Method for making and using a template for a dental implant osteotomy and components relating thereto

• US 5,556,278 A
• Filed: 09/07/1994
• Issued: 09/17/1996
• Est. Priority Date: 09/07/1994
• Status: Expired due to Term

• Current Assignee: Meitner, Sean W.
• Original Assignee: Meitner, Sean W.
• Inventors: Meitner, Sean W.
• Primary Examiner(s): WEHNER, CARY ELLEN
• Application Number:
  US08/302,344
• Time in Patent Office: 741 Days
• Field of Search: 433/72, 433/74, 433/75, 433/76, 433/213
• US Class Current: 433/75
• CPC Class Codes: A61C 1/084 of implanting tools

Abstract

A method for making a template for use in a dental implant recipient'"'"'s mouth whereby the template includes a guide sleeve for orienting a drill bit in a desired location and angulation for making an implant osteotomy in the recipient'"'"'s maxilla or mandible. The method includes the steps of making a cast impression of the recipient'"'"'s arch, drilling a hole in the cast arch substantially corresponding to the prospective osteotomy, inserting a guide post in the hole, locating a guide sleeve over the guide post; applying a resinous, template forming material on the cast arch around the guide sleeve; allowing the template material to cure to form the template; removing the guide post from the cast arch; removing the cured template from the cast arch and placing it in the patient'"'"'s mouth; and radiographically visualizing the guide sleeve in the patient'"'"'s mouth.

Claims

1. A method for locating a dental implant osteotomy in an edentulous space of a patient'"'"'s mandible or maxilla, comprising the steps of:

forming a cast arch including the edentulous space;

temporarily locating a diagnostic tooth set-up in the edentulous space of the cast arch corresponding to a desired location of a prosthetic tooth in the edentulous space of the patient'"'"'s mandible or maxilla; and

drilling a hole through the tooth set-up and into the cast arch wherein the location and orientation of the hole correspond to an optimum location and orientation of the dental implant osteotomy.

2. The method according to claim 1 in which the step of forming a cast arch including the edentulous space includes casting an impression of a tooth adjacent one side of the edentulous space where the dental implant will be located.

3. The method according to claim 1 in which the step of forming a cast arch including the edentulous space includes casting an impression of at least one tooth adjacent one sides of the edentulous space where the implant will be located, and of at least one tooth adjacent another side of the edentulous space.

4. The method of claim 1, further comprising the steps of:

removing the drilled-through tooth set-up from the cast arch;

inserting a guide post into the hole;

locating a guide sleeve over a projecting part of the guide post;

applying a template forming, molding material over a selected region of the cast arch and around the guide sleeve;

allowing the molding material to cure;

removing the guide post from the cast arch; and

removing the cured template including the guide sleeve embedded therein from the cast arch,

whereby using the template in the patient'"'"'s mouth provides a guide means for drilling the osteotomy.

5. The method of claim 4 further comprising applying a layer of a non-bonding, separating medium over a selected region of the cast arch including the edentulous space and adjacent regions where a template forming material will be applied prior to applying the template forming, molding material to the arch.

6. The method according to claim 4 in which the step of forming a cast arch including the edentulous space includes casting an impression of a tooth adjacent one side of the edentulous space where the dental implant will be located.

7. The method according to claim 4 in which the step of forming a cast arch including the edentulous space includes casting an impression of at least one tooth adjacent one side of the edentulous space where the implant will be located, and of at least one tooth adjacent another side of the edentulous space.

8. The method according to claim 4, further comprising the step of radiographically visualizing the location and orientation of the guide sleeve seated in the template positioned in the patient'"'"'s mouth.

9. The method according to claim 8 in which the step of radiographically visualizing the location and orientation of the guide sleeve comprises making one of a Panorex radiograph, a periapical x-ray, a linear tomograph and a CAT scan.

10. A method according to claim 4 wherein the molding material comprises a curable resin.

11. A method according to claim 10 wherein the curable resin comprises one of a self-curing resin and a light-curing resin.

12. A method for making a template for use in a patient'"'"'s mouth for locating more than one dental implant osteotomy in two or more edentulous spaces of the patient'"'"'s mandible or maxilla, comprising the steps of:

forming a cast arch including more than one edentulous space;

temporarily locating a diagnostic tooth set-up in each edentulous space of the cast arch corresponding to a desired location of a prosthetic tooth in each edentulous space of the patient'"'"'s mandible or maxilla;

drilling a hole through each of the tooth set-ups and into the cast arch wherein the location and orientation of each of the holes correspond to a desired location and orientation of each of the dental implant osteotomies;

removing the drilled-through tooth set-ups from the cast arch;

inserting a guide post into each hole;

locating a guide sleeve over a projecting part of each of the guide posts;

applying a template forming, molding material to selected regions of the cast arch and around the guide sleeves;

allowing the molding material to cure;

removing all but at most one of the guide posts from the cast arch; and

removing the cured template including the guide sleeves embedded therein from the cast arch,

whereby using the template in the patient'"'"'s mouth the guide sleeves provide guide means for drilling the osteotomies.

13. The method according to claim 12 further comprising applying a layer of a non-bonding, separating medium over a selected region of the cast including the edentulous spaces and adjacent regions where a template forming material will be applied.

14. The method according to claim 12 in which the step of obtaining a cast arch including the more than one edentulous space includes casting an impression of a tooth adjacent one side of each of the edentulous spaces where the dental implant will be located.

15. The method according to claim 12 in which the step of obtaining a cast arch including the more than one edentulous space includes casting an impression of at least one tooth adjacent one side of each of the edentulous spaces where the implant will be located, and of at least one tooth adjacent another side of the edentulous spaces.

16. The method according to claim 12, further comprising the step of radiographically visualizing the location and orientation of the guide sleeves seated in the template positioned in the patient'"'"'s mouth.

17. The method according to claim 16 in which the step of radiographically visualizing the Location and orientation of the guide sleeves comprises making one of a Panorex radiograph, a periapical x-ray, a linear tomograph and a CAT scan.

18. A method according to claim 12 wherein the molding material comprises a curable resin.

19. The method according to claim 18 wherein the curable resin comprises one of a self-curing and a light-curing resin.

20. A template for locating a dental implant osteotomy in a patient'"'"'s mandible or maxilla having an edentulous space, comprising:

a cured, resinous base having an impression of the patient'"'"'s mandible or maxilla including the edentulous space;

a guide sleeve at least partially embedded in the base and projecting through a top surface thereof, having a bore sufficient to receive a drill bit for making the osteotomy, in which the sleeve is fixed in the base in a position and at an angle corresponding to the optimum position and angle of the osteotomy; and

a set of wing members projecting transversely from a rear surface of the guide sleeve.

21. The template of claim 20 in which the guide sleeve is a cylinder having a straight cut base end and a terminal end.

22. The template of claim 21 in which the terminal end is straight cut.

23. The template of claim 21 in which the terminal end is diagonally cut.

24. The template of claim 23 a second set of wing members disposed on the rear surface of the sleeve parallel to the set of wing members.

25. The template of claim 20 in which the guide sleeve is constructed from one of stainless steel and titanium.

26. The template of claim 20 in which the guide sleeve is ceramic.

27. The template of claim 20 in Which the guide sleeve has a slot in a front surface of the guide sleeve and spaced apart from the end of the sleeve.

28. The template of claim 27 which the slot is longitudinally oriented in the sleeve.

29. Apparatus used in forming a template for locating a dental implant osteotomy in a patient'"'"'s mandible or maxilla, comprising:

a cylindrical guide post including a first section having a first diameter and a first length, and a second section having a second length extending from an end of the first section and having an enlarged portion with a second diameter greater than the first diameter; and

a guide sleeve having a cylindrical bore with diameter greater than the second diameter and a length less than or equal to the second length.

30. The apparatus of claim 29 in which the second section further comprises a reduced portion having a diameter less than the diameter of the enlarged portion, extending from and end of the enlarged portion of the second section remote from the first section.

31. The apparatus of claim 29 in which the guide sleeve is a cylinder having a straight cut base end and a terminal end.

32. The apparatus of claim 31 in which the terminal end is straight cut.

33. The apparatus of claim 31 in which the terminal end is diagonally cut.

34. The apparatus of claim 29 in which the guide sleeve is ceramic.

35. The apparatus of claim 29 in which the guide sleeve is one of stainless steel and titanium.

36. The apparatus of claim 29 in which the guide sleeve includes a set of wing members projecting transversely from a rear surface of the sleeve.

37. The apparatus of claim 29 in which the guide sleeve has a slot in a front surface of the guide sleeve and spaced apart from the end of the sleeve.

38. The apparatus of claim 37 in which the slot is longitudinally oriented in the sleeve.

39. A template for locating a dental implant osteotomy in a patient'"'"'s mandible or maxilla having an edentulous space, comprising:

a cured, resinous base having an impression of the patient'"'"'s mandible or maxilla including the edentulous space;

a guide sleeve at least partially embedded in the base in a position and at an angle corresponding to the optimum position arid angle of the osteotomy and projecting through a top surface thereof, having a bore sufficient to receive a drill bit for making the osteotomy, in which the sleeve is fixed in the base; and

a slot in a front surface of the guide sleeve and spaced apart from the end of the sleeve.

40. The template of claim 39 in which the guide sleeve is a cylinder having a straight cut base end and a terminal end.

41. The template of claim 40 in which the terminal end is straight cut.

42. The template of claim 41 in Which the terminal end is diagonally cut.

43. Apparatus used in forming a template for locating a dental implant osteotomy in a patient'"'"'s mandible or maxilla, comprising:

a cylindrical guide post including a first section having a first diameter and a second section extending from an end of the first section having a second diameter greater than the first diameter; and

a guide sleeve having a cylindrical bore with a diameter greater than the second diameter; and

a set of wing members disposed intermediate the ends of the guide sleeve and projecting transversely from a rear surface of the guide sleeve.

44. Apparatus used in forming a template for locating a dental implant osteotomy in a patient'"'"'s mandible or maxilla, comprising:

a cylindrical guide post including a first section having a first diameter and a second section extending from an end of the first section having a second diameter greater than the first diameter; and

a guide sleeve having a cylindrical bore with a diameter greater than the second diameter; and

a slot in a front surface of the guide sleeve and spaced apart from the end of the sleeve.