Ndung'u F L, Kaimenyi J T, Arneberg P, Muthami L N
Department of Dental Surgery, College of Health Sciences, Nairobi.
East Afr Med J. 1990 Dec;67(12):907-11.
The purpose of this study was to compare the efficacy of a chewing stick and a tooth brush in plaque control. The study composed of two groups of 11 and 8 children aged 13 to 16 years who were randomly selected from a peri-urban school near Nairobi. Results showed that, except for the participants with moderate amounts of plaque, the net changes in the mean number of surfaces with a given plaque score were more when the participants were using a toothbrush than when they were using a chewing stick. For the group of participants who started using a chewing stick before they changed to the toothbrush, there were no significant net changes in the mean number of surfaces with a given plaque score except for those surfaces which had mild plaque deposits. It is concluded that for the patients with severe plaque deposits, the toothbrush is more efficacious than the chewing stick in plaque control. However, for those patients with moderate plaque deposits, the chewing stick is as efficacious as the toothbrush in plaque control.
本研究的目的是比较咀嚼棒和牙刷在控制牙菌斑方面的效果。该研究由两组年龄在13至16岁的儿童组成，分别为11名和8名，他们是从内罗毕附近的一所城郊学校随机挑选出来的。结果显示，除了牙菌斑量中等的参与者外，参与者使用牙刷时，具有给定牙菌斑评分的表面平均数量的净变化比使用咀嚼棒时更多。对于在改用牙刷之前开始使用咀嚼棒的参与者组，除了那些有轻度牙菌斑沉积的表面外，具有给定牙菌斑评分的表面平均数量没有显著的净变化。得出的结论是，对于牙菌斑沉积严重的患者，牙刷在控制牙菌斑方面比咀嚼棒更有效。然而，对于那些牙菌斑沉积中等的患者，咀嚼棒在控制牙菌斑方面与牙刷一样有效。
