BOND STRUCTURE IN THE ABUTMENT AND IMPLANT CROWN

摘要

The present invention relates to a coupling structure of an abutment and a crown for dental implant. In the coupling structure of an abutment and a crown for dental implant, a lower portion of an abutment comes in contact with an upper portion of a fixture coupled to a tooth extraction hole of an alveolar bone to be coupled thereto by using a bolt; and a lower portion of a crown is inserted and coupled to an upper portion of the abutment. The abutment includes: a support latch formed along the edge of an abutment body having a stepped hole; a crown supporting guide formed along the edge of the abutment body from the inner upper portion of the support latch; and an inclined groove unit formed at an upper portion of the abutment body. The crown includes: an abutment insertion groove which is formed on the crown body, and has an open lower portion; a hooking latch formed at the edge on an entrance side of the abutment insertion groove; an impact absorption layer formed on the inner surface of the abutment insertion groove; an inclined protrusion unit formed at an upper lower surface on the inner surface of the abutment insertion groove. Accordingly, the coupling structure of an abutment and a crown minimizes the sense of difference by preventing the impact from being delivered to the abutment through the crown; and facilitates reuse thereof by filling a novel resin by separating a resin inserted into a contact portion of the crown.