin adhesive and light curing resin root canal filling material discharged from the mouth and remaining in the root canal can be reduced as much as possible, minimizing microleakage due to polymerization shrinkage of the resin. High predictability with minimal root canal expansion while remaining It is possible to perform root canal filling.
  • the fourth invention there is a concern that the photocurable resin root canal filler leaks out from the apex due to the thickness of the root canal and the viscosity of the photocurable resin root canal filler.
  • the fifth invention is compared with the diameter of the multifunctional fiber at the tip of the multifunctional fiber in order to prevent the photocurable resin root canal filler from leaking out of the root canal.
  • a multi-functional fiber in which a stopper shape having a larger outer shape and an applicator tube (tube) discharge port installed in the multi-function fiber on the root canal opening side closest to the stopper shape is installed.
  • abutment construction is a treatment range of root canal treatment. Therefore, in the sixth invention, carbon fiber, glass fiber, resin fiber or metal mesh tube that does not impair the elasticity and flexibility of the multifunctional fiber is used.
  • the root canal filling may be completed by propagating and diffusing, photo-polymerizing the photo-curing resin dentin adhesive and the photo-curing resin root canal filling material by blocking the root of the root by chemical bonding.
  • the state of the root canal between the root canal opening and the apical canal is clarified by the distal end visual field image scope function or the ultrasonic device. Since it can be visually confirmed, it is possible to accurately measure the root canal length by visually confirming the arrival of the apex of the multipurpose fiber. Sequentially, in each step, it is possible to visually check the status of the root canal after cleaning the root canal, the application status of the photocurable resin dentin adhesive root canal, and the filling status of the photocurable resin root canal filling material. Unlike blind techniques for invisible areas up to, it is possible to perform root canal treatment with extremely high certainty.
  • a photocurable resin root canal filling material that remains in the root canal by adapting the rough shape of the insertion portion in the multi-function fiber root canal to the tapered shape of the root canal enlargement of the rotating cutting tool standard and providing an overflow groove Since the amount is minimal, the apical canal can be tightly closed with minimal root canal expansion while minimizing microleakage due to polymerization shrinkage of the resin.
  • the stopper shape with a larger outer shape at the tip of the multifunctional fiber compared to the diameter of the multifunctional fiber, and installing it in the multifunctional fiber on the root canal side closest to the stopper shape, Since the root canal is physically closed by the stopper shape, it is possible to prevent the light-curing resin root canal filling material discharged from the applicator tube (tube) from leaking out from the apical root canal.
  • Multifunctional fiber is covered with a metal mesh tube, and after filling the root canal or in the mesh tube fiber together with the photopolymerization resin for core construction that fills the root canal and the substantial defect part when the abutment is built when filling the root canal.
  • the impregnated photopolymerization resin for core construction can be polymerized by emitting light from the multifunctional fiber, so that the light-emitting fiber can be made into a fiber reinforced plastic post. Can be improved.
  • Holding device part mechanism sectional view and tooth sectional view showing the situation of observing the inside of the root canal using the multifunctional fiber of the present invention A cross-sectional view of a tooth showing a situation where a photocuring resin dentin adhesive is applied at a paper point through a holding device mechanism Holding device part mechanism sectional view and tooth sectional view showing the situation of observing the application state of the photo-curing resin dentin adhesive using the lifting mechanism of the multifunctional fiber of the present invention
  • Sectional view and tooth cross-sectional view of holding device part mechanism showing state of observing filling state of photo-curing resin root canal filling material using raising / lowering turning mechanism of multifunctional fiber of the present invention Using the multifunctional fiber of the present invention, the photocurable resin root canal filling material and the photocurable resin dentin adhesive are polymerized, and after closing the root canal, the multifunctional fiber is cut to complete the root canal fill
  • Tooth sectional view Schematic diagram showing the implementation status of mandibular first molar root canal treatment using the multifunctional fiber of the present invention
  • the apical hole is closed by the apical stopper attached to the tip of the multipurpose fiber, and the photo-curing resin is discharged from the apical portion without dead space from the discharge port connected to the applicator tube provided in the apical stopper.
  • Multipurpose fiber 2. Lifting screw 3. Intraoral holding device 4. Lifting dial 5. Friction trap 6. Arm 7. Enamel 8. Cement. 9. Dentin 10. Curved part 11. Swivel roller 12. Paper point. 13. Master point depth scale 14, root apex 15, photopolymerization resin dentin adhesive 16, photopolymerization resin root canal filling material 17, holding device clamp 18, controller (imaging device and light source) 19, swivel dial 20, skull 21, mandibular molar (root canal treatment tooth) 22, mandible 23, maxilla 24, leak groove 25, root canal reamer 26, root canal 27, mesh tube 28, apical stopper 29, discharge port 30, applicator tube 31, light emitting unit 32, scope fiber
  • the same reference numerals as those in the figure denote the same parts, and the configuration of the multipurpose fiber of the present invention is basically the same.
  • the feature of the illustrated example is that the root canal length can be accurately measured as shown in FIG. 1 by enabling each step of root canal treatment to be performed under clear vision.
  • FIG. 8 it is possible to confirm the application state of the photopolymerizable dentin adhesive, and to confirm the filling state of the photopolymerized resin root canal filling material as shown in FIG.
  • the amount of the filling resin is reduced as much as possible by providing a leakage groove on the surface of the light diffusion fiber replaced with the fiber or the multipurpose fiber.
  • the treatment procedure will be described according to the illustrated example.
  • the source of infection exceeds the protective immunity against epithelial barrier infection and the invasion source breaks through this barrier and bacteria enter the living body
  • the acquired immunity corresponding to the infectious source that broke through the natural immunity or innate immunity is the antibody or complement.
  • humoral immunity by blood proteins such as the body
  • it is carried by cellular immunity by cells such as lymphocytes. Therefore, it is impossible to exert immunity against healthy tissue from which infected or necrotic pulp has been removed, and bacteria in the root canal and dentin without blood circulation.
  • the concept of dental root canal treatment is to clean and remove the infected pulp in the infected root canal caused by bacterial infection of the dental pulp in the root canal, and to remove the hollow root canal from the root canal in the cementitious coating area.
  • the apical canal which is a stenotic traffic site
  • the outside of the body (inside the root canal and oral cavity) and the inside of the body (in vivo) are separated at the root canal and renewed like epithelial barrier infection defense immunity in the body. It protects the living body by creating and maintaining a barrier by mechanically blocking infection.
  • the root canal treatment in the invisible region is performed under a bright field.
  • the multipurpose fiber 1 having a scope function for projecting the field of view of the distal end is provided in the oral cavity holding device 2.
  • the multipurpose fiber 1 is integrally moved when the elevating dial 4 is rotated, and the elevating screw 2 moves up and down (E direction), and the multipurpose fiber 1 having appropriate elasticity and flexibility is rooted. Insertion can be produced in the root canal along the tube wall.
  • the swivel dial 19 of the controller 18 is operated as shown in FIG.
  • the multipurpose fiber 1 rotates together with the freely rotating roller 11 in the lifting screw 2, so that it can turn like E ⁇ in the root canal to freely change the tip field of view.
  • the oral cavity holding device 3 is directly fixed to the tooth by the holding device clamp 17 through the arm 7 and used as a reference point during a series of treatment actions. It becomes possible to give sex.
  • the lifting dial 4 is loosened, the lifting screw 2 integrated with the multipurpose fiber 1 is removed, and soft tissue such as infected pulp in the root canal is cleaned and removed with a minimum amount of root canal enlargement.
  • the photopolymerization dentin adhesive 15 is applied to the root canal using the paper point 5.
  • the photopolymerization dentin adhesive 15 is applied to the root canal again, and the multipurpose fiber 1 is returned to the root canal again and observed up to the apex.
  • the multi-purpose fiber 1 is positioned in the immediate vicinity of the apical canal according to the acquired root canal length, and the photopolymerization root canal filling material 16 is generated from the tip of the fiber so that no bubbles are generated.
  • the multi-purpose fiber 1 After confirming whether the root canal is tightly filled without formation of dead space due to, the multi-purpose fiber 1 emits light, and the photopolymerization dentin adhesive 15 and the photopolymerization root canal filling material 16 are polymerized. The root canal is occluded. When a material having dentin adhesive force is used for the photopolymerization root canal filling material 16, the application of the photopolymerization dentin adhesive 15 and the photopolymerization root canal filling material 16 filling step are used separately. There is no need. After the root canal filling is completed in this way, the multipurpose fiber is cut at the root canal opening 26, and as shown in FIG. 6, the minimum root canal enlargement based on the accurate root canal length measurement is performed.
  • a highly predictable root canal filling state in which the photopolymerization root canal filling material 16 is bonded to the dentin in the root canal from the root canal opening 26 to the apical hole 14 without pressure by the photopolymerization dentin adhesive 15. It becomes possible to acquire.
  • the root canal filling system of the present invention falls within the category of the single point technique when the multipurpose fiber is replaced with the conventional master point, but the root canal has an anatomically thick shape like the anterior teeth.
  • the volume of the photopolymerized resin root canal filling material is naturally large.
  • the volume of the polymerization resin be as small as possible. Therefore, for a relatively thick root canal, as shown in FIG. 8, a taper-shaped root canal reamer 25 having a tapered shape similar to a standardized taper shape of the insertion portion of the multifunctional fiber 1 is used.
  • the root canal thus formed is provided on the surface of the multi-function fiber. Since the overflow groove of the photocuring resin dentin adhesive and the photocuring resin root canal filling material 16 is provided along the overflow groove 24, the surplus photocuring resin dentin adhesive and the photocuring resin root canal filling material are not rooted. It becomes possible to reduce as much as possible the photocurable resin dentin adhesive and the photocurable resin root canal filling material that are discharged from the tube port and remain in the root canal.
  • the apical stopper 28 is attached to the tip of the multipurpose fiber 1 as shown in FIG. In this state, if the polymer resin dentin adhesive 15 is discharged from the discharge port 29 by using the applicator tube 30 with the apical hole as shown in b2, the apical portion in the direction of the root canal as shown in b4.
  • the photopolymerization resin root canal filling material fills the foundation without dying. At this time, if arranged around the multipurpose fiber of the mesh tube 27 as shown in b3, the mesh tube 27 impregnated with the photopolymerization resin is also photocured at the same time. You can complete the build-up procedure.
  • the dental root canal treatment system to which the light diffusing resin fiber, the light curable resin, and the light curable resin dentin adhesive according to the present invention are applied is not limited to the above-mentioned illustrated example, but the multipurpose fiber 1 or the overflow groove
  • the shape and number of 24 is changed according to the tooth type and the anatomical form of the root canal, and an imaging device, a light source, an intraoral holding device, a turning device, It goes without saying that various modifications can be made to the mechanical structure of the lifting device without departing from the scope of the present invention.
  • this extremely thin multi-function fiber fiber scrub can be inserted into the periodontal pocket in the oral cavity to observe the root surface and insert into the fistula.
  • This extremely thin multi-function fiber fiber scrub can be applied to observation and diagnosis of an inflammatory state of a tissue.
  • All of these diagnostic elements are not things that require complete image information, and it is also assumed that monochrome image or simple image information such as brightness and color tone will contribute to simplification of diagnostic elements. It is a thing. However, the following uses can be considered as applications in the general medical field besides the dental field. In the past, when making a tissue diagnosis, in order to minimize damage to the affected area, the lesion was punctured with a thin needle and the contents were aspirated and collected for clinical examination.
  • a definitive diagnosis can be performed in a short time by inserting the very thin multifunctional fiber of the present invention into an affected lesion and transmitting an enlarged image to a histopathology laboratory.
  • a very thin multi-functional fiber of about 0, 1 mm is used, even in the clinical practice of cardiac catheter surgery, an examination that has been performed by a fictitious doctor using a two-dimensional contrast monitor until now, Since surgery can be inserted with direct visualization of the inside of the blood vessel, shortening of the operation time contributes to improvement in reliability and safety.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Dentistry (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
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  • Biomedical Technology (AREA)
  • Engineering & Computer Science (AREA)
  • Biophysics (AREA)
  • Surgery (AREA)
  • Physics & Mathematics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Optics & Photonics (AREA)
  • Pathology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)

Abstract

L'invention concerne un système de traitement de canal radiculaire dans lequel une longueur de canal radiculaire peut être mesurée sans être affectée par la situation d'un canal radiculaire au moment de son traitement, par exécution de chaque étape du traitement de canal radiculaire de manière visuelle. La présente invention permet également de réaliser une obturation de canal radiculaire sans formation d'espace mort jusqu'à la pointe d'une racine même avec une dilatation de canal radiculaire minimale. Le système de traitement de canal radiculaire fait appel à une fibre multifonction, une longueur de canal radiculaire étant mesurée par confirmation de la position d'un foremen apical à l'aide d'une fonction d'image scope de vue de pointe d'une fibre multifonction introduite dans le canal radiculaire ou d'un dispositif ultrasonore, la fibre multifonction étant dotée d'une rainure d'absorption de variations de matière d'obturation de canal radiculaire de type résine photosensible et la forme au niveau d'une partie introduite dans le canal radiculaire étant adaptée à la forme effilée d'une expansion de canal radiculaire standard d'un outil de coupe rotatif, et l'obturation de canal radiculaire étant réalisée par polymérisation d'une quantité minimale de matière d'obturation de canal radiculaire de type résine photosensible restant dans le canal radiculaire au moyen d'une fonction de propagation de lumière.
PCT/JP2009/055535 2008-03-19 2009-03-19 Système d'obturation de canal radiculaire utilisant un fibroscope WO2009116650A1 (fr)

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JP2009513503A JPWO2009116650A1 (ja) 2008-03-19 2009-03-19 ファイバースコープを利用した根管充填システム

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JP2008072530 2008-03-19
JP2008-072530 2008-03-19

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011135973A (ja) * 2009-12-28 2011-07-14 Morita Mfg Co Ltd 光照射用チップ、光照射用ヘッド及び光照射器
WO2011101447A3 (fr) * 2010-02-18 2011-11-03 Materialise Dental Nv Endodontie numérique 3d
JP2013179977A (ja) * 2012-02-29 2013-09-12 Atsushi Takahashi 根管治療器具
RU2605515C2 (ru) * 2011-09-05 2016-12-20 Дентсплай Имплантс НВ Способ трехмерного проектирования лечения корневого канала зуба, устройство трехмерного проектирования лечения корневого канала зуба и компьютер
JP2016214642A (ja) * 2015-05-22 2016-12-22 長田電機工業株式会社 歯科用内視鏡保持装置
CN114288041A (zh) * 2021-12-20 2022-04-08 四川大学 一种根管屏障术用个性化充填器及其制造方法和应用

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US3919774A (en) * 1973-08-28 1975-11-18 Mark J Fishman Combination endodontic apical sealer and crown post
JPS57200136A (en) * 1981-06-01 1982-12-08 Stanford Res Inst Int Endoscopic method and apparatus including ultrasonic b scanning image treatment
JPS6316001U (fr) * 1986-07-17 1988-02-02
JPS63182706U (fr) * 1987-05-15 1988-11-25
US5074792A (en) * 1989-03-02 1991-12-24 Georges Bernadat Prosthesis for devitalized tooth
JPH11500934A (ja) * 1995-03-01 1999-01-26 レノード，マーク ストレス抵抗力の方向性分布をもつ歯の支柱
JP2003144458A (ja) * 2001-11-19 2003-05-20 Atsushi Takahashi 光拡散樹脂ファイバーと光硬化樹脂および光硬化樹脂象牙質接着剤を応用した歯科根管充填システム
JP2003525072A (ja) * 1999-06-04 2003-08-26 デンフォテックス・リミテッド 歯根管を充填する方法及び装置
JP2007111226A (ja) * 2005-10-20 2007-05-10 Yoshida Dental Mfg Co Ltd 歯牙診断検査装置

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3919774A (en) * 1973-08-28 1975-11-18 Mark J Fishman Combination endodontic apical sealer and crown post
JPS57200136A (en) * 1981-06-01 1982-12-08 Stanford Res Inst Int Endoscopic method and apparatus including ultrasonic b scanning image treatment
JPS6316001U (fr) * 1986-07-17 1988-02-02
JPS63182706U (fr) * 1987-05-15 1988-11-25
US5074792A (en) * 1989-03-02 1991-12-24 Georges Bernadat Prosthesis for devitalized tooth
JPH11500934A (ja) * 1995-03-01 1999-01-26 レノード，マーク ストレス抵抗力の方向性分布をもつ歯の支柱
JP2003525072A (ja) * 1999-06-04 2003-08-26 デンフォテックス・リミテッド 歯根管を充填する方法及び装置
JP2003144458A (ja) * 2001-11-19 2003-05-20 Atsushi Takahashi 光拡散樹脂ファイバーと光硬化樹脂および光硬化樹脂象牙質接着剤を応用した歯科根管充填システム
JP2007111226A (ja) * 2005-10-20 2007-05-10 Yoshida Dental Mfg Co Ltd 歯牙診断検査装置

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011135973A (ja) * 2009-12-28 2011-07-14 Morita Mfg Co Ltd 光照射用チップ、光照射用ヘッド及び光照射器
WO2011101447A3 (fr) * 2010-02-18 2011-11-03 Materialise Dental Nv Endodontie numérique 3d
RU2605515C2 (ru) * 2011-09-05 2016-12-20 Дентсплай Имплантс НВ Способ трехмерного проектирования лечения корневого канала зуба, устройство трехмерного проектирования лечения корневого канала зуба и компьютер
JP2013179977A (ja) * 2012-02-29 2013-09-12 Atsushi Takahashi 根管治療器具
JP2016214642A (ja) * 2015-05-22 2016-12-22 長田電機工業株式会社 歯科用内視鏡保持装置
CN114288041A (zh) * 2021-12-20 2022-04-08 四川大学 一种根管屏障术用个性化充填器及其制造方法和应用
CN114288041B (zh) * 2021-12-20 2023-02-03 四川大学 一种根管屏障术用个性化充填器及其制造方法和应用

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