两支软毛牙刷去除牙菌斑的效果。一项随机对照试验。

G. Langa, Francisco Wm Gomes Muniz, Harry J Rivera Oballe, J. Cavagni, Stephanie Anagnostopoulos Friedrich, Zilson Malheiros, B. Stewart, C. Kuchenbecker Rösing
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引用次数: 1

摘要

本研究的目的是比较两种软毛牙刷在牙菌斑清除方面的疗效。70名志愿者被随机分配到A组(锥形牙刷组)和B组(圆锥形牙刷组)。在基线预约(第0天),志愿者使用改进的斑块识别指数进行斑块检查。在监督下,他们用指定的牙刷刷牙1分钟,并重复检查牙菌斑。志愿者继续进行口腔卫生方案(分配牙刷和研究人员提供的常规牙膏)7天。重复第0天的实验步骤。采用Mann-Whitney检验,分别对两次全口、近端间和牙龈线菌斑减少的平均百分比进行统计分析,p0.05)。综上所述,在第0天,从全口、龈线和近端间菌斑评分来看,A组在龈上菌斑清除方面的疗效高于B组。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Efficacy of two soft-bristle toothbrushes in plaque removal. A randomized controlled trial.
The aim of the present examiner-blind randomized controlled clinical study was to compare the efficacy two soft-bristle toothbrushes in terms of plaque removal. Seventy volunteers were randomly allocated to Group A (tapered-tip toothbrush) or Group B (end-rounded toothbrush). At baseline appointment (Day 0), volunteers underwent plaque examination using the Improved Plaque Identification Index. Under supervision, they brushed their teeth for 1 minute with their assigned toothbrushes and the plaque examination was repeated. Volunteers continued the oral hygiene regimen (assigned toothbrush and a regular dentifrice provided by the researchers) for 7 days. The experimental procedures of Day 0 were then repeated. Separate statistical analyses were performed for mean percent reduction of plaque in the whole-mouth, interproximal and gumline scores at both times, using Mann-Whitney test, p<0.05. After a single toothbrushing, on Day 0, mean percent plaque was significantly reduced in both groups (p<0.05), with statistically greater reductions of whole-mouth (21.39±12.44 vs. 11.40±11.17), gumline (6.32±7.37 vs. 2.89±4.57) and interproximal (10.82±10.49 vs. 5.21±7.68) for Group A as compared to Group B. However, on day 7, no significant difference was observed between groups for whole-mouth (29.94±20.91 vs. 26.58±18.64), gumline (14.04±18.82 vs. 13.78±17.63) and interproximal surfaces (26.41±22.77 vs. 23.12±20.98) (p>0.05). In conclusion, on Day 0, Group A presented higher efficacy in supragingival plaque removal than Group B, as reflected by whole-mouth, gumline and interproximal plaque scores.
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