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1. WO2003017862 - SYSTEMES D'ANALOGUES DENTAIRES FIXES

Note: Texte fondé sur des processus automatiques de reconnaissance optique de caractères. Seule la version PDF a une valeur juridique

[ EN ]

I Claim:
1. An anchored anti-rotation analog post for preparing
dental crown for insertion into the mouth of patient, said analog post comprising:
an elongated pin having opposite top and bottom ends;
said pin having at least one anti-rotation anchoring
projection extending discretely and radially from said pin near said bottom end thereof .
2. The device of claim 1 wherein said pin has a circular cross-section.
3. The device of claim 1 wherein said pin has an elliptical cross-section.
4. The device of claim 1 wherein said pin has a polygonal cross-section.
5. The device of claim 4 wherein said pin has a triangular cross-section.
6. The device of claim 4 wherein said pin has a square
cross-section.
7. The device of claim 4 wherein said pin has a rectangular cross-section.
8. The device of claim 4 wherein said pin has a hexagonal cross-section.
9. The device of Claim 1 wherein said at least one
anchoring projection comprises a pair of opposing
radially extending projections.
10. The device of Claim 1 wherein said at least one
anchoring projection comprises at least two pairs of
opposing radially extending projections.
11. The device of Claim 9 wherein said at least two pairs of said opposing radially extending projections are spaced apart longitudinally on said pin near said bottom end thereof .
12. The device of Claim 9 wherein said at least one pair of opposing radially extending anchoring projections
comprises rigid loops .
13. The device of Claim 9 wherein said at least one pair of opposing radially extending anchoring projections
comprises rigid rods .
14. The device of Claim 9 wherein said at least one pair of opposing radially extending anchoring projections
comprises rigid plates having a center slot, said center slot disposed in a matching slot disposed in the lower end of said pin, said lower-end pin slots for receiving and securing said rigid plates.
15. The device of Claim 9 wherein said at least one pair of opposing radially extending anchoring projections
comprises rigid serrated barbs.
16. The device of Claim 15 wherein said barbs are tapered to have a smaller radial extension toward the lower end of said pin.
17. The device of Claim 15 wherein said barbs are tapered to have a smaller radial extension toward the upper end of said pin.
18. The device of Claim 10 wherein said at least two pairs of said opposing radially extending projections are
spaced apart longitudinally on said pin near said bottom end thereof.
19. The device of Claim 10 wherein said at least one pair of opposing radially extending anchoring projections
comprises rigid loops .
20. The device of Claim 10 wherein said at least one pair of opposing radially extending anchoring projections
comprises rigid rods.
21. The device of Claim 10 wherein said at least one pair of opposing radially extending anchoring projections
comprises rigid plates having a center slot, said center slot disposed in a matching slot disposed in the lower end of said pin, said lower-end pin slots for receiving and securing said rigid plates.
22. The device of Claim 10 wherein said at least one pair of opposing radially extending anchoring projections
comprises rigid serrated barbs.
23. The device of Claim 22 wherein said barbs are tapered to have a smaller radial extension toward the lower end of said pin.
24. The device of Claim 22 wherein said barbs are tapered to have a smaller radial extension toward the upper end of said pin.
25. The device of claim 9 wherein said pin comprises a
receptacle sleeve for securely receiving a conventional dental crown analog post.
26. The device of claim 10 wherein said pin comprises a
receptacle sleeve for securely receiving a conventional dental crown analog post.
27. A method of preparing dental crowns efficiently and
accurately, comprising the steps of
a. preparing an analog dental crown mounting pin
having at least one pair of radially extending
anchoring extensions disposed near a bottom end of said pin;
b. inserting bottom-end-down said prepared mounting
pin into a dental crown casting mold;
c. securing said prepared mounting pin temporarily in place within said casting mold;
d. adding settable plastic molding material to said
casting mold so as to embed said bottom end of said pin by surrounding said bottom end of said pin with said plastic molding material;
e. allowing said plastic molding material to set and harden with said prepared pin embedded within said molding material;
f . proceeding with conventional steps in dental crown making based upon utilization of said firmly
anchored and secured analog pin.
28. The method of claim 27 wherein said pin comprises at
least one pair of anchoring projections oppositely and radially extending from a bottom end of said pin.
29. The method of claim 27 wherein said pin comprises at
least two pairs of anchoring projections oppositely and radially extending from a bottom end of said pin and
wherein said at least two pairs of said projections are spaced apart longitudinally on said pin near said bottom end thereof .
30. The method of claim 28 wherein said at least one pair of opposing radially extending anchoring projections
comprises rigid loops.
31. The method of claim 28 wherein said at least one pair of opposing radially extending anchoring projections
comprises rigid rods.
32. The method of claim 28 wherein said at least one pair of opposing radially extending anchoring projections
comprises rigid plates having a center slot, said center slot disposed in a matching slot disposed in the lower end of said pin, said lower-end pin slots for receiving and securing said rigid plates .
33. The method of claim 28 wherein said at least one pair of opposing radially extending anchoring projections
comprises rigid serrated barbs.
34. The method of Claim 33 wherein said barbs are tapered to have a smaller radial extension toward the lower end of said pin.
35. The method of Claim 33 wherein said barbs are tapered to have a smaller radial extension toward the upper end of said pin.
36. The method of claim 29 wherein said at least one pair of opposing radially extending anchoring projections
comprises rigid loops .
37. The method of claim 29 wherein said at least one pair of opposing radially extending anchoring projections
comprises rigid rods .
38. The method of claim 29 wherein said at least one pair of opposing radially extending anchoring projections
comprises rigid plates having a center slot, said center slot disposed in a matching slot disposed in the lower end of said pin, said lower-end pin slots for receiving and securing said rigid plates.
39. The method of claim 29 wherein said at least one pair of opposing radially extending anchoring projections
comprises rigid serrated barbs .
40. The method of Claim 39 wherein said barbs are tapered to have a smaller radial extension toward the lower end of said pin.
41. The method of Claim 39 wherein said barbs are tapered to have a smaller radial extension toward the upper end of said pin.
42. A dental tray for holding impression mold material for a patient to bite and leave a mirror image of said bite comprising:
a pair of hollowed out right and left wings forming a trough holding said impression mold material therein; and
at least one punchout formed in one of said wings to allow for the spacing and protrusion of at least one implant impression coping protruding upwardly from an implant within the jaw of the patient, said implant having a mating joint joinable to said at least one
impression coping.
43. The dental tray as in Claim 42 wherein said at least one punchout is a plurality of punchouts formed in said
wings to allow for the spacing and protrusion of implant impression copings protruding upwardly from implants in the jaw of the patient.
44. The dental tray as in Claim 42 wherein each said
punchout comprises at least one further smaller punchout located within the confines of said at least one
punchout .
45. The dental tray of claim 42 in which said tray has a
handle, said tray and handle being split into a pair of parts joined by at least one fastener.
46. The dental tray as in Claim 45 wherein said at least one removable fastener is a plurality of fasteners joining said wings through a pair of protrusions forming a joint therebetween.
47. A dental tray for holding impression mold material for a patient to bite and leave a mirror image of said bite comprising:
a pair of hollowed out right and left wings forming a trough holding said impression mold material therein; and said tray having a handle, said tray and handle
being split into a pair of parts joined by at least one fastener.
48. The dental tray as in Claim 47 wherein said at least one removable fastener is a plurality of fasteners joining said wings through a pair of protrusions forming a joint therebetween.
49. A transparent guide for accurately locating the position of a future dental implant comprising:
a transparent replica of existing teeth and gums of a patient, said transparent guide having a space
locating a potential position of an implant into the jaw of a patient; and,
said radio opaque sleeve tube engagable with said implant when said implant is installed in the jaw of the patient.
50. The transparent guide as in Claim 49 wherein said radio opaque sleeve tube is used as a structural component of a prosthesis having at least one tooth.
51. A temporary dental frame for a prosthesis made from a bendable material to allow for adjustment as swollen
tissue heals after dental surgery.
52. The dental frame of claim 51 in which said frame is made from bendable nitinol metal.
53. The dental frame of Claim 51 in which said frame is made from a bendable plastic fiber composite.
54. A support frame for strengthening a dental prosthesis with artificial teeth above one or more implants,
comprising:
spaced vertical posts for supporting artificial
teeth on dental implants; and
means connecting said vertical posts by adjustable members allowing for adjustments in spacing between said vertical posts .
55. The support frame as in Claim 54 wherein said
adjustments are adjustments in linear spacing between said posts .
56. The support frame as in Claim 54 wherein said
adjustments are adjustments in angular orientation
between said vertical posts.
57. The support frame as in Claim 54 wherein said
adjustments are adjustments in linear spacing and in angular orientation between said vertical posts .
58. The support frame of claim 54 in which said connecting means have telescoping sections joining said vertical posts.
59. The support frame of claim 54 in which said connecting means are formed from interleaved L-shaped members .

60. The support frame of claim 54 in which said connecting means include a hinge to form angular corners .
61. The support frame of claim 54 in which said connecting means is adaptable for joining three or more vertical posts, each of said vertical posts supporting one
artificial tooth.
62. The support frame of claim 54 in which said connecting means includes semi-cylindrical gutter-type trough
members joining said vertical posts.
63. The support frame of claim 62 in which three or more
teeth are joined by said trough members .
64. The support frame of claim 54 in which said connecting, means includes a C-shaped clasp connector.
65. The support frame of claim 54 in which said connecting means includes a closed loop connector.
66. The support frame of claim 54 in which said adjustable members have openings to permit the injection of a
composite resin fix said support frame any adjusted
position.
67. A dental tray for holding impression mold material for a patient to bite and leave a mirror image of said bite comprising:
a layer of said impression mold material for
obtaining a lower jaw impression;
a wafer for obtaining an upper jaw impression; said wafer being a perforated substrate for supporting
impression mold material thereon, said perforated substrate being a jig for
articulator plates with wax rims to obtain an upper jaw impression above a lower jaw impression.
68. The dental tray of claim 67 in which said wafer includes holes to accommodate protruding impression copings
therethrough.
69. The method of implanting artificial teeth comprising the steps of:
locating the position of an implant;
taking an impression using a moldable material
bitten by a patient to obtain a mirror image of a
portion of a patient's jaw in which said implant will be located by inserting in the mouth an impression tray
containing an impression material with copings;
after biting, removing said tray with the coping
imbedded in the impression material;
producing an impression cast from said impression material ;
placing analog replicas on the copings in the
impression cast to simulate the position of the actual implant in the position in the jaw at the correct angle and orientation;
producing a master cast from the impression cast;
making an impression of an opposite side of the jaw with impression material supported over a hard wafer
substrate acting as an alignment tool between a lower mouth cast and an upper cast, both casts having holes for allowing screws to attach said wafer in place; and
making the artificial teeth.
70. A dental abutment connecting a dental implant in a jaw of a patient with a prosthesis above said implant, said abutment comprising:
a base having a joint joinable to a protruding top joint of said implant,
at least one upwardly extending rod extending
upward from said base platform, said at least one
upwardly extending rod engaging said prosthesis,
said upwardly extending chimney rod joined to said prosthesis by a structural composite material supporting at least one artificial tooth thereon.
71. The dental abutment as in Claim 70 wherein said upwardly extending rod is a hollow chimney accommodating a
fastener therethrough, said fastener connecting said
prosthesis to said implant in the jaw of the patient.

72. The dental abutment as in Claim 70 wherein said at least one rod comprises a pair of rods, one of said rods
structurally supporting a tooth thereon and said other rod being a hollow chimney rod accommodating a fastener therethrough, said fastener connecting said prosthesis to said implant in the jaw of the patient
73. The dental abutment as in Claim 70 wherein said fastener is a double threaded fastener having male threads
extending outward in opposite directions from each
other.
74. A protective cap protecting an exposed portion of a
dental abutment, said protective cap comprising a cup- shaped cap having a hollow interior accommodating a
protruding portion of a dental abutment therein during polishing of a dental prosthesis .