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目的 对治疗前教育法和局部麻醉法在龋齿的充填治疗中 ,预防牙科畏惧症 (dentalfear,DF)的效果进行临床评价。方法 对下颌第一恒磨牙面患中或深度龋的小学生 ,采用随机方法等量分为 3组 ,每组 50例 ,男女各 2 5例。治疗前教育组 :提前 1h ,在医生带领下 ,观看有关龋病防治的科教录像片 ,熟悉环境、器械 ,回答提问 ;局部麻醉组 :用 2 %利多卡因 1 8ml进行下齿槽神经局部注射麻醉 ;空白对照组 :不做任何针对DF的干预。 3组病例接受同样的常规充填治疗。根据Veerkamp的评价标准 ,3名专家盲法独立评分 ,取均值。结果 3组的DF值分别为 0 57± 0 59、0 83± 0 66及 1 0 5± 0 68,差异有非常显著性 (H =1 8 646 ,P =0 0 0 0 1 ) ;3组DF的发生率分别为 1 0 %、1 8%和 42 % (χ2 =1 5 50 3 1 ,P =0 0 0 0 4 ) ;治疗前教育法和局部麻醉法均可预防DF ,前者的临床效果更好。结论 在疼痛不是主要矛盾的龋齿充填治疗中 ,治疗前教育法可以更好地预防DF。
Objective To evaluate the effects of pre-treatment education and local anesthesia on the prevention of dental fears (DF) in dental caries filling. Methods Pupils with moderate or deep caries in the first permanent molars of the mandible were randomly divided into three groups (50 in each group, 25 in each group). Pre-treatment education group: 1h preemptively, under the guidance of a doctor, to observe the scientific and educational videos on caries prevention and control, familiar with the environment, equipment, answering questions; local anesthesia group: 2ml lidocaine 18ml local anesthesia ; Blank control group: do not make any intervention for DF. Three groups of patients received the same routine filling treatment. According to Veerkamp's evaluation criteria, three experts blind independent score, take the mean. Results The DF values of the three groups were 0 57 ± 0 59,0 83 ± 0 66 and 1 0 5 ± 0 68, respectively, with significant difference (H = 1 8 646, P = 0 0 0 0 1). Group 3 The incidence of DF was 10%, 18% and 42%, respectively (χ2 = 155031, P = 0 0 0 04). Pre-treatment and local anesthesia could both prevent the DF Better results. Conclusion Pre-treatment education is better at preventing DF in dental caries filling where pain is not a major contradiction.