Dentistry – Prosthodontics – Holding or positioning denture in mouth
Reexamination Certificate
1999-12-17
2001-11-06
Wilson, John J. (Department: 3732)
Dentistry
Prosthodontics
Holding or positioning denture in mouth
C433S024000, C433S174000
Reexamination Certificate
active
06312259
ABSTRACT:
FIELD OF THE INVENTION
The present invention relates to an implant for being anchored in a hole formed in bone.
BACKGROUND OF THE INVENTION
In certain situations, it may be desirable to alter the position of skeletal elements, including teeth, of patients. The position of certain aspects of a skeleton in undesired locations can result from birth defects, injuries, or other actions. Frequently, perception of misplacement of skeletal elements results from vanity. In other words, cosmetic surgery can include movement of skeletal and/or dental elements.
To move a bone, portion of a bone, tooth, or other portion of a patient's body often requires application of force to the body portion to be moved over a period of time. For example, there may be a tendency for a skeletal part or tooth, for example, to move back to its original location. Also, it may mot be desired or possible to move a skeletal or dental part quickly. For example, repositioning of teeth in orthodontic applications typically requires a long period of time.
SUMMARY OF THE INVENTION
In view of the above, the present invention provides an implant for providing an anchor in bone tissue. A retention portion for implanting into the bone tissue includes at least one retention member for retaining the implant in a preprepared hole in the bone tissue. The retention portion includes an insertion end. An abutment portion extends from the retention portion opposite the insertion end and has a larger diameter than the retention portion. The abutment portion is for passing through soft tissue on the bone tissue. A stop portion extends from the abutment portion for contacting a member attached to the implant. An attachment groove includes an attachment surface for attaching at least one member connected to another structure. A top portion has a diameter greater than the attachment groove.
Still other objects and advantages of the present invention will become readily apparent by those skilled in the art from the following detailed description, wherein it is shown and described only the preferred embodiments of the invention, simply by way of illustration of the best mode contemplated of carrying out the invention. As will be realized, the invention is capable of other and different embodiments, and its several details are capable of modifications in various obvious respects, without departing from the invention. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive.
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Kvarnstrom Bjarne
Lipka Scott
Luft Michael
Nobel Biocare AB
Wilson John J.
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