| 摘要 |
A dental implant for supporting a dental prosthesis comprises a body portion and an abutment portion. The dental implant including a roughened surface. When the dental implant is installed into a patient's jawbone, the roughened surface extends above a crest of the jawbone. In one arrangement, the roughened surface extends at least 2 millimeters above the crest. In another arrangement, the roughened surface extends at least 3 millimeters above the crest. In yet another arrangement the roughened surface extends at least 4 millimeters above the crest. Methods for installing and manufacturing a dental implant are also disclosed.
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