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1. (WO2014018166) POROUS DENTAL IMPLANT
ملاحظة: نص مبني على عمليات التَعرف الضوئي على الحروف. الرجاء إستخدام صيغ PDF لقيمتها القانونية

THE CLAIMED INVENTION IS:

1. An implant comprising:

a core, having a head portion and a stem portion extending from the head portion, the stem portion including an intermediate threaded section;

a first porous section located along the stem portion; and

a second porous section located along the stem portion, wherein the intermediate threaded section of the stem separates the first porous section from the second porous section.

2. The implant of claim 1, wherein the first porous section and the second porous section respectively include first and second porous sleeves disposed around the stem portion.

3. The implant of any one of claims 1 or 2, wherein the first porous section has a greater diameter than the second porous section.

4. The implant of any one of claims 1 through 3, wherein the first porous section is located toward a coronal end of the implant and the second porous section is located toward an apical end of the implant.

5. The implant of any one of claims 1 through 4, including a third porous section located along the stem portion.

6. The implant of claim 5, wherein the stem includes a second, intermediate threaded section separate from the intermediate threaded section and the second intermediate threaded section separates the third porous section from the second porous section.

7. The implant of any one of claims 1 through 6, wherein the intermediate threaded section is non-porous.

8. The implant of any one of claims 1 through 7, wherein the first porous section includes a porous tantalum sleeve disposed around the stem portion and the second porous section includes a porous tantalum sleeve disposed around the stem portion.

9. The implant of any one of claims 1 through 8, wherein the stem portion includes a first, coronal threaded section, the intermediate threaded section, and a third apical threaded section.

10. The implant of any one of claims 1 through 9, wherein the first porous section and the second porous section respectively include first and second porous metallic sleeves disposed around the stem portion.

11. The implant of claim 10, wherein the first and second porous metallic sleeves include porous tantalum, porous titanium, or porous niobium sleeves.

12. An implant comprising:

a core, having a head portion, including an abutment interface, and a stem portion, extending from the head portion, the stem portion including a first, coronal threaded section, an intermediate threaded section, and a third, apical threaded section;

a first porous metallic sleeve disposed around the stem portion;

a second porous metallic sleeve disposed around the stem portion, wherein the intermediate threaded section of the stem portion separates the first porous metallic sleeve from the second porous metallic sleeve; and

wherein the first porous metallic sleeve is located toward a coronal end of the implant and the second porous metallic sleeve is located toward an apical end of the implant.

13. The implant of claim 12, wherein the first porous metallic sleeve has a greater diameter than the second porous metallic sleeve.

14. The implant of any one of claims 12 or 13, including a third porous metallic sleeve disposed around the stem portion.

15. The implant of claim 14, wherein the stem portion includes a second, intermediate threaded section separate from the intermediate threaded section, and wherein the second intermediate threaded section separates the third porous metallic sleeve from the second porous metallic sleeve.

16. The implant of any one of claims 12 through 15, wherein the first, coronal threaded section, the intermediate threaded section, and the third, apical threaded section are non-porous.

17. The implant of any one of claims 12 through 16, wherein the first porous metallic sleeve includes a porous tantalum sleeve and the second porous metallic sleeve includes a porous tantalum sleeve.

18. The implant of any one of claims 12 through 17, wherein the first, coronal threaded section has a greater diameter than the intermediate threaded section, and the intermediate threaded section has a greater diameter than the third, apical threaded section.

19. The implant of any one of claims 12 through 18, wherein the first and second porous metallic sleeves include porous tantalum, porous titanium, or porous niobium sleeves.

20. A method comprising:

inserting a dental implant into a mouth such that a first threaded apical section contacts an osteotomy wall;

further inserting the dental implant such that an apical porous section contacts the osteotomy wall;

further inserting the implant such that an intermediate threaded section contacts the osteotomy wall; and

further inserting the implant such that a coronal porous section contacts the osteotomy wall.

21. The method of claim 20, wherein the apical porous section has a smaller diameter than the coronal porous section.