WO2001047428A1 - Atraumatischer approximalraumerweiterer - Google Patents
Atraumatischer approximalraumerweiterer Download PDFInfo
- Publication number
- WO2001047428A1 WO2001047428A1 PCT/IB2000/001788 IB0001788W WO0147428A1 WO 2001047428 A1 WO2001047428 A1 WO 2001047428A1 IB 0001788 W IB0001788 W IB 0001788W WO 0147428 A1 WO0147428 A1 WO 0147428A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- interdental
- matrices
- dental device
- holding means
- dental
- Prior art date
Links
Classifications
-
- 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
- A61C5/80—Dental aids fixed to teeth during treatment, e.g. tooth clamps
- A61C5/88—Wedges
-
- 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
- A61C5/80—Dental aids fixed to teeth during treatment, e.g. tooth clamps
- A61C5/85—Filling bands, e.g. matrix bands; Manipulating tools therefor
Definitions
- the invention relates to the field of dental apparatus. It is based on a dental device for the expansion of interdental spaces according to the preamble of the independent claim.
- Such proximal space wideners in the form of wedges are known in the prior art.
- the wedge is inserted between two adjacent teeth and drives them apart by manual force.
- a wedge for fixing a matrix for dental preparation purposes is known from 5,573,400. After placing the matrix, the wedge is inserted and presses the matrix against the tooth to be prepared by swelling due to moisture.
- the wedge In all cases, the wedge is inserted between immediately adjacent teeth, exerts a force between them and, if necessary, drives them apart.
- the wedge covers parts of the tooth side surfaces that are then no longer accessible for treatment purposes.
- the use of wedges is problematic because wedge edges can lead to gum injuries and excess pressure due to small contact surfaces on the teeth can damage the enamel.
- the object of the invention is to provide a dental device for expanding the approximal space that is largely atraumatic and has improved access to the approach. ximal space enables. According to the invention, this object is achieved by the features of the independent claim.
- the dental device comprises two interdental matrices, two holding means for holding them and a spacing device for pushing apart and parallel guiding of the holding means, the spacing device being able to set a distance between the interdental matrices in a range of at least one tooth length up to an expansion length greater than a tooth length , Interdental matrices can be inserted into the interdental spaces very easily and without injury.
- the spacing device is adjustable in length in such a way that initially no force acts between the holding means. With the aid of the spacing device, the holding means and interdental matrices can be pushed apart essentially parallel to one another.
- the interdental matrices are flexible and therefore adaptable to the tooth shape to such an extent that the force can be transferred to the teeth gently over a large, evenly loaded area.
- the spacer typically has a length for bridging a tooth. As a result, the spaces between the neighboring teeth can be expanded for prophylactic, preparative or other purposes.
- the spacer can also have a length for bridging several teeth, so that the dental device in the case of tooth gaps, neighboring teeth that need to be protected and the like. is applicable.
- First examples relate to embodiments of the interdental matrices.
- matrices for the interdental matrices can be exchanged very easily if required.
- massive interdental matrices the largest possible tooth surface is available for power transmission to the tooth to be pushed away.
- windowed interdental matrices the side surface of the tooth to be pushed away is also accessible for dental treatment.
- an additional sub-matrix can also be attached, which serves as a modeling aid or separating film when preparing the adjacent tooth.
- Second exemplary embodiments relate to holding means in the form of a U-shaped carrier with a base and lateral fastening means for receiving the interdental matrices.
- the base preferably has a support surface and / or a projection for supporting the interdental matrices.
- This type of holder ensures that the interdental matrices can be easily inserted into the interdental spaces and, at the same time, an effective transfer of force to the holding means, interdental matrices and teeth.
- Third exemplary embodiments relate to spacing devices with separation screws and guide pins.
- Two separation screws with guide pins integrated in one piece on the end are preferably arranged symmetrically on both sides of the interdental matrices. This makes the construction of the dental device very simple and access to the interdental space is hardly restricted. Further designs, advantages and applications of the invention result from the dependent claims and from the following description with reference to the figures.
- FIG. 1 a shows a top view of a first dental device according to the invention for expanding the proximal space
- FIG. 2a shows a second dental device according to the invention for expanding the proximal space in a top view and FIG. 2b in a front view;
- Fig. 3 shows an alternative attachment of an interdental matrix;
- Fig. 4 shows an embodiment with a two-wing interdental matrix for dental treatment.
- the dental device 1 for expanding an approximal space 7, 8 between teeth 110, 111, 112 is characterized by two interdental matrices 4, 5 for insertion into the ap proxi al syndrome e 7, 8, two holding means 2, 3 for holding interdental matrices 4, 5 and a spacer 6, 6 ', 60, 61, 60b, 61b, 90, 91 for pushing apart and paralleling the holding means 2, 3.
- a distance between the interdental matrices 4, 5 can be set in a range from at least one to more than one tooth length L.
- the interdental matrices 4, 5 can be detachably attached to the holding means 2, 3.
- the interdental matrices 4, 5 are generally solid. To improve the stability against deflection, they can e.g. B. have a reinforced framework.
- a window 9 can also be provided, which is transparent for light from a polymerization lamp and / or for the optical area.
- the window 9 is a plastic window 9 or an opening 9.
- the window 9 can be arranged centrally or in another way.
- Through the window 10 can a dental Treatment, e.g. B. light curing, sealing or the like.
- the interdental matrice includes two partial matrices 5 5a, 5b, of which a first partial matrix (not shown) 5a on a support means 3 is mounted and a second partial matrice is held on the first partial matrice • 5a 5b.
- the sub-matrices 5a, 5b can be connected to one another by adhesive.
- the first sub-die 5a serves, as before, to transmit force to the tooth 112 to be pushed away.
- the second sub-die 5b acts as a modeling aid or separation film when treating the adjacent tooth 110.
- Both sub-dies 5a, 5b advantageously have a common window 9.
- both sub-matrices have overlapping openings 9.
- the sub-die 5a can have an opening 9 and the sub-die 5b can be made of plastic that is transparent in the desired length range.
- Other combinations, e.g. B. two sub-matrices 5a, 5b made of plastic are conceivable. What is important is the optical and / or mechanical accessibility of the part of the tooth 110 to be treated in the region of the interdental space 8.
- 1a, 1b, 2a, 2b and 3 show as holding means 2, 3 U-shaped supports 2, 3, which have a base 22, 32 and two side parts with fastening means 20, 21, 30, 31, 40, 41, 50, 51; 38, 39 for the interdental matrices 4, 5.
- the base 22, 32 advantageously has a support surface 25, 35 for lateral or lower edge-side support of the interdental matrices 4, 5.
- the base 22, 32 has a projection 26, 36 for supporting the interdental matrices 4, 5 on the front or back against deflection when the holding means 2, 3 are pushed apart.
- the fastening means 20, 21, 30, 31, 40, 41, 50, 51 can be clamping jaws 20, 21, 30, 31 with fixing act screws 40, 41, 50, 51 to engage in perforations of the interdental matrices 4, 5.
- the U-shaped beams 2, 3 each consist of two U-shaped partial beams 2a, 2b; 3a, 3b, the side parts or arms of which form the clamping jaws 20, 21, 30, 31.
- the spacer 6, 6 ', 60, 61, 60b, 61b, 90, 91 can comprise at least one separation screw 6, -6', 60, 61 and at least one guide pin 60b, 61b, 90, 91 and the holding means 2, 3 at least a threaded bore 33 for the separation screw 6, 6 ', 60, 61 and at least one guide bore 24, 34 for the guide pin 60b, 61b, 90, 91.
- the spacing device 60, 61, 60b, 61b comprises two separation screws 60, 61, which are each integrally connected at the end to a guide pin 60b, 61b.
- a first of the holding means 3 has two threaded bores 33 for the separation screws 60, 61 or their threads 60a, 61a and a second of the holding means 2 has two guide bores 24 for the guide pins 60b, 61b.
- the spacing device 6, 6 ', 90, 91 comprises exactly one central separation screw 6 and two lateral guide pins 90, 91.
- the arrangement of the separation screw 6, 6' and the guide pins 90, 91 can vary , In particular, the separation screw 6 ', as indicated by dashed lines, can also be arranged laterally.
- the spacing device 6, 6 ', 60, 61, 60b, 61b, 90, 91 can also have two separation screws 60, 61; 6, 6 'and exactly one guide pin 90; 91 include. Combinations of several separation screws 60, 61, 6, 6 'with several guide pins 60b, 61b, 90, 91 are also possible.
- the at least one separation screw 6, 60, 61 and / or the at least one guide pin 90, 91 and the associated at least one threaded bore 33 and / or the associated at least one guide bore 24, 34 are in a central position, ie in the plane of symmetry M, or arranged in pairs of mirror-symmetrical positions to the plane of symmetry M, ie in pairs at equal distances on both sides of the plane of symmetry M.
- the dental device 1, in particular the interdental matrices 4, 5, should or should consist of steel, plastic and / or composite materials based on carbon fibers.
- the dental device 1 should not have any sharp edges and should be sterilizable.
- Screws 6, 6 ', 60, 61, 40, 41, 50, 51 of the dental device 1 are preferably Allen screws.
- insertion slots 38, 39 for the interdental matrices 4, 5 are embedded in the side parts or arms of an exemplary one-piece carrier.
- the interdental matrix 5 has thickenings 52, 53 on two opposite edges for insertion into the insertion slots 38, 39.
- the insertion slots 38, 39 can also have snap locks, not shown. These measures make it even easier to use and replace the interdental matrices 4, 5 during operation.
- the dental device 1 can be used to carry out a dental method comprising the following steps: inserting the dental device 1, the interdental matrices 4, 5 being pushed into different interdental spaces 7, 8;
- the international dental atrices 4, 5 by increasing their distance on the spacer 6, 6 ', 60, 61, 60b, 61b, 90, 91; dental treatment in the area of an interdental space 7, 8;
- the dental device 1 can be inserted by: inserting the interdental matrices 4, 5 individually and connecting their associated holding means 2, 3 by means of the spacing device 6, 6 ', 60, 61, 60b, 61b, 90, 91; or setting a distance of one or more tooth lengths between the interdental matrices 4, 5 and joint insertion of the interdental matrices 4, 5.
- the interdental matrices 4, 5 are firmly clamped in their holding means 2, 3.
- the interdental matrices 4, 5 can be inserted separately and then the holding means 2, 3 z. B. can be attached with a snap mechanism. The insertion takes place, for example, by a direct vertical or a sawing movement.
- the interdental matrices 4, 5 are pushed apart or relieved, for example, by turning the at least one separation screw 6, 6 ', 60, 61, optionally with an Allen key.
- Several separation screws 6, 6 ', 60, 61 can alternately be tightened by approx. 5 turns each.
- a short waiting period is inserted and then tightened again a few turns.
- the tooth spread that can be achieved is in a range of approximately 0.3 mm per interdental space 7, 8. In this area, teeth 110 and 112 are relatively easy to move laterally.
- Additional process steps are u. a. for preparation and / or post-processing of the above dental procedure. For example, before the introduction of the
- Dental device 1 cleaned the interdental spaces 7, 8.
- smoother Te tooth surfaces can be cleaned with a fluoride-free cleaning paste and a super raft.
- a fine plastic strip can also be used for rough surfaces.
- Dental treatment can relate, for example, to prophylactic sealing of a lateral tooth contact surface in the area of a tooth space 7, -8.
- Etching gel is applied extensively to a contact area for approx. 120 s.
- the etching gel for better wetting of the contact area with an unwaxed dental floss is spread and massaged in with ultrasound or other aids, and the etching gel is sprayed with water after the exposure time for approx , if necessary, additionally dry the enamel surface with acetone, and then apply the sealer over a large area on the etched contact surface with a penetration time of approx. 40 s, if necessary gently, ie without pooling, blowing, and light-cured with a light from a suitable polymerization lamp supplied by optical fibers.
- the light curing time is approx. 1 minute at approx. 1000 mW / cm 2 light intensity. Excess material that is not on hardened enamel is then removed with an Occlubrush or similar.
- the dental treatment process is characterized by the following advantages:
- the interdental space 7, 8 can be opened down to the gums.
- the associated lateral tooth surface of the stationary tooth 110 is thus made completely accessible, which is impossible with wedges.
- a large opening is reached atraumatically, so that the substances to be applied and also aids for improving the wetting, dental tools etc. have good access to the entire lateral tooth treatment area.
- the opposite side of the pushed-off tooth 111, 112, on which an interdental matrix 4, 5 rests, is also accessible for dental treatment, if an interdental matrix 4, 5 with window 9 is used.
- a further dental treatment relates to a direct restorative filling technique for teeth 110, 111, 112 in the area of a tooth space 7, 8.
- a tooth space 7, 8 is spread with the dental device 1 according to the invention and then - known operational process techniques in the Filling therapy applied.
- the dental device 1 offers considerable advantages. With conventional wedges it is difficult or impossible to create a contact point between adjacent teeth due to the shrinkage of the polymeric filling material of approx. 2% - 3%. So far, the wedge has been used as an alternative to compensate for the shrinkage. However, the preload is virtually impossible to control and can often be too small or too large. With the dental device 1, it is now possible for the first time to set a well-defined preload on the spacing device 6, 6 ', 60, 61, 60b, 61b, 90, 91 in such a way that the desired contact point is generated with great reliability.
Landscapes
- 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)
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
- Materials For Medical Uses (AREA)
- Prostheses (AREA)
Abstract
Description
Claims
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2001548024A JP2003518405A (ja) | 1999-12-24 | 2000-12-04 | 無外傷性隣接空間拡張具 |
AU14092/01A AU1409201A (en) | 1999-12-24 | 2000-12-04 | Atraumatic approximal space dilator |
CA002389565A CA2389565A1 (en) | 1999-12-24 | 2000-12-04 | Atraumatic approximal space dilator |
US10/149,735 US6960082B2 (en) | 1999-12-24 | 2000-12-04 | Atraumatic approximal space dilator |
EP00976218A EP1239790B1 (de) | 1999-12-24 | 2000-12-04 | Atraumatischer approximalraumerweiterer |
DE50010125T DE50010125D1 (de) | 1999-12-24 | 2000-12-04 | Atraumatischer approximalraumerweiterer |
AT00976218T ATE293398T1 (de) | 1999-12-24 | 2000-12-04 | Atraumatischer approximalraumerweiterer |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH237999 | 1999-12-24 | ||
CH2379/99 | 1999-12-24 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2001047428A1 true WO2001047428A1 (de) | 2001-07-05 |
Family
ID=4232410
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/IB2000/001788 WO2001047428A1 (de) | 1999-12-24 | 2000-12-04 | Atraumatischer approximalraumerweiterer |
Country Status (8)
Country | Link |
---|---|
US (1) | US6960082B2 (de) |
EP (1) | EP1239790B1 (de) |
JP (1) | JP2003518405A (de) |
AT (1) | ATE293398T1 (de) |
AU (1) | AU1409201A (de) |
CA (1) | CA2389565A1 (de) |
DE (1) | DE50010125D1 (de) |
WO (1) | WO2001047428A1 (de) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ITCZ20030013A1 (it) * | 2003-07-30 | 2005-01-31 | Giancarlo Venneri | Separatore dentale. |
US20080064004A1 (en) * | 2006-09-13 | 2008-03-13 | Clark David J | Dental Kits And A Seamless, Single Load Cavity Preparation And Filling Technique |
FR2952524B1 (fr) * | 2009-11-13 | 2012-01-06 | Dynadent | Dispositif de pose d'une attelle de contention dentaire |
US20110171596A1 (en) | 2010-01-14 | 2011-07-14 | Clark David J | Dental Wedge |
US9005877B2 (en) | 2012-05-15 | 2015-04-14 | Tokyo Electron Limited | Method of forming patterns using block copolymers and articles thereof |
US8975009B2 (en) | 2013-03-14 | 2015-03-10 | Tokyo Electron Limited | Track processing to remove organic films in directed self-assembly chemo-epitaxy applications |
US20140273534A1 (en) | 2013-03-14 | 2014-09-18 | Tokyo Electron Limited | Integration of absorption based heating bake methods into a photolithography track system |
US8980538B2 (en) | 2013-03-14 | 2015-03-17 | Tokyo Electron Limited | Chemi-epitaxy in directed self-assembly applications using photo-decomposable agents |
US9147574B2 (en) | 2013-03-14 | 2015-09-29 | Tokyo Electron Limited | Topography minimization of neutral layer overcoats in directed self-assembly applications |
US9209014B2 (en) | 2013-03-15 | 2015-12-08 | Tokyo Electron Limited | Multi-step bake apparatus and method for directed self-assembly lithography control |
US10490402B2 (en) | 2013-09-04 | 2019-11-26 | Tokyo Electron Limited | UV-assisted stripping of hardened photoresist to create chemical templates for directed self-assembly |
US9349604B2 (en) | 2013-10-20 | 2016-05-24 | Tokyo Electron Limited | Use of topography to direct assembly of block copolymers in grapho-epitaxial applications |
US9793137B2 (en) | 2013-10-20 | 2017-10-17 | Tokyo Electron Limited | Use of grapho-epitaxial directed self-assembly applications to precisely cut logic lines |
EP3151777B1 (de) | 2014-06-04 | 2021-08-04 | David J. Clark | Zahnkeil |
US9947597B2 (en) | 2016-03-31 | 2018-04-17 | Tokyo Electron Limited | Defectivity metrology during DSA patterning |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1456294A (en) * | 1921-12-17 | 1923-05-22 | James W Ivory | Tooth separator |
US1464532A (en) * | 1922-07-01 | 1923-08-14 | James W Ivory | Tooth separator |
US1702869A (en) * | 1928-02-21 | 1929-02-19 | Chester S Ivory | Tooth separator |
US4718852A (en) * | 1984-08-14 | 1988-01-12 | Galler Jeffrey M | Kit of armamentarium for restoring posterior teeth with interproximal decay |
US5573400A (en) | 1994-12-06 | 1996-11-12 | Asher; Randall S. | Expanding dental wedge |
EP0910996A1 (de) * | 1997-10-27 | 1999-04-28 | Geno Know-How Sarnen AG | Vorrichtung zur Fixierung und Anpassung einer Matrize für die Zahnbehandlung |
US5993210A (en) * | 1998-11-09 | 1999-11-30 | Godfrey; Duane Kent | Dentist's tooth separator |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US351065A (en) * | 1886-10-19 | Dental matrix | ||
US427338A (en) * | 1890-05-06 | Dental matrix | ||
US701799A (en) * | 1901-07-27 | 1902-06-03 | William Crenshaw | Dental matrix. |
US2288011A (en) * | 1940-11-23 | 1942-06-30 | Albert D Mizzy | Teeth separator |
US2647351A (en) * | 1952-02-19 | 1953-08-04 | Wendelin P Arnold | Knife sharpener |
US3046659A (en) * | 1961-03-06 | 1962-07-31 | Benjamin F Tofflemire | Matrix band retaining clamp |
US3197870A (en) * | 1963-01-31 | 1965-08-03 | Benjamin F Tofflemire | Dental separator |
WO1992002189A1 (de) * | 1990-08-06 | 1992-02-20 | Reimer, Hans | Matrize für die dentalmedizin und eine vorrichtung zur herstellung von matrizenbändern |
DE4124597A1 (de) * | 1991-05-02 | 1993-02-18 | Erags Entwicklungslabor Fuer R | Ventral-teleskop |
US5330353A (en) * | 1993-03-17 | 1994-07-19 | Wavrin Dennis L | Matrix band |
US5328364A (en) * | 1993-10-15 | 1994-07-12 | Doyle Walter A | Dental clamp |
US5460525A (en) * | 1994-03-07 | 1995-10-24 | Rashid; Paul L. | Dual matrix band retainer |
US6217323B1 (en) * | 1999-08-18 | 2001-04-17 | Eric Jein-Wein Liou | Dental distractor |
-
2000
- 2000-12-04 US US10/149,735 patent/US6960082B2/en not_active Expired - Fee Related
- 2000-12-04 AT AT00976218T patent/ATE293398T1/de not_active IP Right Cessation
- 2000-12-04 CA CA002389565A patent/CA2389565A1/en not_active Abandoned
- 2000-12-04 WO PCT/IB2000/001788 patent/WO2001047428A1/de active IP Right Grant
- 2000-12-04 EP EP00976218A patent/EP1239790B1/de not_active Expired - Lifetime
- 2000-12-04 DE DE50010125T patent/DE50010125D1/de not_active Expired - Fee Related
- 2000-12-04 JP JP2001548024A patent/JP2003518405A/ja active Pending
- 2000-12-04 AU AU14092/01A patent/AU1409201A/en not_active Abandoned
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1456294A (en) * | 1921-12-17 | 1923-05-22 | James W Ivory | Tooth separator |
US1464532A (en) * | 1922-07-01 | 1923-08-14 | James W Ivory | Tooth separator |
US1702869A (en) * | 1928-02-21 | 1929-02-19 | Chester S Ivory | Tooth separator |
US4718852A (en) * | 1984-08-14 | 1988-01-12 | Galler Jeffrey M | Kit of armamentarium for restoring posterior teeth with interproximal decay |
US5573400A (en) | 1994-12-06 | 1996-11-12 | Asher; Randall S. | Expanding dental wedge |
EP0910996A1 (de) * | 1997-10-27 | 1999-04-28 | Geno Know-How Sarnen AG | Vorrichtung zur Fixierung und Anpassung einer Matrize für die Zahnbehandlung |
US5993210A (en) * | 1998-11-09 | 1999-11-30 | Godfrey; Duane Kent | Dentist's tooth separator |
Also Published As
Publication number | Publication date |
---|---|
EP1239790A1 (de) | 2002-09-18 |
AU1409201A (en) | 2001-07-09 |
DE50010125D1 (de) | 2005-05-25 |
ATE293398T1 (de) | 2005-05-15 |
US20020192619A1 (en) | 2002-12-19 |
CA2389565A1 (en) | 2001-07-05 |
US6960082B2 (en) | 2005-11-01 |
EP1239790B1 (de) | 2005-04-20 |
JP2003518405A (ja) | 2003-06-10 |
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