Relationship between dentin hypersensitivity and gingival recession and effect of steroid andministration (Epidemiological study on clinical patients)

为了确定牙本质过度敏感与牙龈退缩的关系，在德岛大学医院和福本牙科诊所对70名受试者(358颗牙齿)进行了检查。结果表明，每个受试者的冷刺激指数(Y)与牙龈退缩的平均水平(X)呈正相关，y=0.188x+0.194。当对牙齿进行单独分析时，有牙龈退缩的牙齿比没有牙龈退缩的牙齿对冷刺激表现出更高的反应。此外，牙龈退缩程度越大，观察到的反应越高。这些发现表明，牙本质过敏的发生和强度可能与牙龈退缩的程度有关。

To determine the relationship between dentin hypprsensitivity and gingival recession, 70 subjects (358 teeth) were examined in Tokushima University Hospital and Fukumoto Dental Clinic. The result showed that cold stimulus index per subject (y) was positively con-elated with the mean levels of gingival recession (x), indicating y=0.188x+0.194. When the teeth were individually analysed, the teeth with gingival recession showed a higher response against cold stimulation compared with those without gingival recession. In addition, the greater level of gingival recession, the higher response was observed. These findings suggest that onset and intensity of dentin hypersensitivity may be associated with the levels of gingival recession.