| 摘要 |
An integrated abutment crown (22) has an abutment portion (24) having a central portion (24a) intermediate to a post portion (24b) receivable in the bore of an implant and a head portion which includes a nose (24c) and shelf (24d) extending from the outer circumference of the central portion to the nose. The abutment portion (24) is formed with a smooth curved surfaces for supporting crown portion (26) material applied directly onto the nose and shelf of the head portion. |
