O'Mullane D M, Whelton H, Galvin N, Phelan J, Gleeson P
Oral Health Services Research Centre, University Dental School, Cork, Ireland.
J Periodontol. 1994 Jun;65(6):611-5. doi: 10.1902/jop.1994.65.6.611.
A 12-month clinical trial was conducted to compare the effectiveness of a pre-brushing rinse (PBR) in plaque removal with that of water. Four groups participated in the study; group 1 (test group) rinsed with PBR before brushing; group 2 rinsed with plain tap water; group 3 brushed only; and group 4 rinsed with sterile water (same color as the PBR). Pre-brushing and post-brushing plaque scores were recorded at baseline, 3 months, 6 months, 9 months (Ramjford surfaces) and 12 months for groups 1, 2, and 3 and at baseline, 3 months and 6 months for group 4. Pre-brushing minus post-brushing plaque scores (decrements) were significantly higher in the PBR group at baseline, and 6, 9, and 12 months. Using a single criterion (gingival bleeding index) there were no differences between the 4 groups at any of the 5 assessments, hence, the clinical significance of the higher plaque removal scores in the PBR group remains in doubt.
进行了一项为期12个月的临床试验，以比较刷牙前冲洗液（PBR）与水在去除牙菌斑方面的效果。四组参与了该研究；第1组（试验组）在刷牙前用PBR冲洗；第2组用普通自来水冲洗；第3组仅刷牙；第4组用无菌水冲洗（与PBR颜色相同）。第1、2和3组在基线、3个月、6个月、9个月（Ramjford面）和12个月记录刷牙前和刷牙后的牙菌斑评分，第4组在基线、3个月和6个月记录。在基线、6个月、9个月和12个月时，PBR组刷牙前减去刷牙后的牙菌斑评分（减少量）显著更高。使用单一标准（牙龈出血指数），在5次评估中的任何一次，4组之间均无差异，因此，PBR组较高的牙菌斑清除评分的临床意义仍存疑问。
