WO2005079728A1 - 象牙質再生方法 - Google Patents
象牙質再生方法 Download PDFInfo
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- WO2005079728A1 WO2005079728A1 PCT/JP2005/003408 JP2005003408W WO2005079728A1 WO 2005079728 A1 WO2005079728 A1 WO 2005079728A1 JP 2005003408 W JP2005003408 W JP 2005003408W WO 2005079728 A1 WO2005079728 A1 WO 2005079728A1
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- WIPO (PCT)
- Prior art keywords
- collagen
- dentin
- composite material
- collagenous
- phosphorylated protein
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L27/00—Materials for grafts or prostheses or for coating grafts or prostheses
- A61L27/14—Macromolecular materials
- A61L27/22—Polypeptides or derivatives thereof, e.g. degradation products
- A61L27/24—Collagen
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K6/00—Preparations for dentistry
- A61K6/80—Preparations for artificial teeth, for filling teeth or for capping teeth
- A61K6/831—Preparations for artificial teeth, for filling teeth or for capping teeth comprising non-metallic elements or compounds thereof, e.g. carbon
- A61K6/838—Phosphorus compounds, e.g. apatite
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K6/00—Preparations for dentistry
- A61K6/80—Preparations for artificial teeth, for filling teeth or for capping teeth
- A61K6/884—Preparations for artificial teeth, for filling teeth or for capping teeth comprising natural or synthetic resins
- A61K6/887—Compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- A61K6/889—Polycarboxylate cements; Glass ionomer cements
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K6/00—Preparations for dentistry
- A61K6/80—Preparations for artificial teeth, for filling teeth or for capping teeth
- A61K6/884—Preparations for artificial teeth, for filling teeth or for capping teeth comprising natural or synthetic resins
- A61K6/891—Compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L27/00—Materials for grafts or prostheses or for coating grafts or prostheses
- A61L27/14—Macromolecular materials
- A61L27/26—Mixtures of macromolecular compounds
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L27/00—Materials for grafts or prostheses or for coating grafts or prostheses
- A61L27/36—Materials for grafts or prostheses or for coating grafts or prostheses containing ingredients of undetermined constitution or reaction products thereof, e.g. transplant tissue, natural bone, extracellular matrix
- A61L27/38—Materials for grafts or prostheses or for coating grafts or prostheses containing ingredients of undetermined constitution or reaction products thereof, e.g. transplant tissue, natural bone, extracellular matrix containing added animal cells
- A61L27/3804—Materials for grafts or prostheses or for coating grafts or prostheses containing ingredients of undetermined constitution or reaction products thereof, e.g. transplant tissue, natural bone, extracellular matrix containing added animal cells characterised by specific cells or progenitors thereof, e.g. fibroblasts, connective tissue cells, kidney cells
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L27/00—Materials for grafts or prostheses or for coating grafts or prostheses
- A61L27/36—Materials for grafts or prostheses or for coating grafts or prostheses containing ingredients of undetermined constitution or reaction products thereof, e.g. transplant tissue, natural bone, extracellular matrix
- A61L27/38—Materials for grafts or prostheses or for coating grafts or prostheses containing ingredients of undetermined constitution or reaction products thereof, e.g. transplant tissue, natural bone, extracellular matrix containing added animal cells
- A61L27/3839—Materials for grafts or prostheses or for coating grafts or prostheses containing ingredients of undetermined constitution or reaction products thereof, e.g. transplant tissue, natural bone, extracellular matrix containing added animal cells characterised by the site of application in the body
- A61L27/3843—Connective tissue
- A61L27/3865—Dental/periodontal tissues
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
- C12N5/00—Undifferentiated human, animal or plant cells, e.g. cell lines; Tissues; Cultivation or maintenance thereof; Culture media therefor
- C12N5/06—Animal cells or tissues; Human cells or tissues
- C12N5/0602—Vertebrate cells
- C12N5/0652—Cells of skeletal and connective tissues; Mesenchyme
- C12N5/0654—Osteocytes, Osteoblasts, Odontocytes; Bones, Teeth
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2430/00—Materials or treatment for tissue regeneration
- A61L2430/12—Materials or treatment for tissue regeneration for dental implants or prostheses
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
- C12N2533/00—Supports or coatings for cell culture, characterised by material
- C12N2533/50—Proteins
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
- C12N2533/00—Supports or coatings for cell culture, characterised by material
- C12N2533/50—Proteins
- C12N2533/54—Collagen; Gelatin
Definitions
- the present invention relates to a method for regenerating dentin and a composite material therefor. More specifically, the present invention relates to a composite material containing a non-collagenous phosphorylated protein and collagen, and a method for regenerating dentin using the same. Background technology
- collagen type I is originally known to be the main organic component of alveolar bone and dentin, and is known to be the core of calcification. can do.
- the calcification ability of collagen type I is extremely low, and it cannot promote dentin regeneration alone. Disclosure of the invention
- An object of the present invention is to provide an inexpensive and safe dentin regeneration method and a material therefor.
- the present inventors focused on the fact that non-collagen-phosphorylated proteins such as phosphophorin, phosvitin or DMP-1 (Dentin Matrix Protein-1) have calcification ability. did. Then, it was thought that excellent dentin regeneration could be expected if the dental pulp cells were differentiated into odontoblasts using the composite material obtained by crosslinking these with collagen as a scaffold.
- non-collagen-phosphorylated proteins such as phosphophorin, phosvitin or DMP-1 (Dentin Matrix Protein-1) have calcification ability. did. Then, it was thought that excellent dentin regeneration could be expected if the dental pulp cells were differentiated into odontoblasts using the composite material obtained by crosslinking these with collagen as a scaffold.
- the present invention relates to the following (1) to (11).
- a method for regenerating dentin comprising culturing dental pulp cells using a composite material containing a non-collagenous phosphorylated protein and collagen as a scaffold.
- non-collagenous phosphorylated protein is phosphofuorin, phosphovitin, DM1, or a mixture thereof.
- the composite material is prepared by crosslinking non-collagenous phosphorylated protein and collagen using divinyl sulfone or 1-ethyl-3- (3-dimethylaminopropyl) carpoamide to form a sponge or gel.
- a dentin restoration material comprising dentin regenerated by the method according to any one of the above (1) to (8) together with the composite material.
- Non-collagenated phosphorylated protein and collagen are cross-linked using divinyl sulfone or 1-ethyl-3- (3-dimethylaminopropyl) carbodiamide, and then freeze-dried or gelled by heating.
- Dentin restoration material consisting of sponge-like or gel-like composite material.
- FIG. 1 is a photograph showing an HE-stained image one week after rat pulp capping (transplantation).
- FIG. 2 is a photograph showing an HE-stained image 2 weeks after rat pulp capping (transplantation).
- FIG. 3 is a photograph showing an HE-stained image 3 weeks after rat pulp capping (transplantation).
- the upper two stained images are the phosphorophorin-collagen complex transplant group (left: X40 right: ⁇ 100), and the lower two stained images are the collagen sponge transplant group (left: x40 right) : XlOO).
- the symbols in the photo indicate D: dentin, P: pulp, ND: new (regenerated) dentin. This description includes part or all of the contents as disclosed in the description of Japanese Patent Application No. 2004-45658, which is a priority document of the present application.
- the present invention relates to a method for regenerating dentin, which comprises culturing dental pulp cells using a composite material containing a non-collagenous phosphorylated protein and collagen as a scaffold.
- a method for regenerating dentin which comprises culturing dental pulp cells using a composite material containing a non-collagenous phosphorylated protein and collagen as a scaffold.
- non-collagenous phosphorylated protein used in the present invention is a phosphorylated protein other than collagen having a calcifying ability, and is, for example, phosphophorin, phosvitin, DMP-1 (Dent in Matrix Protein in- 1) and the like.
- Phosphorofluorin is a phosphorylated protein contained in mammalian teeth and is known to have bone forming ability alone (Bone. 1997 Oct: 21 (4): 305-11).
- Phosphoroorin can be obtained by using a commercially available product (manufactured by Wako Pure Chemical Industries, Ltd.), for example, as follows. Extract teeth of mammals (eg, dipeptides) to remove soft tissue, pulp, enamel, and cement. The remaining dentin was finely ground, decalcified using an appropriate buffer containing proteolytic enzymes (for example, 0.5 M EDTA, 0.05 M Tris-HCl, pH 7.4), and dialyzed. Later freeze-dried.
- proteolytic enzymes for example, 0.5 M EDTA, 0.05 M Tris-HCl, pH 7.4
- the obtained lyophilized product is dissolved in a buffer solution (for example, 20 mM Tris-HCl, pH 7.4 (containing protease)), and calcium chloride is added.
- the resulting precipitate is dissolved in a buffer (for example, 0.5 M EDTA, 0.05 M Tris-HCl, pH T.4 [containing protease]), dialyzed, and freeze-dried again.
- the lyophilized product is dissolved in a urea solution (eg, 4M Urea, 0.01M Tris-HCl, pH 8.0), and then separated by ion exchange chromatography (eg, DEAE-Sepharose). .
- the target phosphophorin can be identified by phosphoric acid analysis and amino acid analysis.
- Fosvitin also known as phosphovitin, phosvitin or phosphovitine, is a major component of vertebrate yolk proteins and is a phosphorylated protein contained in yolk granules.
- Chicken egg phosvitin has a molecular weight of about 100,000 and contains about 10% phosphoric acid, about half of the amino acids are serine, and most of them are phosphoserine residues. ing. It is known that phosvitin alone has an osteogenic ability, similarly to phosfoufolin (Bone. 1997 0ct; 21 (4): 305-11).
- Commercially available phosvitin (Sigma Chem. Co.) may be used, but it has been reported previously (Shainkin R, Perlmann GE., Phosvitin, ap osphoglycoprotein. Chem. 1971 Apr 10; 246 (7): 2278-84.).
- DMP-1 is a secreted, non-collagenous acid-phosphorylated protein identified from the dental dentin cDNA library and is involved in its calcification in extracellular matrices such as bone and dentin (George A. et al., J Biol Chem. 1993 Jim 15; 268 (17): 12624-30.) 0
- the DMP-1 gene is located on 4Q21 on the human chromosome and is located in the vicinity of osteobontin, MEPE, and bone shear. They form a family together with roprotein genes.
- DMP-1 is thought to be closely related to calcification because DMP-1 is negatively charged in tissues based on its amino acid sequence and binds to calcium ions.
- DMP-1 is considered to be an important molecule for bone and tooth calcification (particularly dentin formation).
- the DMP-1 used in the present invention can be produced by genetic engineering, bone, or the like according to well-known methods (George A. et al., J Biol Chem. 1993 Jun 15: 268 (17): 12624-30.). It can be prepared by extracting and purifying from dentin and tooth dentin.
- collagen type I which occupies most of the organic matter of bones and teeth and has high biocompatibility
- the collagen Eve I may be a commercially available one or may be prepared according to a known method.
- collagen is extracted and purified from a suitable material (for example, connective tissue of an animal such as skin of an animal) according to a known method.
- Purified collagen After freeze-drying, the solution can be dissolved in an acetic acid solution, added with NaCl, NaOH, Hepes, etc., and incubated to obtain reconstituted collagen type I fibers.
- the composite material according to the present invention contains a non-collagenous phosphorylated protein and collagen.
- the mixing ratio (mass ratio) of the non-collagenous phosphorylated protein and collagen is preferably 1:10 to 1:50, and more preferably 1:20 to 40.
- the non-collagenous phosphorylated protein is blended in an amount of 2 to 10% by mass relative to the total amount of the composite material (total mass) (hereinafter, “mass%” is simply referred to as “%”). More preferably, it is added to 5.0%. If the amount of the non-collagenous phosphorylated protein is too small, the calcification ability becomes insufficient, while if the amount of the non-collagenized phosphorylated protein is too large, the cost of the composite material increases.
- the non-collagenous phosphorylated protein is chemically cross-linked to the collagen fiber.
- a cross-linking agent divinyl sulfone or 1-ethyl-3- (3-dimethylaminopropyl) carbamide can be used.
- collagen fibers are dissolved in an aqueous solution of a carbonate such as potassium carbonate or sodium carbonate and incubated at room temperature.
- concentration of the aqueous carbonate solution is preferably from 0.1M to 0.2M, more preferably from 0.4M to 0.5M.
- a crosslinking agent for example, divinyl sulfone, 1-ethyl-3- (3-dimethylaminopropyl) carbopamide, or the like is added, and a crosslinked chain is previously introduced on the collagen fiber.
- the amount of the crosslinking agent to be added is preferably about 5.0% by mass in the case of divinyl sulfone.
- non-collagenous phosphorylated protein is added and incubated, and cross-linked with collagen.
- the amount of the non-collagenous phosphorylated protein to be added is preferably ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ with respect to collagen, and more preferably l / ⁇ O l ⁇ O (mass ratio).
- This is washed with distilled water and then with a solution of bicarbonate (eg, sodium bicarbonate, potassium bicarbonate, etc.) to remove excess non-collagenous phosphorylated protein and cross-linking agent.
- sodium bicarbonate and mercaptoeta Add crosslinking to stop the crosslinking reaction, and wash well with distilled water.
- the crosslinked composite material may be heated and gelled as it is to be used as a gel-like structure, or may be freeze-dried and used as a sponge-like structure.
- This gel-like or sponge-like structure provides characteristics suitable for dental pulp cell culture and filling of a tooth defect described later.
- the freeze-drying conditions eg, temperature, freezing time, freeze-drying in water, etc.
- the structure of the desired composite material ie, specific surface area, porosity, pore (void) size. It can be adjusted as appropriate depending on the size and the like.
- the obtained freeze-dried product can be molded as necessary, and can be used, for example, as a dental implant described below.
- the term "sponge-like structure” means a flexible microporous structure (a structure in which innumerable pores (voids) of several m to several lOm exist).
- the porosity is preferably from 40 to 90%, more preferably from 60 to 90%.
- the composite material having a sponge-like structure may further comprise, in addition to essential components such as non-collagen-phosphorylated protein and collagen, an eight-sided xiapatite as long as the object and effects of the present invention are not impaired.
- TCP Transmission Control Protocol
- aTCP polychololic acid
- polylactic acid or derivatives thereof for example, polymers of PLLA (poly-lactic acid) and PDLA (poly-d-lactic acid)
- It may include a porous hard material.
- the dental pulp cells By inoculating dental pulp cells using the composite material of the present invention as a scaffold and culturing them under appropriate conditions, the dental pulp cells can be effectively differentiated into odontoblasts.
- dental pulp cells dental pulp cells isolated from the patient itself can be suitably used.
- the cells can be seeded simply by seeding the composite material as a scaffold, or by mixing with a liquid such as a buffer solution, physiological saline, an injection solvent, or a collagen solution. Good. If the material does not allow the cells to smoothly enter the pores of the composite material, the cells may be seeded under reduced pressure. Fine to sow It is desirable to adjust the number of vesicles (seeding density) appropriately in order to more efficiently regenerate dentin.
- a known medium such as a MEM medium, a MEM medium, or a DMEM medium can be appropriately selected and used according to the cells. Further, the medium may be supplemented with antibiotics such as FBS (manufactured by Sigma), Antibiotic-Antimycotic (manufactured by GIBCO BRL), antibacterial agents, growth factors, transcription factors, and the like. It is particularly preferable to add bone morphogenetic protein (BMP), which is a growth factor that promotes calcification. Culture is usually 3 ⁇ 10% C0 2, 30 ⁇ 40 ° C , in particular it is carried out under conditions of 5 C0 2, 37 ° C, but is not limited thereto. The cultivation period is preferably at least 3 days or more. The cultivation period is not limited to this, and is appropriately determined according to the situation.
- BMP bone morphogenetic protein
- the dentinoblasts differentiated from the dental pulp cells in this way can be further proliferated and, together with the composite material as a scaffold, can be embedded or injected into the defect to effectively regenerate tooth dentin.
- the composite material obtained by the present invention has elasticity like a sponge when absorbing water, and has excellent biocompatibility and calcification ability. In addition, since it is easy to mold and has flexible mechanical properties, it is possible to appropriately fill small gaps such as missing teeth. That is, when the composite material of the present invention is implanted in a tooth defect, the composite material is quickly bonded to the surrounding tissue, and the interface between the donor tissue and the composite material can be completely integrated. Therefore, the composite material of the present invention itself can be used as an implant for repairing and regenerating dentin defects in teeth. When used as an implant, the composite material may be a sponge-like structure or a gel-like structure.
- the shape of the sponge and the hardness of the gel can be freely adjusted according to the defect to be filled and the operability. Further, the composite material can be used after being impregnated with other physiologically active substances or drugs. For example, if an anti-inflammatory agent is impregnated for sustained release, post-operative inflammation of the pulp defect can be effectively prevented.
- the implant for dentin restoration is obtained by seeding dental pulp cells in a composite material, differentiating and growing the dentin blast cells in vitro, and then using the composite material as a scaffold.
- the material may be implanted in the defect along with the material. If patient-derived cells are used as dental pulp cells, it becomes a more ideal implant for dentin restoration.
- a permanent tooth is extracted from the jaw bone of the stomach, and the soft tissue, pulp, enamel, and cement are removed.
- the remaining dentin is pulverized under liquid nitrogen into fine particles of 200 mesh or less.
- Dentin powder was added with 0.5M EDTA, 0.05M Tris-HCl, H 7.4 [Proteolytic enzyme: lOOmM 6-aminohexanoic acid (manufactured by Wako Pure Chemical Industries, Ltd.), 5mM benzamidine-HCl, ImM phenylmethylsul fonyl fluoride] 4. Deash in C.
- the EDTA demineralized solution is dialyzed against deionized distilled water at 4 ° C using a dialysis membrane (SPECTRUM MWC03500, 132725) and freeze-dried (Tokyo Rika Kikai: EYELA FREEZ DRYER 90500042). . Dissolve the EDTA extract in 20 mM Tris-HCl, pH 7.4 (containing protease) and add CaCl 2 to a final concentration of 1M.
- the precipitate is collected by centrifugation (HIMAC CENTRIFUGE345043, manufactured by Hitachi, Ltd.), dissolved again in 0.5 M EDTA, 0.05 M Tris-HCl, pH 7.4 (containing protease), and dialyzed against deionized distilled water And freeze-dried.
- the freeze-dried product is dissolved in 4M Urea, 0.01M Tris-HCl, pH 8.0 and eluted with a linear gradient of 0-1M NaCl on DEAE-Sepharose (manufactured by Sigma Chem. Co.) Column Chromatography.
- Reconstituted collagen type I fibers can be obtained by adding 0.6N NaOH and 0.1M Hepes (manufactured by Wako Pure Chemical Industries) followed by incubation at 37 after adding 0.15M NaCl.
- the complex obtained by the above steps was freeze-dried to prepare a collagen-phosphooruline complex (sponge-like sheet).
- a collagen-phosphooruline complex (sponge-like sheet).
- a cavity with a diameter of about 2-3 band is formed on the experimental tooth with an air turbine diamond point.
- a 2 mm steel round bar forms an exposed surface of about 1 mm.
- samples after transplantation were extracted from rats.
- the extracted sample (phosphorin-collagen complex and collagen sponge) was stained with hematoxylin-eosin (HE stain) and histologically observed with an optical microscope.
- the dentin regeneration effect was evaluated by measuring dentin morphology.
- the dentin regeneration method and the material for dentin restoration of the present invention are inexpensive and safe, It can be used as a conservative treatment in general dental care, not limited to expensive medical care.
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Abstract
Description
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Priority Applications (1)
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JP2006510339A JPWO2005079728A1 (ja) | 2004-02-23 | 2005-02-23 | 象牙質再生方法 |
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JP2004-045658 | 2004-02-23 | ||
JP2004045658 | 2004-02-23 |
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WO2005079728A1 true WO2005079728A1 (ja) | 2005-09-01 |
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PCT/JP2005/003408 WO2005079728A1 (ja) | 2004-02-23 | 2005-02-23 | 象牙質再生方法 |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009247459A (ja) * | 2008-04-02 | 2009-10-29 | Kuraray Medical Inc | 複合生体材料 |
JP2014004327A (ja) * | 2012-05-31 | 2014-01-16 | Yoshinori Kuboki | チタン−タンパク質複合体、生体インプラントおよび細胞培養基材 |
CN107674111A (zh) * | 2017-11-02 | 2018-02-09 | 南京医科大学附属口腔医院 | 一种牙本质非胶原蛋白的程序化制备方法 |
JP2021027803A (ja) * | 2019-08-09 | 2021-02-25 | 国立研究開発法人国立長寿医療研究センター | 象牙質再生用細胞培養物 |
Citations (2)
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JPS62224357A (ja) * | 1985-12-20 | 1987-10-02 | ミネソタ マイニング アンド マニュファクチャリング カンパニ− | 骨修復のための組成物および方法 |
JP2003070290A (ja) * | 2001-08-28 | 2003-03-07 | Matsushita Electric Works Ltd | 直流モータ速度制御装置 |
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2005
- 2005-02-23 JP JP2006510339A patent/JPWO2005079728A1/ja active Pending
- 2005-02-23 WO PCT/JP2005/003408 patent/WO2005079728A1/ja active Application Filing
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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JPS62224357A (ja) * | 1985-12-20 | 1987-10-02 | ミネソタ マイニング アンド マニュファクチャリング カンパニ− | 骨修復のための組成物および方法 |
JP2003070290A (ja) * | 2001-08-28 | 2003-03-07 | Matsushita Electric Works Ltd | 直流モータ速度制御装置 |
Non-Patent Citations (3)
Title |
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JP2014004327A (ja) * | 2012-05-31 | 2014-01-16 | Yoshinori Kuboki | チタン−タンパク質複合体、生体インプラントおよび細胞培養基材 |
CN107674111A (zh) * | 2017-11-02 | 2018-02-09 | 南京医科大学附属口腔医院 | 一种牙本质非胶原蛋白的程序化制备方法 |
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