WO2006121080A1 - 球状樹脂粒子を含有する歯科用研磨材 - Google Patents
球状樹脂粒子を含有する歯科用研磨材 Download PDFInfo
- Publication number
- WO2006121080A1 WO2006121080A1 PCT/JP2006/309404 JP2006309404W WO2006121080A1 WO 2006121080 A1 WO2006121080 A1 WO 2006121080A1 JP 2006309404 W JP2006309404 W JP 2006309404W WO 2006121080 A1 WO2006121080 A1 WO 2006121080A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- abrasive
- polishing
- dental
- resin particles
- particles
- Prior art date
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C3/00—Dental tools or instruments
- A61C3/06—Tooth grinding or polishing discs; Holders therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D3/00—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents
- B24D3/02—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent
- B24D3/20—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent and being essentially organic
- B24D3/28—Resins or natural or synthetic macromolecular compounds
- B24D3/32—Resins or natural or synthetic macromolecular compounds for porous or cellular structure
Definitions
- the present invention relates to a dental restoration such as a composite resin porcelain and an abrasive capable of effectively and inexpensively and efficiently polishing a tooth. More specifically, the present invention relates to a technique for reducing the amount of expensive diamond abrasive used in an abrasive.
- dental composite resins are composed of a glass filler with a high hardness and a resin strength with a low hardness. Multiple materials with different compositional powers are very difficult to gloss at the final polishing stage.
- Japanese Patent Application Laid-Open No. 11-277453 discloses a dental abrasive material having a buffing material force in which cerium particles are fixed to an abrasive part. This method is excellent in the familiarity, elasticity, and flexibility of the polished part, but its application is limited to dental porcelain, and it cannot be applied to the object to be polished.
- polishing methods involve polishing with an elastomer-based polishing material after adjusting the shape and occlusion with the abrasive of a vitrified type electrodeposited diamond.
- Japanese Patent Laid-Open No. 2005-22033 discloses a technique for forming a recess or a hole in a polishing part to suppress friction during polishing and improving the polishing property. It is common and it is necessary to use diamond for the barrel when polishing a hard material.
- Japanese Patent Laid-Open No. 2001-9736 discloses a porous abrasive in which bubbles are formed in the polishing part and has appropriate flexibility and wear resistance.
- the constituents of the polishing part used are generally Therefore, when polishing a hard material, it is necessary to use diamond as the abrasive.
- Japanese Unexamined Patent Application Publication No. 2002-86361 discloses an abrasive in which an inorganic fiber is blended in an elastomer. Addition of inorganic fiber improves polishing and reduces the amount of abrasive grains used. It is not very effective because it damages the surface when used in a dental composite resin.
- Patent Document 1 Japanese Patent Application Laid-Open No. 11 277453
- Patent Document 2 JP-A-6-22983
- Patent Document 3 Japanese Patent Laid-Open No. 2005-22033
- Patent Document 4 Japanese Patent Laid-Open No. 2001-9736
- Patent Document 5 Japanese Patent Laid-Open No. 2002-86361
- An object of the present invention is to provide a dental rotary abrasive which is excellent in abrasiveness of dental composite resin, porcelain and teeth, and can be easily polished in a short time.
- the present invention provides an abrasive capable of gloss polishing a hard-to-be-polished body of a dental restoration with high aesthetics while reducing the amount of expensive diamond abrasive grains.
- the present invention is a dental abrasive having a polishing part in which abrasive grains are blended with an elastomer-based noinder, wherein the polishing part further contains spherical resin particles. It is a medical abrasive.
- the configuration of the abrasive of the present invention comprises a polishing part and a shaft part or a shaft attaching / detaching part for attaching to a dental handpiece.
- the abrasive material 1 of the present invention comprises a polishing part 10 and a standard shaft part 20 used in a dental abrasive material, or a dental part as shown in FIG.
- a snap-on type having a shaft attaching / detaching portion 30 that can be attached to and detached from the shaft portion 20.
- the abrasive polishing portion 10 of the present invention is produced by molding a raw material obtained by uniformly kneading abrasive barrels 12 and spherical resin particles 13 into an elastomer-based binder 11 by a known method.
- the shape of the polishing portion 10 is not particularly limited, and examples thereof include a disk shape, a shell shape, a disk shape, and a cup shape suitable for the shape of the tooth surface.
- the elastomer-based binder 11 used in the dental abrasive 1 of the present invention has a rubber hardness of 30 to
- the elastomeric binder may be a synthetic rubber such as silicone rubber having elasticity, urethane rubber, black plain rubber, -tolyl rubber, butadiene rubber, butyl rubber, styrene-butadiene rubber, ethylene-propylene rubber, or fluororubber. It may be at least one of rubber and natural rubber, and preferably silicone rubber or urethane rubber is used.
- the abrasive cannon 12 used for the dental abrasive 1 of the present invention is at least one abrasive particle having a Mohs hardness of 9 or more.
- the abrasive cannonball includes diamond, boron nitride, aluminum oxide, carbon Cyanide is used, preferably diamond or boron nitride.
- the spherical resin particles 13 used in the dental abrasive material 1 of the present invention are spherical particles produced by suspension polymerization or emulsion polymerization, which are not the irregular particles produced by pulverizing the resin fat mass. It is characterized by being a shaped particle.
- At least one kind of acrylic, styrene, nylon, polyethylene, phenol, melamine, and urethane is used as the spherical resin particles.
- the polishing part 10 of the obtained dental abrasive 1 of the present invention is It is characterized by being porous.
- the foaming agents include organic or inorganic dinitrosopentamethylenetetramine (DPT), azodi-powered norebonamide (ADCA), 4,4 '1-year-old xylbisbenzenesulphonylhydrazide (OBSH), hydrogen carbonate. At least one of sodium is used.
- DPT organic or inorganic dinitrosopentamethylenetetramine
- ADCA azodi-powered norebonamide
- OBSH 4,4 '1-year-old xylbisbenzenesulphonylhydrazide
- hydrogen carbonate At least one of sodium is used.
- a dental abrasive that can easily polish dental materials such as a dental composite resin, and can reduce costs by reducing expensive abrasive particles. Can provide.
- FIG. 1 is a schematic view of a specific example (a shell type) of an abrasive according to the present invention.
- FIG. 2 is a schematic diagram of a cross section of a polishing portion according to a first embodiment of the present invention.
- FIG. 3 is a schematic cross-sectional view of a polishing portion according to a second embodiment of the present invention.
- the polishing part 10 constituting the polishing material 1 of the present invention comprises an abrasive substance obtained by mixing and kneading abrasive abrasive grains i 2 such as diamond and spherical resin particles 13 in an elastomer-based binder 11. It is formed into a desired polished part shape by a known method such as heat processing such as a hot press.
- the above elastomer-based binder 11 is used in combination with abrasive particles 12 having an average particle size of 0.05 to 20 m and spherical resin particles 13 having an average particle size of 0.5 to 100 ⁇ m! /, Can.
- the polishing part of the first embodiment of the present invention is made using an abrasive substance in which an elastomer-based binder is mixed with abrasive barrels and extremely large spherical resin particles compared to abrasive grains. Made.
- the polishing part of this embodiment in particular, with respect to 100 parts by weight of the binder, 50 to 200 parts by weight of abrasive particles having a particle diameter of 1 to 6 ⁇ m and 50 to 150 parts by weight of particles of 10 to 100 ⁇ m
- the spherical coagulant particles are blended, and are characterized in that.
- the polishing part of the second embodiment of the present invention uses an abrasive substance in which an elastomer-based binder is blended with abrasive barrels and very small spherical resin particles compared to abrasive grains. Produced.
- An abrasive having an average particle size of 10 to 20 ⁇ m has an average particle size smaller than that of the abrasive particles 0.5 to LO:
- This product has excellent polishing properties by combining one or more kinds of LO / z m resin particles.
- the polishing part of this embodiment in particular, with respect to 100 parts by weight of the binder, 50 to 200 parts by weight of abrasive barrels having a particle diameter of 10 to 20 ⁇ m and 50 to 150 parts by weight of particles 0.5 to 10 ⁇ m
- the spherical coagulant particles are blended, and are characterized in that.
- the spherical resin particles that can be used in the present invention are characterized in that the circularity is in the range of 0.9 to 1.0, preferably in the range of 0.95-1.00.
- the abrasive materials obtained by mixing the formulations shown in Table 1 were molded into a shell shape by hot pressing at 150 ° C. for 10 minutes to produce abrasive materials of Examples 1 to 4 and Comparative Examples 1 to 4.
- each abrasive is fixed to a dedicated shaft of a dental handpiece engine, and the surface of the dental composite resin specimen is subjected to a load of about 1 N at 7,500 rpm for 30 seconds. Polishing was performed by ranking the workability (touch during polishing), polishing power and durability according to the following evaluation criteria.
- the test piece was formed by the following procedure. First, a stainless steel ring with an inner diameter of 15 mm and a thickness of 2 mm is placed on a slide glass, filled with dental composite resin (Beauty Fill Flow, Matsukaze Co., Ltd.), and a slide glass is placed on it. Then, polymerization was carried out for 3 minutes from both sides with a dental photopolymerizer (Twincure, Matsukaze Co., Ltd.) to obtain a cylindrical test piece.
- dental composite resin Bisty Fill Flow, Matsukaze Co., Ltd.
- the glossiness of the polished surface of the test piece was measured by the specular glossiness-measurement method of JIS Z 8741.
- the glossiness was evaluated according to the specular glossiness-measurement method of JIS Z 8741.
- FIG. Figure 2 shows.
- Example 1 In Example 1, 2 to 4 ⁇ m of diamond was used for the abrasive barrel 12 and the average particle size was 60 ⁇ m. And 100 ⁇ m spherical acrylic resin particles 13 in an abrasive material 1 having a polishing part 10 in which silicone resin elastomer-based binder 11 (TSE3450, GE Toshiba Silicone) is blended. Compared with Comparative Example 1 in which spherical acrylic resin particles are not blended, durability, workability (touch during polishing), and finish after polishing (glossiness) are improved.
- silicone resin elastomer-based binder 11 TSE3450, GE Toshiba Silicone
- Example 1 it is possible to obtain an excellent finished surface as compared with Comparative Example 2 in which the blending amount of diamond abrasive is large, and the cost can be reduced without using a large amount of expensive diamond. Is possible.
- Example 1 spherical acrylic resin particles having an average particle size of 60 ⁇ m and 100 ⁇ m are blended at a ratio of 1: 1, but polishing is performed by combining spherical resin particles having different particle sizes. It is possible to adjust the workability and workability.
- Example 1 since the spherical resin particles having a circularity of 0.95 or more are used, compared with Comparative Example 3 in which amorphous resin particles having a circularity of 0.72 are used. Thus, there was no difference in workability and durability !, but the glossiness was remarkably high.
- Example 2 a foaming agent DPT is added to the elastomer-based binder 11 of Example 1. By adding this foaming agent, foaming occurs when the raw material is molded by hot pressing, and the porous material is porous. A polishing part is formed.
- the abrasive became flexible, the contact state between the abrasive and the object to be polished was further improved, the workability was improved, and the gloss of the finished surface was also improved.
- the first binder of the present invention was prepared by blending elastomeric binder 11 with diamond abrasive grains 12 and very small acrylic resin particles 13 compared to diamond abrasive grains.
- FIG. 10 A cross-sectional view of the polishing unit 10 of the second embodiment is shown in FIG.
- acrylic resin particles which are relatively coarse, to diamond particles, acrylic resin particles act as a vanishing effect on the abrasive cushioning material and the polishing surface, thereby providing high polishing power. It is possible to obtain an excellent finished surface while having it.
- Example 3 uses diamond barrels 12 having a diameter of 10 to 20 ⁇ m, and spherical acrylic resin particles 13 having an average particle diameter of 2 ⁇ m are mixed with an elastomer-based binder 11 (TSE3450, GE Toshiba Silicon 1).
- TSE3450 GE Toshiba Silicon 1
- Example 4 the elastomer-based binder 11 of Example 3 was added with a foaming agent DPT. By adding this foaming agent, foaming occurred when the raw material was molded with a hot press, resulting in a porous material. A polishing part is formed.
- the polishing material became flexible, the contact state between the polishing material and the object to be polished was further improved, the workability was improved, and the gloss of the finished surface was improved.
- the abrasive material of the present invention that has been experimentally produced as described above can obtain the same effect as described above for porcelain and teeth.
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- Health & Medical Sciences (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Dentistry (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Polishing Bodies And Polishing Tools (AREA)
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2006800160165A CN101170962B (zh) | 2005-05-11 | 2006-05-10 | 含有球状树脂颗粒的牙科用抛光制品 |
JP2007528302A JP5084504B2 (ja) | 2005-05-11 | 2006-05-10 | 球状樹脂粒子を含有する歯科用研磨材 |
DE112006001202.9T DE112006001202B4 (de) | 2005-05-11 | 2006-05-10 | Dentalpolierinstrument mit kugelförmigen Polierkörnern aus Harz |
US11/920,133 US8070842B2 (en) | 2005-05-11 | 2006-05-10 | Dental polishing article which contains spherical resin particles |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005138131 | 2005-05-11 | ||
JP2005-138131 | 2005-05-11 | ||
JP2005-182739 | 2005-06-23 | ||
JP2005182739 | 2005-06-23 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2006121080A1 true WO2006121080A1 (ja) | 2006-11-16 |
Family
ID=37396587
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2006/309404 WO2006121080A1 (ja) | 2005-05-11 | 2006-05-10 | 球状樹脂粒子を含有する歯科用研磨材 |
Country Status (5)
Country | Link |
---|---|
US (1) | US8070842B2 (ja) |
JP (1) | JP5084504B2 (ja) |
CN (1) | CN101170962B (ja) |
DE (1) | DE112006001202B4 (ja) |
WO (1) | WO2006121080A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20110076641A1 (en) * | 2009-09-30 | 2011-03-31 | Xin Huo | Dental polishing devices and method of polishing dental surfaces |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6376922B2 (ja) * | 2014-02-18 | 2018-08-22 | 株式会社松風 | 歯科用研磨器具 |
DE102016205396A1 (de) * | 2015-12-11 | 2017-06-14 | Hopf, Ringleb & Co. Gmbh & Cie. | Schleifinstrumente für dentale Zwecke, Herstellung eines Rohlings sowie Verfahren zum Herstellen eines Rohlings bzw. eines Schleifinstruments |
DE102017116851B4 (de) * | 2017-07-25 | 2020-06-04 | Lukas-Erzett Vereinigte Schleif- Und Fräswerkzeugfabriken Gmbh & Co. Kg | Schleifwerkzeug und Verwendung eines solchen Schleifwerkzeuges |
DE102019001028A1 (de) * | 2019-02-13 | 2020-08-13 | Interbros Gmbh | Zahnpoliervorrichtung zum Polieren von Zahnoberflächen |
DE102019211163A1 (de) * | 2019-07-26 | 2021-01-28 | Gebr. Brasseler Gmbh & Co. Kg | Dentalschleifinstrument mit erhöhter Standzeit |
DE102022111962A1 (de) | 2022-05-12 | 2023-11-16 | Marc Flesch | Dentalbohrer mit Verschleißindikator |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001009736A (ja) * | 1999-06-24 | 2001-01-16 | Daiwa Kasei Kogyo Kk | シート状研磨材 |
JP2001198836A (ja) * | 2000-01-19 | 2001-07-24 | Mitsubishi Materials Corp | レジンボンド砥石 |
JP2002146344A (ja) * | 2000-11-16 | 2002-05-22 | Mitsubishi Materials Corp | 砥石用高機能フィラー及びその製造方法、並びに、それを用いた砥石及びその製造方法 |
JP2005022033A (ja) * | 2003-07-02 | 2005-01-27 | Yamahachi Shizai Kogyo Kk | 研磨部材 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1427503A (en) * | 1921-02-05 | 1922-08-29 | Charles H Wake | Tooth cleaning and polishing bur |
JPS55137887A (en) * | 1979-04-06 | 1980-10-28 | Noritake Co Ltd | Grindstone of fine abrasive particle and its manufacturing method |
JPH0773588B2 (ja) * | 1992-07-09 | 1995-08-09 | 株式会社マシンツール中央 | 歯科用研削・研磨材 |
JP3201870B2 (ja) * | 1993-03-31 | 2001-08-27 | 東京磁気印刷株式会社 | 研磨フィルム |
US5679067A (en) * | 1995-04-28 | 1997-10-21 | Minnesota Mining And Manufacturing Company | Molded abrasive brush |
EP0846041B1 (en) * | 1995-08-11 | 2003-04-23 | Minnesota Mining And Manufacturing Company | Method of making a coated abrasive article having multiple abrasive natures |
DE19534368A1 (de) * | 1995-09-15 | 1997-03-20 | Pedex & Co Gmbh | Borsten mit Oberflächenstruktur und Verfahren zu ihrer Herstellung |
JPH10188237A (ja) * | 1996-12-26 | 1998-07-21 | Matsushita Electric Ind Co Ltd | ヘッドクリーナー |
JPH11277453A (ja) * | 1998-03-30 | 1999-10-12 | Kanebo Ltd | 歯科用修復物研磨用軸付き工具および歯科用修復物の 製造方法 |
JP2001138244A (ja) * | 1999-08-17 | 2001-05-22 | Mitsubishi Materials Corp | レジンボンド砥石 |
JP2002086361A (ja) * | 2000-09-14 | 2002-03-26 | Xebec Technology Co Ltd | 弾性砥石 |
DE60135145D1 (de) | 2000-10-24 | 2008-09-11 | Grander Technology Ltd | Polierwerkzeug und eine zusammensetzung zur herstellung des werkzeugs |
US6554614B1 (en) * | 2001-05-03 | 2003-04-29 | 3M Innovative Properties Company | Dental handpiece brush and method of using the same |
-
2006
- 2006-05-10 JP JP2007528302A patent/JP5084504B2/ja active Active
- 2006-05-10 US US11/920,133 patent/US8070842B2/en not_active Expired - Fee Related
- 2006-05-10 DE DE112006001202.9T patent/DE112006001202B4/de not_active Expired - Fee Related
- 2006-05-10 CN CN2006800160165A patent/CN101170962B/zh not_active Expired - Fee Related
- 2006-05-10 WO PCT/JP2006/309404 patent/WO2006121080A1/ja active Application Filing
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001009736A (ja) * | 1999-06-24 | 2001-01-16 | Daiwa Kasei Kogyo Kk | シート状研磨材 |
JP2001198836A (ja) * | 2000-01-19 | 2001-07-24 | Mitsubishi Materials Corp | レジンボンド砥石 |
JP2002146344A (ja) * | 2000-11-16 | 2002-05-22 | Mitsubishi Materials Corp | 砥石用高機能フィラー及びその製造方法、並びに、それを用いた砥石及びその製造方法 |
JP2005022033A (ja) * | 2003-07-02 | 2005-01-27 | Yamahachi Shizai Kogyo Kk | 研磨部材 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20110076641A1 (en) * | 2009-09-30 | 2011-03-31 | Xin Huo | Dental polishing devices and method of polishing dental surfaces |
Also Published As
Publication number | Publication date |
---|---|
US8070842B2 (en) | 2011-12-06 |
CN101170962B (zh) | 2011-04-20 |
DE112006001202B4 (de) | 2016-12-08 |
JPWO2006121080A1 (ja) | 2008-12-18 |
US20090068614A1 (en) | 2009-03-12 |
CN101170962A (zh) | 2008-04-30 |
DE112006001202T5 (de) | 2008-04-10 |
JP5084504B2 (ja) | 2012-11-28 |
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