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US 6,951,460 B2Granted
Components and method for improved impression making
AssigneeAstra Tech AB
InventorsAnders Halldin, Kent Engström
Life of this patent
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AssigneeAstra Tech AB
InventorsAnders Halldin, Kent Engström
Estimating the term…
The invention relates to components for an improved system for pick-up impression making at a dental implantation site, including an abutment, an abutment replica and an impression coping. The invention also relates to a series of abutments and to a set comprising an abutment and an impression coping. The impression coping has a through passage extending from a coronal end to an apical end of the impression coping and includes an abutment surrounding region for surrounding the abutment. The abutment surrounding region has a coronal end, an apical end and an inner wall. The inner wall includes at least one abutment contact surface for contact with the abutment, and at least one space forming surface for being spaced apart from the abutment in order to provide a space between the space forming surface and the abutment.
An impression coping for pick-up impression making of a dental abutment attached to a dental implant, said impression coping having a through passage extending from a coronal end to an apical end of the impression coping, said impression coping comprising:
A set comprising:
A method for making a master cast of a modified standard abutment, comprising the steps of:
A method for making a master cast of a modified standard abutment, comprising the steps of:
An impression coping for pick-up impression making of a dental abutment attached to a dental implant, said impression coping having a through passage extending from a coronal end to an apical end of the impression coping, said impression coping comprising:
Dependencies are inferred from the claim text.