Root canal posts
Patent 4778388 Issued on October 18, 1988. Estimated Expiration Date: 
October 14, 2007. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
October 14, 2007. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 3790507 3863344 Device for implanting an artificial endosseous element of ceramics and an implant method for use of the device Replacement system for dental and other bone implants Connecting device for joining a superstructure element with an implant member Dental post system Patent #: 4622012 InventorsAssigneeApplicationNo. 07/108119 filed on 10/14/1987US Classes:433/221Having surface grooves or ridgesExaminersPrimary: Peshock, RobertAttorney, Agent or FirmInternational ClassesA61C 13/225 (20060101)A61C 5/00 (20060101) A61C 13/30 (20060101) Foreign Application Priority Data1986-11-07 JPAbstractA root canal post for use in constructing a therapeutic foundation on the root tooth for treatment of a broken tooth, the post comprising a head, a shank and a bore axially produced through the head and shank, the bore including a filler releasably filled therein so that after the post is anchored in the tooth, a subsequent treatment for a possible secondary cavities is applied through the bore which is made empty by removing the filler.Field of SearchHaving surface grooves or ridges | |
