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首页> 外文期刊>International journal of dental hygiene >Clinical evaluation of brushing time and plaque removal potential of two manual toothbrushes.
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Clinical evaluation of brushing time and plaque removal potential of two manual toothbrushes.

机译：两种手动牙刷的刷牙时间和牙菌斑清除潜力的临床评估。

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AIM: To compare plaque removal efficacy of Oral-B CrossAction (CA) used for 1 min with an American Dental Association (ADA) manual toothbrush used for 2 or 5 min in an examiner-blind, three-treatment, six-period crossover study. MATERIALS AND METHODS: After refraining from all oral hygiene procedures for 23-25 h, subjects were randomly assigned to one of nine possible six-period (visit) treatment sequences. Plaque was assessed at baseline (Rustogi Modified Navy Plaque Index). Post-brushing scores were recorded after brushing with a marketed dentifrice and the assigned toothbrush for the specified duration. The same procedure was followed at each of six subsequent visits. Clinical measurements were carried out by the same examiner. RESULTS: Forty subjects completed the study. All three treatments effectively removed plaque from the whole mouth, along the gingival margin and from approximal surfaces. Whole mouth and gingival margin plaque removal scores with CA for 1 min did not differ significantly fromscores with the ADA toothbrush used for 2 min. The ADA brush used for 5 min showed significantly greater whole mouth (P < 0.001) and gingival margin (P < 0.001) plaque reduction than the two other treatments. Approximal plaque removal scores did not differ between the three treatments. CONCLUSIONS: Efficient plaque removal can be achieved after 1 min of brushing with CA. The amount of plaque removed did not differ significantly from that achieved with the ADA brush after 2 min of brushing. Greater whole mouth and gingival margin plaque removal scores were seen with the ADA brush after 5 min.
机译：目的：为了比较在一项检查员盲法，三项治疗，六期交叉研究中，将口服1分钟的Oral-B CrossAction（CA）与使用2分钟或5分钟的美国牙科协会（ADA）手动牙刷的牙菌斑清除功效进行比较。材料与方法：在避免所有口腔卫生程序23-25小时后，将受试者随机分配到九种可能的六周期（就诊）治疗顺序之一。在基线评估斑块（Rustogi改良海军斑块指数）。使用市售洁齿剂和指定牙刷在指定时间内刷牙后，记录刷牙后得分。随后的六次访视均遵循相同的程序。由同一位检查员进行临床测量。结果：40名受试者完成了研究。所有这三种治疗方法均能有效地从整个口腔，沿牙龈边缘和大约表面清除牙菌斑。 CA 1分钟的全口和龈缘菌斑去除分数与2分钟ADA牙刷的分数没有显着差异。与其他两种治疗方法相比，使用ADA刷5分钟的患者的全口（P <0.001）和牙龈切缘（P <0.001）斑块减少显着更大。三种处理之间的近似斑块去除分数没有差异。结论：用CA刷牙1分钟后可有效去除牙菌斑。刷牙2分钟后，去除的牙菌斑量与ADA刷牙所去除的牙垢量没有显着差异。 5分钟后，使用ADA刷观察到更大的全口和龈缘菌斑去除分数。

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