Patent ID: 9610146
Date: 2017-04-04
CPC Classifications: A61C

Claim:
1. A dental block to be subjected to a cutting process to form a dental abutment comprising: a block body having a one surface being a plane, and an engagement portion to be inserted in and engaged with a dental implant fixture, the engagement portion having a bolt through hole and being formed in the one surface of the block body, the dental block further comprising: a ring-shaped abutment surface to be abutted against a top surface on the oral cavity inner side of the dental implant fixture, the ring-shaped abutment surface being positioned more inside the block body than the one surface, being formed from an end portion positioned at the most oral cavity inner side of the engagement portion to surround the end portion, and being parallel to the one surface of the block body, and a diameter-enlarged portion having a tapered shape whose diameter increases from the ring-shaped abutment surface toward the one surface of the block body, wherein an enlarged end of a tapered portion of the diameter-enlarged portion is connected to the one surface of the block body.