Kremers L, Lampert F, Etzold C
Dtsch Zahnarztl Z. 1978 Jan;33(1):58-60.
The effectiveness of two tooth cleaning methods (Roll and Bass technique) was evaluated in 28 patients. Answers to the following questions were sought: 1. Which of the two methods results in greater reduction of plaque formation? 2. Are difficulties encountered in the learning and practice of each method? 3. Which method gives better results in the less accessible parts of the jaws? A significant difference in the cleaning effectiveness of the two methods could not be demonstrated.
对28名患者评估了两种牙齿清洁方法（Roll法和巴氏刷牙法）的效果。寻求对以下问题的答案：1. 两种方法中哪种能更有效地减少牙菌斑形成？2. 每种方法在学习和实践中是否存在困难？3. 哪种方法在颌骨较难触及的部位效果更好？两种方法的清洁效果没有显著差异。
