地塞米松在根管治疗术中预防急性炎症的临床观察

Clinical Observations of Prevention in Endodontic Interappointment Emergencise with Dexamethasone

对１２０颗死髓牙在根管治疗中用地塞米松预防急性炎症的发生进行研究．结果：地塞米松组根管治疗术中急性炎症发生率为１１６２％，而对照组急性炎症发生率为３５００％，两组之间有非常显著差异（Ｐ＜００１）．在实验组中，有瘘道组急性炎症发生率为４１７％，无瘘道急性炎症发生率为１６６７％，两组之间无差异（Ｐ＞００５）．

Using dexamethasone to prevent endodontic interappointment emergencise was observed clinically on 120 teeth with necrotic pulp. The incidence of endodontic interappointment emergencise in dexamethasone group was 16.6%. Whereas the incidence of that in control group was 35.00%. There was statistically significant difference in the scores of signs between the two groups (P<0.01). In the experiment, the rate of endodontic interappointment emergencise in the group without fistulas was 1667%.The rate of that group with fistulas was 4.16%. There was no satistically difference between two groups(P<0.05). Conclusivly, dexamethasone can reduce the of endodontic interappointment emergencise.