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KMID : 0354619920040010091
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Journal Dankook Dental Research Institute
1992 Volume.4 No. 1 p.91 ~ p.104
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An Experimental Study of the Healing Process of Anorganic Bone (PYROATR) Implanted in Extraction Socket of Rabbits
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Abstract
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The purpose of this study was to clarify the effects of pyrost to the healing of surrounding alveolar bone and its tissue response. The lower incisors of rabbit were extracted, and the right extraction socket was treated as usual for the control
group.
The left extraction socket has filled with pyrost for the experimental group. The rabbits were sacrificed at the 1, 2, 3, 4, 5, 6 and 7 week after operation and then the radiologic and histologic surveys were done.
@ES The results were as follows :
@EN 1. Resorption of alveolar crest was seen at the experimental sides as well as at the control sides.
2. At the experimental side, new bone formation was formed around pyrost in 2 week group and the region adjacent to pyrost as almost surrounded with new bone in 5 week group. No resorption of pyrost was seen until 7 week.
3. At the experimental side, after new bone formation was begun from both alveolar bone and pyrost, it was united to each other.
4. No foreign material was interposed between new bone & pyrost, showing no apparent foreign body reaction. Pyrost was compatible to tissue.
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