DENTAL IMPLANT

• US 3,590,485 A
• Filed: 10/01/1969
• Issued: 07/06/1971
• Est. Priority Date: 10/03/1968
• Status: Expired due to Term

• Current Assignee: Chercheve Michel, Chercheve Raphael, Robert Bordon
• Original Assignee: Chercheve Michel, Chercheve Raphael, Robert Bordon
• Inventors: CHERCHEVE RAPHAEL, CHERCHEVE MICHEL, Bordon, Robert
• Application Number:
  US04/862,809
• Time in Patent Office: 643 Days
• US Class Current: 433/174
• CPC Class Codes: A61C 8/0012 characterised by the material or composition, e.g. ceramics, surface layer, metal alloy use of specific materials A61K6/00
• CPC Class Codes: A61C 8/0022 Self-screwing A61C8/0028 takes precedence
• CPC Class Codes: A61C 8/0075 Implant heads specially designed for receiving an upper structure if separable from the implant A61C8/005

Abstract

Dental implant comprising a central metallic rod encircled by a sleeve of solid animal tooth.

Claims

1. Dental implant comprising a central metallic core encircled by an annular member cut from a solid animal tooth.

2. Implant as claimed in claim 1 in which said animal tooth is a human tooth.

3. Implant as claimed in claim 1 in which the outer end of the annular member is larger in diameter than its inner end.

4. Implant as claimed in claim 1 in which said annular member is provided with a peripheral thread.

5. Implant as claimed in claim 1 having a portion adapted to be seated in a tooth socket, which portion is from 20 to 40 mm. long.

6. Implant as claimed in claim 1 having a portion of said implant designed to project from a tooth socket, which portion is about 4 mm. high.

7. Implant as claimed in claim 1 having an outer diameter of between 4 and 6 mm.

8. Implant as claimed in claim 1 in which the diameter of said core is between 2 and 4 mm.

9. Implant as claimed in claim 1 in which the diameter of the inner end of the metallic core is between 1.5 and 2.5 mm.

10. Implant as claimed in claim 1 in which said metallic core is slightly conical and its outer end has a diameter slightly greater than its inner end.

11. Implant as claimed in claim 1 in which said metallic core is provided with an external thread by means of which it may be screwed into said annular member.