| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a dental implant abutment without remarkably impairing an aesthetic property, even if gingival retraction caused by bone absorption is caused in a patient of applying a dental implant treatment, in the dental implant abutment being a base of an upper structure by penetrating through gingiva, which is attached to the oral cavity inner side of an implant fixture being an artificial tooth root by being embedded in a jawbone, in the dental implant treatment to recover the lost oral cavity function of a lost tooth part. <P>SOLUTION: This dental implant abutment is made of ceramics having the whole forming a color approximate to the gingiva by being sintered by adding a pigment. As the color approximate to the gingiva, L* is desirably 60 to 85, a* is 9 to 20, and b* is -5 to 9 in an index of a color system of L*a*b*. <P>COPYRIGHT: (C)2009,JPO&INPIT</p> |
