Claims
- 1. A dental post for insertion into a bore of a tooth which comprises:
- a bottom section,
- a stem attached to said bottom section having at least one slot extending lengthwise through said stem to form a plurality of spaced apart legs said legs being substantially parallel to each other and being free of a prestress force,
- at least one of said legs having a wing section extending radially from an outside surface of said legs a distance to fit within an indentation in a wall of said bore in the absence of a force on said legs,
- each of said wing sections having cutting surfaces adapted to form indentations in said wall when said dental post is rotated or oscillated in contact with said wall,
- each of said legs having a length such that a free end of said leg extends beyond a top surface of a tooth when inserted into a bore in said tooth,
- and said legs being movable relative to each other when subjected to a compression force at said free ends such that said wings are removed from an indentation in said wall.
- 2. The dental post of claim 1 wherein said bottom section includes an indentation extending about its periphery between a bottom surface of said post and a connection between said stem and said bottom section.
- 3. The dental post of claim 2 wherein at least one of said legs has a plurality of said wings.
- 4. The dental post of claim 2 wherein at least one wing on each leg is at essentially the same vertical position as a wing on a second leg.
- 5. The dental post of claim 2 wherein a surface of said legs is roughened.
- 6. The dental post of claim 1 wherein at least one of said legs has a plurality of said wings.
- 7. The dental post of claim 1 wherein at least one wing on each leg is at essentially the same vertical position as a wing on a second leg.
- 8. The dental post of claim 1 wherein a surface of said legs is roughened.
- 9. The dental post of claim 1 wherein said post includes second wings extending from said legs at a position above a top surface of said tooth, said second wings being free of cutting surfaces.
- 10. The dental post of any one of claims 1, 2, 6, 3, 7, 4, 8, 5 or 9 having two legs.
- 11. The dental post of any of claims 1, 2, 6, 3, 7, 4, 8, 5 or 9 and further including a kit further comprising:
- a. a first bur having a cylindrical shaft having a first end surface, a second end surface and an intermediate surface between said first end surface and said second end surface, said intermediate surface comprising a cutting surface,
- and b. a second bur having a cylindrical shaft having an intermediate smooth surface, a first end having a diameter greater than said intermediate smooth surface and having a surface comprising a cutting surface and a second end comprising a cutting surface to form a flat surface on a bottom surface within a bore of a tooth.
- 12. The dental post of any one of claims 1, 2, 6, 3, 7, 4, 8, 5 or 9 and further including a kit further comprising:
- a. a first bur having a cylindrical shaft having a first end surface, a second end surface and an intermediate surface between said first end surface and said second end surface, said intermediate surface comprising a cutting surface,
- b. a second bur having a cylindrical shaft having an intermediate smooth surface, a first end having a diameter greater than said intermediate smooth surface and having a surface comprising a cutting surface and a second end comprising a cutting surface to form a flat surface on a bottom surface within a bore of a tooth,
- and c. a template comprising a stem and plate attached to said stem, said stem having a size which permits insertion of said stem within a bore of a tooth, said plate having a first set of holes and a second set of holes, said first set of holes permitting communication of a bur with said bore and a top surface of said tooth and said second set of holes permitting communication of a bur with said top surface of said tooth while preventing communication with said bore.
- 13. The dental post of claim 12 wherein said plate of said template includes guide means for a bur to form a hole having parallel surfaces in communication with said bore.
- 14. The dental post of any one of claims 1, 2, 6, 3, 7, 4, 8, 5 or 9 and further comprising a kit further comprising:
- a: a first bur having a cylindrical shaft having a first end surface, a second end surface and an intermediate surface between said first end surface and said end surface, said intermediate surface comprising a cutting surface,
- b. a second bur having a cylindrical shaft having an intermediate smooth surface, a first end having a diameter greater than said intermediate smooth surface and having a surface comprising a cutting surface and a second end comprising a cutting surface to form a flat surface stem having a size which permits insertion of said stem within a bore of a on a bottom surface within a bore of a tooth,
- c. a template comprising a stem and plate attached to said stem, said tooth, said plate having a first set of holes and a second set of holes, said first set of holes permitting communication of a bur with said bore and a top surface of said tooth and said second set of holes permitting communication of a bur with said top surface of said tooth while preventing communication with said bore,
- and d. a core of a size to be positioned on a top surface of a tooth, said core having a second bore of a size to permit a portion of said dental post extending above said tooth to be positioned within said second bore, said core having a plurality of legs of a size to be positioned with holes formed by a bur in said second set of holes in said template plate.
- 15. The dental post of claim 14 wherein said plate of said template includes guide means for a bur to form a hole having parallel surfaces in communication with said bore.
- 16. The dental post of any one of claims 1, 2, 6, 3, 7, 4, 8, 5 or 9 and further comprising a kit further comprising:
- a. a first bur having a cylindrical shaft having a first end surface, a second end surface and an intermediate surface between said first end surface and said end surface, said intermediate surface comprising a cutting surface,
- b. a second bur having a cylindrical shaft having an intermediate smooth surface, a first end having a diameter greater than said intermediate smooth surface and having a surface comprising a cutting surface and a second end comprising a cutting surface to form a flat surface on a bottom surface within a bore of a tooth,
- c. a template comprising a stem and plate attached to said stem, said stem having a size which permits insertion of said stem within a bore of a tooth, said plate having a first set of holes and a second set of holes, said first set of holes permitting communication of a bur with said bore and a top surface of said tooth and said second set of holes permitting communication of a bur with said top surface of said tooth while preventing communication with said bore,
- d. a core of a size to be positioned on a top surface of a tooth, said core having a second bore of a size to permit a portion of said dental post extending above said tooth to be positioned within said second bore, said core having a plurality of legs of a size to be positioned with holes formed by a bur in said second set of holes in said template plate,
- and e. a key structure of a size and shape to fit within said slot of said post in a portion of said post extending above said tooth.
- 17. The dental post of claim 16 wherein said plate of said template includes guide means for a bur to form a hole Chalifoux having parallel surfaces in communication with said bore.
- 18. The dental post of claim 16 wherein said core includes second slots within said second bore and a portion of said key fits within said second slots.
- 19. The dental post of any one of claims 1, 2, 6, 3, 7, 6, 7, 8 or 9 further comprising a template attached to said legs between said free end of said legs and said wing sections having cutting surfaces.
- 20. The dental post of any one of claims 1, 2, 6, 3, 7, 4, 8, 5 or 9 further comprising two legs and a template attached to said legs between said free end of said legs and said wing sections having cutting surfaces.
- 21. A dental post for insertion into a bore of a tooth which comprises:
- a top section
- a stem attached to said top section having at least one slot extending lengthwise through said stem to form a plurality of spaced apart legs, said legs being substantially parallel to each other and being free of a prestressed force,
- at least one of said legs having a wing section extending radially from an outside surface of said legs a distance to fit within an indentation in a wall of said bore in the absence of a force on said legs,
- each of said wing sections having cutting surfaces adapted to form indentations in said wall when said dental post is rotated or oscillated in contact with said wall,
- each of said legs having a length such that said top section extends beyond a top surface of a tooth when inserted into a bore in said tooth,
- and said legs being movable relative to each other when subjected to a compression force at said free ends such that said wings are removed from an indentation in said wall.
- 22. The dental post of claim 21 wherein at least one of said legs has a plurality of said wings.
- 23. The dental post of claim 21 wherein at least one wing on each leg is at essentially the same vertical position as a wing on a second leg.
- 24. The dental post of claim 21 wherein a surface of said legs is roughened.
- 25. The dental post of claim 21 wherein said post includes second wings extending from said top section at a position above a top surface of said tooth, said second wings being free of cutting surfaces.
- 26. The dental post of any one of claims 21, 22, 23, 24 or 25 further comprising a template attached to said top section.
- 27. The dental post of any one of claims 21, 22, 23, 24 or 25 further comprising two legs and a template attached to said top section.
- 28. The dental post of any one of claims 21, 22, 23, 24 or 25 and further including a kit further comprising:
- a. a first bur having a cylindrical shaft having a first end surface, a second end surface, and an intermediate surface between said first end surface and said second end surface comprising a cutting surface,
- and b. a second bur having a cylindrical shaft having an intermediate smooth surface, a first end having a diameter greater than said intermediate smooth surface and having a surface comprising a cutting surface and a second end comprising a cutting surface to form a flat surface on a bottom surface within a bore of a tooth.
- 29. The dental post of any one of claims 21, 22, 23, 24 or 25 and further including a kit further comprising:
- a. a first bur having a cylindrical shaft having a first end surface, a second end surface and an intermediate surface between said first end surface and said second end surface, said intermediate surface comprising a cutting surface,
- b. a second bur having a cylindrical shaft having an intermediate smooth surface, a first end having a diameter greater than said intermediate smooth surface and having a surface comprising a cutting surface and a second end comprising a cutting surface to form a flat surface on a bottom surface within a bore of a tooth,
- and c. a template comprising a stem and plate attached to said stem, said stem having a size which permits insertion of said stem within a bore of a tooth, said plate having a first set of holes and a second set of holes, said first set of holes permitting communication of a bur with said bore and a top surface of said tooth and said second set of holes permitting communication of a bur with said top surface of said tooth while preventing communication with said bore.
- 30. The dental post of claim 29 wherein said plate of said template includes guide means for a bur to form a hole having parallel surfaces in communication with said bore.
- 31. The dental post of any one of claims 21, 22, 23, 24 or 25 and further including a kit further comprising:
- a. a first bur having a cylindrical shaft having a first end surface, a second end surface and an intermediate surface between said first end surface and said end surface, said intermediate surface comprising a cutting surface,
- b. a second bur having a cylindrical shaft having an intermediate smooth surface, a first end having a diameter greater than said intermediate smooth surface and having a surface comprising a cutting surface and a second end comprising a cutting surface to form a flat surface on a bottom surface within a bore of a tooth,
- c. a template comprising a stem and plate attached to said stem, said stem having a size which permits insertion of said stem within a bore of a tooth, said plate having a first set of holes and a second set of holes, said first set of holes permitting communication of a bur with said bore and a top surface of said tooth and said second set of holes permitting communication of a bur with said top surface of said tooth while preventing communication with said bore,
- and d. a core of a size to be positioned on a top surface of a tooth, said core having a second bore of a size to permit a portion of said dental post extending above said tooth to be positioned within said second bore, said core having a plurality of legs of a size to be positioned within holes formed by a bur in said second set of holes in said template plate.
- 32. The dental post of claim 31 wherein said plate of said template includes guide means for a bur to form a hole having parallel surfaces in communication with said bore.
- 33. The dental post of any one of claims 21, 22, 23, 24 or 25 and further including a kit further comprising:
- a. a first bur having a cylindrical shaft having a first end surface, a second end surface and an intermediate surface between said first end surface and said end surface, said intermediate surface comprising a cutting surface,
- b. a second bur having a cylindrical shaft having an intermediate smooth surface, a first end having a diameter greater than said intermediate smooth surface and having a surface comprising a cutting surface and a second end comprising a cutting surface to form a flat surface on a bottom surface within a bore of a tooth,
- c. a template comprising a stem and plate attached to said stem, said stem having a size which permits insertion of said stem within a bore of a tooth, said plate having a first set of holes and a second set of holes, said first set of holes permitting communication of a bur with said bore and a top surface of said tooth and said second set of holes permitting communication of a bur with said top surface of said tooth while preventing communication with said bore,
- d. a core of a size to be positioned on a top surface of a tooth, said core having a second bore of a size to permit a portion of said dental post extending above said tooth to be positioned within said second bore, said core having a plurality of legs of a size to be positioned with holes formed by a bur in said second set of holes in said template plate,
- e. a key structure of a size and shape to fit within said slot of said post in a portion of said post extending above said tooth.
- 34. The dental post of claim 33 wherein said plate of said template includes guide means for a bur to form a hole having parallel surfaces in communication with said bore.
- 35. The dental post of claim 33 wherein said core includes second slots within said second bore and a portion of said key fits within said second slots.
REFERENCE TO RELATED APPLICATION
This application is a continuation-in-part of application Ser. No. 07/739,670, filed Aug. 3, 1991, now U.S. Pat. No. 5,277,583.
US Referenced Citations (10)
Foreign Referenced Citations (2)
Number |
Date |
Country |
744398 |
Nov 1943 |
DEX |
21126 |
Feb 1911 |
NOX |
Continuation in Parts (1)
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Number |
Date |
Country |
Parent |
739670 |
Aug 1991 |
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