| 摘要 |
<p>A bone grafting material for use in medicine is glass wool which has the mean diameter of 100 mu m or less and whose composition is: <TABLE> When said grafting material is used for treatment of periodontal disease, the grafting material is completely replaced by newly formed bone, wherein dental ankylosis of the grafting material to a tooth root does not occur and the newly formed bone and the tooth root are bound with a tissue like a periodontal membrane.</p> |
