In an attempt to preserve the original periodontal membrane and stimulate fibrosis of tooth to bone in rhesus monkeys, venous segments were adapted over roots of teeth prior to replantation. Both intima and adventitia exposed to the cemental surface of roots were tested. The venous segments, as employed in this experiment, induced increased sulcus depth and varying degrees of root resorption and ankylosis. Control teeth were replanted without venous segments, and their recovery was uneventful. More extensive studies aimed at regenerating physiologic periodontal attachment in tooth grafting seems to be definitely indicated. © 1972.
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