Dentistry – Prosthodontics – Holding or positioning denture in mouth
Patent
1990-04-18
1991-06-25
Stone, Gary E.
Dentistry
Prosthodontics
Holding or positioning denture in mouth
4332011, 433141, A61C 800
Patent
active
050262858
ABSTRACT:
An implant for an individual tooth including a metal implant post having a fastening head for receiving the removable denture, the implant post being mounted in a metal spacing element which is threaded in a basic structure that is implantable in the tooth. To hold the spacing element in a fixed, non-twisting and rotatable position, the element is composed of a base portion having a first threaded portion which is received in the basic structure and a second threaded portion of a pitch less than the first portion, which receives a ring element that is threaded thereon and has a shoulder for engaging an upper edge of the basic structure to form a locking arrangement. The invention also is directed to a tool having concentric sleeves which move relative to one another with the inner sleeve having slots for receiving lugs on the base element and the outer sleeve having lugs or projections to be received in the slots on the ring so that the ring can be rotated relative to the base element, which is held by the inner sleeve.
Durr Walter
Kirsch Axel
Eberle Medizintechnische Elemente GmbH
Kirsch Axel
Lepiane Adriene B.
Stone Gary E.
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