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1. (WO2018144616) DENTAL IMPLANT CROWN ABUTMENT WITH INDEXED MARGIN
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Claims

I claim:

1. A dental implant abutment comprising:

a crown seating portion located toward a first end of the abutment;

a fixture seating portion located toward a second end of the abutment; and a main body located between the crown seating portion and the fixture seating portion, the main body including an external indexing feature located along an outer perimeter of the main body at a transition between the main body and the crown seating portion, the external indexing feature comprising an elevational variance of the outer perimeter of the main body that mates with a visually identifiable elevational variance of a mating surface of a crown with which the dental implant abutment mates.

2. The dental implant abutment of claim 1, wherein the visually identifiable elevational variance of the outer perimeter of the main body extends toward the crown seating portion.

3. The dental implant abutment of claim 1, wherein the visually identifiable elevational variance of the outer perimeter of the main body extends away from the crown seating portion.

4. The dental implant abutment of claim 1, wherein the visually identifiable elevational variance comprises at least two visually identifiable elevational variances of the outer perimeter of the main body.

5. The dental implant abutment of claim 4, wherein the at least two visually identifiable elevational variances comprise at least one visually identifiable elevational variance that extends toward the crown seating portion and at least one visually identifiable elevational variance extends away from the crown seating portion.

6. The dental implant abutment of claim 5, wherein the at least two visually identifiable elevational variances extend toward the crown seating portion.

7. The dental implant abutment of claim 1 wherein, the crown seating portion further includes an internal alignment feature corresponding with an internal alignment surface of the crown with which the dental implant abutment mates such that, when the dental implant abutment alignment surface aligns with the internal alignment surface of the crown, the dental implant abutment indexing feature aligns with the visually identifiable elevational variance of the mating surface of the crown.

8. The dental implant abutment of claim 7, wherein the visually identifiable elevational variance of the outer perimeter of the main body extends toward the crown seating portion.

9. The dental implant abutment of claim 7, wherein the visually identifiable elevational variance of the outer perimeter of the main body extends away from the crown seating portion.

10. The dental implant abutment of claim 7, wherein the visually identifiable elevational variance comprises at least two visually identifiable elevational variances of the outer perimeter of the main body.

11. The dental implant abutment of claim 10, wherein the at least two visually identifiable elevational variances comprise at least one visually identifiable elevational variance that extends toward the crown seating portion and at least one visually identifiable elevational variance extends away from the crown seating portion.

12. The dental implant abutment of claim 10, wherein the at least two visually identifiable elevational variances extend toward the crown seating portion.

13. The dental implant abutment of claim 7, wherein the internal alignment surface of the crown is a flat surface.

14. The dental implant abutment of claim 7 wherein the internal alignment feature of the abutment is a flat surface.

15. A dental implant abutment comprising:

a crown seating portion located toward a first end of the abutment, the crown seating portion comprising an internal alignment feature corresponding with an internal alignment surface of a crown with which the dental implant abutment mates such that, when the internal alignment feature of the abutment aligns with the internal alignment surface of the crown, a dental implant abutment indexing feature aligns with a visually identifiable elevational variance of the mating surface of the crown;

a fixture seating portion located toward a second end of the abutment; and a main body located between the crown seating portion and the fixture seating portion, the main body including the external indexing feature located along an outer perimeter of the main body at a transition between the main body and the crown seating portion, the external indexing feature comprising an elevational variance of the outer perimeter of the main body that mates with a visually identifiable elevational variance of a mating surface of a crown with which the dental implant abutment mates.