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J Endod:通过电和冷热刺激测试评估慢性牙周炎对牙髓活力的影响

2017-10-01 lishiting MedSci原创

研究已证实,在牙髓与牙周组织之间存在信号通讯。然而,牙周疾病是否会引起牙髓组织产生临床反应还未可知。这篇研究的目的是通过电和冷热刺激测试评估牙周疾病的严重程度对牙髓活力的影响。

研究已证实,在牙髓与牙周组织之间存在信号通讯。然而,牙周疾病是否会引起牙髓组织产生临床反应还未可知。这篇研究的目的是通过电和冷热刺激测试评估牙周疾病的严重程度对牙髓活力的影响。研究将实验牙按照放射线影像观察到的牙槽骨缺失程度(ABL)分为3组:轻微牙周炎(SP, ABL ≤7 mm,未到达顶端, n = 25)、中度牙周炎(ABL >7 mm,未到达顶端, n = 23)和严重牙周炎(SvP, ABL >7,已到达顶端, n = 8)。同时检测牙龈退缩(GR)、探诊深度(PD)和临床附着水平(CAL)的情况变化。结果显示,SvP组的PD和CAL要明显高于SP组(P < .05),而GR在2组间不存在显著性差异(P > .05)。SvP组的ABL情况要明显重于其他组 (P < .05)。SP组牙髓反应呈阳性的数量明显增多,而SvP组牙髓反应呈阴性的数量显著减少(P < .05)。另外,在冷热刺激和电测试2种方法之间不存在显著性差异(P > .05)。结论:此项研究范围内的结果表明,牙髓对于冷热刺激和电测试呈阴性反应的临床症状仅发生在慢性牙周炎进展

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    2018-08-09 jxrzshh
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    2017-10-01 半夏微凉

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