Pitt Ford T R, Andreasen J O, Dorn S O, Kariyawasam S P
Department of Conservative Dental Surgery, UMDS, Guys's Hospital, London, England.
J Endod. 1995 Jan;21(1):13-5. doi: 10.1016/s0099-2399(06)80550-9.
The effect of Super-EBA cement as a root-end filling placed in teeth before replantation was examined in eight molar roots in monkeys. After extraction, root ends were resected, the canals contaminated with oral bacteria, root-end cavities prepared, and fillings of Super-EBA placed before replantation. After 8 wk, the jaws were removed and prepared for histological examination. The tissue response to Super-EBA was very mild, with only a few inflammatory cells being observed at the root end of 3 of the 8 roots filled. Previous work showed a similarly mild response to Intermediate Restorative Material and a very much more severe response to amalgam. It is concluded that the tissue response to Super-EBA as a root-end filling is acceptable and considerably more favorable than that to amalgam.
在猴子的八颗磨牙牙根中，研究了超级乙二胺四乙酸（Super-EBA）水门汀作为再植前牙根充填材料的效果。拔牙后，切除牙根末端，根管被口腔细菌污染，制备牙根末端窝洞，并在再植前放置超级乙二胺四乙酸水门汀充填物。8周后，取出颌骨并准备进行组织学检查。对超级乙二胺四乙酸水门汀的组织反应非常轻微，在充填的8颗牙根中的3颗牙根末端仅观察到少量炎性细胞。先前的研究表明，对中间修复材料的反应同样轻微，而对汞合金的反应则严重得多。得出的结论是，作为牙根充填材料，超级乙二胺四乙酸水门汀引起的组织反应是可以接受的，并且比汞合金引起的反应要有利得多。
