US2842844A - Dental polishing disk - Google Patents

Dental polishing disk Download PDF

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US2842844A
US2842844A US573192A US57319256A US2842844A US 2842844 A US2842844 A US 2842844A US 573192 A US573192 A US 573192A US 57319256 A US57319256 A US 57319256A US 2842844 A US2842844 A US 2842844A
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disk
abrasive material
areas
sheet
free
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US573192A
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Henry R Seal
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    • 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

Definitions

  • This invention relates to an improved disk for use by dentists in grinding and polishing teeth, fillings and the like.
  • An object of this invention is to provide an abrasive disk which is easily inserted between adjacent teeth even when such teeth have their crown or distal portions closely spaced. 7
  • Another object of this invention is to provide an abrasive disk which is easily inserted as indicated in the preceding paragraph and which, when so inserted, can be effectively used for grinding or polishing the proximal or neck portions of adjacent teeth and/or fillings located in the proximal or neck portions of such teeth.
  • a specific object of this invention is-to provide a dental grinding or polishing disk comprising a thin but still paper or fabric or like sheet carrying, on bothsides or on one side only, an abrasive or gritty coating confined to a plurality of spaced arcuate areas extending around the peripheral areas or margins of thedisk.
  • Fig. '1 is a fragmentary elevational view of the upper jaw carrying incisors and showing, in perspective, a polishing disk according to the present invention as used for polishing the neck portion of one of said incisors;
  • Fig. 2 is a sectional view taken along the line 2-4. of Fig. 1
  • Fig. 3 is a view similar to Fig. 2 but showing another polishing disk according to the present invention.
  • Fig. 4 is an enlarged cross sectional view taken along the line 4-4 of Fig. 2;
  • Fig. 5 is a perspective view of still another polishing disk according to the present invention.
  • Fig. 6 is an enlarged cross sectional view taken along the line 6-6 of Fig. 5.
  • a dental polishing disk according to the present invention is generally indicated at 10.
  • This disk It is removably mounted by any suitable conventional means at the end of a mandrel 12 which is revolved by a dental engine (not shown).
  • the disk ill is formed with a central aperture 14, for mounting on the mandrel by any one of the known conventional devices commonly used in dentistry for mounting polishing disks.
  • the disk it? comprises a thin, round and relatively rigid sheet 16 fabricated from paper or fabric stiffened with varnish or the like, from a synthetic plastic, or from any other suitable material known in the art.
  • Two arcuate peripheral areas 18 and 20 on one side of the sheet 16 are covered with a gritty or abrasive material suitable for polishing or grinding fillings or tooth surfaces. interspaces 22 and 24 free from abrasive or gritty material are provided between the ends of the areas 18 and 20.
  • the central area 26 radially inside the peripheral areas 2 hired States Patent 1 8 and is likewise free from gritty or abrasive material.
  • the disk areas 22, 24 and 26, being devoid of gritty or abrasive material, are substantially thinner than the disk areas 18 and 20 which carry gritty or abrasive material.
  • the other side or face of the disk may be similarly covered with abrasive or gritty material confined to arcuate peripheral areas co inciding with the areas 18 or 20, as shown in the drawing, or this other side or face of the disk may be entirely free from gritty or abrasive material.
  • Figs. 1 and 2 The use of the disk 10 for polishing or grinding teeth is illustrated in Figs. 1 and 2 showing the upper jaw 28 carrying incisors 3d having closely spaced crowns.
  • the disk 16) is positioned between a pair of adjacent incisors 30 as follows.
  • One of the disk areas 22 or 24 is initially inserted between the crowns of the incisors 3%.
  • the disk is moved further into the interspace between the teeth, so that one of the interspaces 22 or 24 extends between the neck portions of the incisors, and the central portion 26 of the disk it extends between the crown portions of the teeth, as shown in Figs. 1 and 2.
  • the disk portions 22, 24 The disk portions 22, 24.
  • the mandrel 12 After being thus positioned, the mandrel 12 is revolved, and then the disk portions 18 and Ztl serve t polish or grind the neck portions of the teeth, or if desired, fillings located in the neck portions of the teeth.
  • the disk portions 22, 2d and 26 (which are free from gritty or abrasive material) may be coated with a polishing composition, whereby the crown portions of the teeth may be polished as the neck portions are ground.
  • Fig. 3 illustrates a dental polishing disk 34 according to the present invention constructed exactly as the disk it? of Figs. 1, 2 and 4, except that the disk 34 is provided with three arcuate peripheral areas 36, 38 and 41 covered with gritty or abrasive material separated from each other by interspaces 42, 44 and 46 which are not aligned diametrically, as are the spaces 22 and 24 of the disk 10 of Figs. 1, 2 and 4.
  • This disk 30 is used exactly as the disk 10 of Figs. 1, 2 and 4, the disk 34 being inserted into the interspace between two closely spaced teeth with one of the disk areas 42, 4 or 46 in the leading position, the disk being brought into a position where, upon revolution, the disk areas 36, 38 and 4a will polish or grind the neck portions of the teeth.
  • Figs. 5 and 6 illustrate still another polishing disk 56 according to the present invention constructed exactly as the disk 10 of Figs. 1, 2 and 4 except for the fact that the disk 50 is dish d.
  • the disk 59 (removably mounted on a mandrel 12) is formed with arcuate peripheral areas 52 and 54 covered with gritty or abrasive material and spaced by areas 56 and 58 free from gritty or abrasive material, as is also the central disk area 6%.
  • one of the interspaces 53 and 56 forms the leading portion of the disk 50, which is brought sufficiently deeply into the interspace to bring the areas 52 and 54 into alignment with the neck portions of the teeth so-that the latter will be polished or ground when the mandrel 12 is revolved.
  • the mandrel 12 may be tilted at various angles as the disk 50 is being progressively introduced into the interspace between the teeth, in conformity with the curvature of the teeth and the interspace therebetween, whereby such introduction may be greatly facilitated.
  • the dental polishing and grinding disks of the present in ention ofifer several advantages over conventional polishing disks.
  • the disks of the present invention are more easily introduced between closely spaced teeth than is a polishing disk having a continuous area covered with gritty or abrasive material extending over the whole disk periphery.
  • the dished disks of the present invention are particularly easily introduced between closely spaced teeth.
  • a dental polishing disk adapted for mounting on a mandrel and comprising a thin round stiff sheet and abrasive material coating only peripheral arcuate areas of said sheet spaced by other peripheral areas free from abrasive material, the center of said sheet inside said peripheral areas being likewise free from abrasive material, said disk being provided with peripheral areas on both sides thereof free from abrasive material and aligned as between the two sides of said disk.
  • a dental polishing disk adapted for mounting on a mandrel and comprising a dished thin round stiff sheet and abrasive material coating only peripheral arcuate areas of said sheet spaced by other peripheral areas free from abrasive material, the center of said sheet inside said peripheral areas being likewise free from abrasive material, said disk being provided with peripheral areas on both sides thereof free from abrasive material and aligned as between the two sides of said disk.
  • a dental polishing disk adapted for mounting on a mandrel and comprising a thin round stiff sheet and abrasive material on both sides of said sheet coating only peripheral arcuate areas of said sheet spaced by other peripheral areas free from abrasive material, said peripheral areas free from abrasive material being aligned as between the two sides of said disk, the center of said sheet inside said peripheral areas being likewise free from abrasive material.
  • a dental polishing disk adapted for mounting on a mandrel and comprising a dished thin round stitf sheet and abrasive material on both sides of said sheet coating only peripheral arcuate areas of said sheet spaced by other peripheral areas free from abrasive material, said peripheral areas free from abrasive material being aligned as between the two sides of said disk, the center of said sheet inside said peripheral areas being likewise free from abrasive material.
  • a dental polishing disk adapted for mounting on a mandrel and comprising a thin round stiff sheet and abrasive material coating only peripheral arcuate areas of said sheet spaced by other peripheral areas free from abrasive material, the center of said sheet inside said peripheral areas being likewise free from abrasive material, said disk being provided with peripheral areas on both sides thereof free from abrasive material and aligned as between the two sides of said disk, said disk further comprising a polishing composition coating the center of said sheet inside said peripheral areas as a layer thinncr than said coating of abrasive material.
  • a dental polishing disk adapted for mounting on a mandrel and comprising a dished thin round stitf sheet and abrasive material coating only peripheral arcuate areas of said sheet spaced by other peripheral areas free from abrasive material, the center of said sheet inside said peripheral areas being likewise free from abrasive material, said disk being provided with peripheral areas on both sides thereof free from abrasive material and aligned as between the two sides of said disk, said disk further comprising a polishing composition coating the center of said sheet inside said peripheral areas as a layer thinner than said coating of abrasive material.
  • a dental polishing disk adapted for mounting on a mandrel and comprising a thin round stitf sheet and abrasive material on both sides of said sheet coating only peripheral arcuate areas of said sheet spaced by other peripheral areas free from abrasive material, said peripheral areas free from abrasive material being aligned as between the two sides of said disk, the center of said sheet inside said peripheral areas being likewise free from abrasive material, said disk further comprising a polishing composition coating the center of said sheet inside said peripheral areas as a layer thinner than said coating of abrasive material.

Description

July 15, 1958 H- R. SEAL DENTAL POLISHING DISK Filed March 22, 1956 DENTAL POLISHING DISK Henry R. Seal, Chicago, Ill.
Application March 22, 1956, Serial No. 573,192
7 Claims. (Cl. 32-5-59) This invention relates to an improved disk for use by dentists in grinding and polishing teeth, fillings and the like.
An object of this invention is to provide an abrasive disk which is easily inserted between adjacent teeth even when such teeth have their crown or distal portions closely spaced. 7
Another object of this invention is to provide an abrasive disk which is easily inserted as indicated in the preceding paragraph and which, when so inserted, can be effectively used for grinding or polishing the proximal or neck portions of adjacent teeth and/or fillings located in the proximal or neck portions of such teeth.
A specific object of this invention is-to provide a dental grinding or polishing disk comprising a thin but still paper or fabric or like sheet carrying, on bothsides or on one side only, an abrasive or gritty coating confined to a plurality of spaced arcuate areas extending around the peripheral areas or margins of thedisk.
Other and further objects andfeatures of this invention will become apparent from the following description and appended claims, as illustrated by the accompanying drawing, showing, by way of examples, disks according to the present invention, and in which drawing:
Fig. '1 is a fragmentary elevational view of the upper jaw carrying incisors and showing, in perspective, a polishing disk according to the present invention as used for polishing the neck portion of one of said incisors;
Fig. 2 is a sectional view taken along the line 2-4. of Fig. 1
Fig. 3 is a view similar to Fig. 2 but showing another polishing disk according to the present invention;
Fig. 4 is an enlarged cross sectional view taken along the line 4-4 of Fig. 2;
Fig. 5 is a perspective view of still another polishing disk according to the present invention; and
Fig. 6 is an enlarged cross sectional view taken along the line 6-6 of Fig. 5.
Referring now to Figs. 1, 2, and 4, a dental polishing disk according to the present invention is generally indicated at 10. This disk It is removably mounted by any suitable conventional means at the end of a mandrel 12 which is revolved by a dental engine (not shown). Ordinarily, the disk ill is formed with a central aperture 14, for mounting on the mandrel by any one of the known conventional devices commonly used in dentistry for mounting polishing disks.
The disk it? comprises a thin, round and relatively rigid sheet 16 fabricated from paper or fabric stiffened with varnish or the like, from a synthetic plastic, or from any other suitable material known in the art. Two arcuate peripheral areas 18 and 20 on one side of the sheet 16 are covered with a gritty or abrasive material suitable for polishing or grinding fillings or tooth surfaces. interspaces 22 and 24 free from abrasive or gritty material are provided between the ends of the areas 18 and 20. The central area 26 radially inside the peripheral areas 2 hired States Patent 1 8 and is likewise free from gritty or abrasive material. It should be understood that the disk areas 22, 24 and 26, being devoid of gritty or abrasive material, are substantially thinner than the disk areas 18 and 20 which carry gritty or abrasive material. The other side or face of the disk may be similarly covered with abrasive or gritty material confined to arcuate peripheral areas co inciding with the areas 18 or 20, as shown in the drawing, or this other side or face of the disk may be entirely free from gritty or abrasive material.
The use of the disk 10 for polishing or grinding teeth is illustrated in Figs. 1 and 2 showing the upper jaw 28 carrying incisors 3d having closely spaced crowns. The disk 16) is positioned between a pair of adjacent incisors 30 as follows. One of the disk areas 22 or 24 is initially inserted between the crowns of the incisors 3%. Next, the disk is moved further into the interspace between the teeth, so that one of the interspaces 22 or 24 extends between the neck portions of the incisors, and the central portion 26 of the disk it extends between the crown portions of the teeth, as shown in Figs. 1 and 2. The disk portions 22, 24. and '26 are relatively thin, and offer negligible frictional resistance, so that the disk lit can be easily inserted in this fashion even between closely spaced teeth. After being thus positioned, the mandrel 12 is revolved, and then the disk portions 18 and Ztl serve t polish or grind the neck portions of the teeth, or if desired, fillings located in the neck portions of the teeth.
it should be understood that if spaced arcuate peripheral areas covered with gritty or abrasive material are provided on both sides of the polishing disk, then the interspaces between such arcuate areas should overlap or coincide as between the two faces of the disk, so that the leading portion of the disk inserted between the crowns of adjacent teeth should be devoid of abrasive or gritty material on both sides or faces of the disk.
If desired, the disk portions 22, 2d and 26 (which are free from gritty or abrasive material) may be coated with a polishing composition, whereby the crown portions of the teeth may be polished as the neck portions are ground.
t will be understood that such a layer of polishing composition is thinner than the layer of gritty or abrasive material coating the areas 18 and 20.
Fig. 3 illustrates a dental polishing disk 34 according to the present invention constructed exactly as the disk it? of Figs. 1, 2 and 4, except that the disk 34 is provided with three arcuate peripheral areas 36, 38 and 41 covered with gritty or abrasive material separated from each other by interspaces 42, 44 and 46 which are not aligned diametrically, as are the spaces 22 and 24 of the disk 10 of Figs. 1, 2 and 4. This disk 30 is used exactly as the disk 10 of Figs. 1, 2 and 4, the disk 34 being inserted into the interspace between two closely spaced teeth with one of the disk areas 42, 4 or 46 in the leading position, the disk being brought into a position where, upon revolution, the disk areas 36, 38 and 4a will polish or grind the neck portions of the teeth.
Figs. 5 and 6 illustrate still another polishing disk 56 according to the present invention constructed exactly as the disk 10 of Figs. 1, 2 and 4 except for the fact that the disk 50 is dish d. Thus, the disk 59 (removably mounted on a mandrel 12) is formed with arcuate peripheral areas 52 and 54 covered with gritty or abrasive material and spaced by areas 56 and 58 free from gritty or abrasive material, as is also the central disk area 6%. When the disk 59 is inserted between closely spaced teeth, one of the interspaces 53 and 56 forms the leading portion of the disk 50, which is brought sufficiently deeply into the interspace to bring the areas 52 and 54 into alignment with the neck portions of the teeth so-that the latter will be polished or ground when the mandrel 12 is revolved. The mandrel 12 may be tilted at various angles as the disk 50 is being progressively introduced into the interspace between the teeth, in conformity with the curvature of the teeth and the interspace therebetween, whereby such introduction may be greatly facilitated.
It will be apparent that the dental polishing and grinding disks of the present in ention ofifer several advantages over conventional polishing disks. Particularly, the disks of the present invention are more easily introduced between closely spaced teeth than is a polishing disk having a continuous area covered with gritty or abrasive material extending over the whole disk periphery. The dished disks of the present invention are particularly easily introduced between closely spaced teeth.
Many details may be varied without departing from the principles of this invention and it is therefore not my intention to limit the patent granted on this application otherwise than necessitated by the following claims.
The invention is claimed as follows:
i. A dental polishing disk adapted for mounting on a mandrel and comprising a thin round stiff sheet and abrasive material coating only peripheral arcuate areas of said sheet spaced by other peripheral areas free from abrasive material, the center of said sheet inside said peripheral areas being likewise free from abrasive material, said disk being provided with peripheral areas on both sides thereof free from abrasive material and aligned as between the two sides of said disk.
2. A dental polishing disk adapted for mounting on a mandrel and comprising a dished thin round stiff sheet and abrasive material coating only peripheral arcuate areas of said sheet spaced by other peripheral areas free from abrasive material, the center of said sheet inside said peripheral areas being likewise free from abrasive material, said disk being provided with peripheral areas on both sides thereof free from abrasive material and aligned as between the two sides of said disk.
3. A dental polishing disk adapted for mounting on a mandrel and comprising a thin round stiff sheet and abrasive material on both sides of said sheet coating only peripheral arcuate areas of said sheet spaced by other peripheral areas free from abrasive material, said peripheral areas free from abrasive material being aligned as between the two sides of said disk, the center of said sheet inside said peripheral areas being likewise free from abrasive material.
4. A dental polishing disk adapted for mounting on a mandrel and comprising a dished thin round stitf sheet and abrasive material on both sides of said sheet coating only peripheral arcuate areas of said sheet spaced by other peripheral areas free from abrasive material, said peripheral areas free from abrasive material being aligned as between the two sides of said disk, the center of said sheet inside said peripheral areas being likewise free from abrasive material.
5. A dental polishing disk adapted for mounting on a mandrel and comprising a thin round stiff sheet and abrasive material coating only peripheral arcuate areas of said sheet spaced by other peripheral areas free from abrasive material, the center of said sheet inside said peripheral areas being likewise free from abrasive material, said disk being provided with peripheral areas on both sides thereof free from abrasive material and aligned as between the two sides of said disk, said disk further comprising a polishing composition coating the center of said sheet inside said peripheral areas as a layer thinncr than said coating of abrasive material.
6. A dental polishing disk adapted for mounting on a mandrel and comprising a dished thin round stitf sheet and abrasive material coating only peripheral arcuate areas of said sheet spaced by other peripheral areas free from abrasive material, the center of said sheet inside said peripheral areas being likewise free from abrasive material, said disk being provided with peripheral areas on both sides thereof free from abrasive material and aligned as between the two sides of said disk, said disk further comprising a polishing composition coating the center of said sheet inside said peripheral areas as a layer thinner than said coating of abrasive material.
7. A dental polishing disk adapted for mounting on a mandrel and comprising a thin round stitf sheet and abrasive material on both sides of said sheet coating only peripheral arcuate areas of said sheet spaced by other peripheral areas free from abrasive material, said peripheral areas free from abrasive material being aligned as between the two sides of said disk, the center of said sheet inside said peripheral areas being likewise free from abrasive material, said disk further comprising a polishing composition coating the center of said sheet inside said peripheral areas as a layer thinner than said coating of abrasive material.
References Cited in the file of this patent UNITED STATES PATENTS 471,887 Park Mar. 29, 1892 1,042,039 Schlund Oct. 22, 1912 2,334,642 Moore Nov. 16, 1943
US573192A 1956-03-22 1956-03-22 Dental polishing disk Expired - Lifetime US2842844A (en)

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Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2996852A (en) * 1958-06-06 1961-08-22 Pres On Abrasives Inc Abrading tool
US3164855A (en) * 1960-08-01 1965-01-12 American Felt Co Polishing pad assembly for a glass polishing head
US4055897A (en) * 1976-03-11 1977-11-01 Minnesota Mining And Manufacturing Company Dental abrading device and method
US4554765A (en) * 1983-03-03 1985-11-26 Grimes Philip M Coated abrasive disc
US4653236A (en) * 1984-03-12 1987-03-31 Grimes Philip M Coated abrasive disc
US4830615A (en) * 1987-07-02 1989-05-16 Goldstein Ronald E Two-grit cutting and polishing instruments
US5310342A (en) * 1993-02-19 1994-05-10 Bernstein Stuart H Rotary tool for shaping replacement teeth
EP0832614A1 (en) * 1996-09-25 1998-04-01 HAWE NEOS DENTAL Dr. H. V. WEISSENFLUH AG Grinding disc for dental application
EP0950381A1 (en) * 1998-02-18 1999-10-20 HAWE NEOS DENTAL Dr. H. V. WEISSENFLUH AG Dental device with abrasive disc and mandrel and method for the manufactoring of an abrasive disc
US6254468B1 (en) * 1998-07-13 2001-07-03 Identoflex Ag Method for the manufacture of dental tools for the treatment of surfaces
US6312257B1 (en) * 1999-09-20 2001-11-06 Hawe Neos Dental Dr. H. V. Weissenfluh Ag Brush for use in restorative dentistry
US20030181154A1 (en) * 2002-03-21 2003-09-25 Fischer Dan E. Fiber flocked dental polishing tips
US20060019218A1 (en) * 2004-07-20 2006-01-26 Kuo Eric E Combined interproximal reduction (IPR) disc/measurement tool
US11284965B1 (en) * 2020-11-04 2022-03-29 David Galler Interproximal reduction tool and method

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US471887A (en) * 1892-03-29 Dental-disk holder
US1042039A (en) * 1911-10-18 1912-10-22 Jacob Benjamin Schlund Dental disk-guide.
US2334642A (en) * 1942-08-03 1943-11-16 Ted C Beshear Abrasive tool

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US471887A (en) * 1892-03-29 Dental-disk holder
US1042039A (en) * 1911-10-18 1912-10-22 Jacob Benjamin Schlund Dental disk-guide.
US2334642A (en) * 1942-08-03 1943-11-16 Ted C Beshear Abrasive tool

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2996852A (en) * 1958-06-06 1961-08-22 Pres On Abrasives Inc Abrading tool
US3164855A (en) * 1960-08-01 1965-01-12 American Felt Co Polishing pad assembly for a glass polishing head
US4055897A (en) * 1976-03-11 1977-11-01 Minnesota Mining And Manufacturing Company Dental abrading device and method
US4554765A (en) * 1983-03-03 1985-11-26 Grimes Philip M Coated abrasive disc
US4653236A (en) * 1984-03-12 1987-03-31 Grimes Philip M Coated abrasive disc
US4830615A (en) * 1987-07-02 1989-05-16 Goldstein Ronald E Two-grit cutting and polishing instruments
US5310342A (en) * 1993-02-19 1994-05-10 Bernstein Stuart H Rotary tool for shaping replacement teeth
EP0832614A1 (en) * 1996-09-25 1998-04-01 HAWE NEOS DENTAL Dr. H. V. WEISSENFLUH AG Grinding disc for dental application
EP0950381A1 (en) * 1998-02-18 1999-10-20 HAWE NEOS DENTAL Dr. H. V. WEISSENFLUH AG Dental device with abrasive disc and mandrel and method for the manufactoring of an abrasive disc
US6019603A (en) * 1998-02-18 2000-02-01 Hawe Neos Dental Dr. H. V. Weissenfluh Ag Dental instrument comprising an abrasive disk and a spindle, and process for manufacturing an abrasive disk
US6254468B1 (en) * 1998-07-13 2001-07-03 Identoflex Ag Method for the manufacture of dental tools for the treatment of surfaces
US6312257B1 (en) * 1999-09-20 2001-11-06 Hawe Neos Dental Dr. H. V. Weissenfluh Ag Brush for use in restorative dentistry
US20030181154A1 (en) * 2002-03-21 2003-09-25 Fischer Dan E. Fiber flocked dental polishing tips
US6964603B2 (en) * 2002-03-21 2005-11-15 Ultradent Products, Inc. Fiber flocked dental polishing tips
US20060019218A1 (en) * 2004-07-20 2006-01-26 Kuo Eric E Combined interproximal reduction (IPR) disc/measurement tool
US11284965B1 (en) * 2020-11-04 2022-03-29 David Galler Interproximal reduction tool and method
US11896448B2 (en) 2020-11-04 2024-02-13 David Galler Interproximal reduction tool and method

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