García-Godoy F, Marcushamer M, Cugini M, Warren P R
School of Dental Medicine, Tufts University, Boston, MA 02111, USA.
Am J Dent. 2001 Aug;14(4):195-9.
To evaluate and compare the oral hard and soft tissue safety and the plaque-removing efficacy of a children's power toothbrush (Braun Oral-B Kids' Power Toothbrush-D10) and a manual toothbrush in children from a general population.
Seventy children aged 6-11 yrs were enrolled into a single-blind, randomized, parallel-design study. At baseline, oral hard and soft tissues were evaluated and plaque was assessed on buccal and lingual surfaces of all fully erupted permanent and primary teeth using the Turesky Modification of the Quigley-Hein Plaque Index. Eligible subjects were randomized to use either a Braun Oral-B children's power toothbrush (D10) or a manual toothbrush for the duration of the study. Subjects were instructed to brush their teeth at home twice daily for 1 min each day for the 30-day study period. At baseline and after 15 and 30 days, plaque was assessed following 12-18 hrs of no oral hygiene. In addition, at each visit single-use plaque removal was evaluated after subjects had brushed their teeth for 1 min under supervision. Oral hard and soft tissues were assessed for safety before and after the supervised 1-min brushing at each visit.
There were no pre-brushing oral hard and soft tissue abnormalities or post-brushing changes in oral tissues in either group. There were statistically significant reductions in mean plaque index for the whole mouth (P< 0.006), buccal surfaces (P < 0.0001) and anterior teeth (P< 0.008) from day 0 to day 30 in the D10 group, but not in the manual group. Greater mean changes in whole mouth plaque reduction were seen for the D10 group as compared to the manual group at days 15 and 30 (P< 0.05). Results from the single-use supervised brushing at each visit revealed that reductions in mean whole mouth plaque were statistically significant in both groups at each visit (P< 0.0001). There was statistically significantly greater plaque removal after a single brushing at day 0 in the D10 group compared with the manual group (P< 0.002), but the difference was not significant at days 15 and 30.
评估并比较一款儿童电动牙刷（博朗欧乐B儿童电动牙刷-D10）和一款手动牙刷在普通儿童人群中对口腔软硬组织的安全性及去除牙菌斑的效果。
70名6至11岁的儿童参与了一项单盲、随机、平行设计的研究。基线时，评估口腔软硬组织，并使用对Quigley-Hein菌斑指数的Turesky改良版，在所有完全萌出的恒牙和乳牙的颊面和舌面评估牙菌斑。符合条件的受试者被随机分配在研究期间使用博朗欧乐B儿童电动牙刷（D10）或手动牙刷。受试者被指导在为期30天的研究期间每天在家刷牙两次，每次1分钟。在基线以及15天和30天后，在未进行口腔卫生清洁12 - 18小时后评估牙菌斑。此外，每次就诊时，在受试者在监督下刷牙1分钟后评估一次性去除牙菌斑的情况。每次就诊时，在监督下刷牙1分钟前后评估口腔软硬组织的安全性。
两组在刷牙前均未出现口腔软硬组织异常，刷牙后口腔组织也未出现变化。D10组从第0天到第30天，全口（P < 0.006）、颊面（P < 0.0001）和前牙（P < 0.008）的平均菌斑指数有统计学显著降低，而手动组没有。在第15天和第30天，D10组全口菌斑减少的平均变化比手动组更大（P < 0.05）。每次就诊时一次性监督刷牙的结果显示，两组每次就诊时全口平均菌斑减少均有统计学显著意义（P < 0.0001）。在第0天，D10组单次刷牙后去除牙菌斑的效果在统计学上显著优于手动组（P < 0.002），但在第15天和第30天差异不显著。
