RBR-6nv76g进行中（未招募）4 期
Influence of 37.5% hydrogen peroxide application times on the effectiveness and safety of in-office tooth bleaching: a double-blind randomized clinical trial
niversidade Federal da Paraíba0 个研究点开始时间: 2020年9月9日最近更新:
适应症
试验速览
- 阶段
- 4 期
- 状态
- 进行中（未招募）
- 发起方
研究概览
简要总结
暂无简介。
研究设计
- 研究类型
- Intervention
入排标准
- 年龄范围
- 18Y 至 60Y（—）
入选标准
- •The six maxillary anterior teeth had to be present, with a shade mean C2 or darker; to be at least 18 years of age; the anterior maxillary and mandibular teeth should not have more than 1/6 of the buccal surface covered with a restorative material; to be with good dental and general health.
排除标准
- •Individuals with or to be treated for active caries or periodontal diseases; with visible cracks in maxillary or mandibular anterior teeth; evident malocclusion or under orthodontic treatment; parafunctional habits; severe internal tooth discoloration (tetracycline, fluorosis or pulpless teeth); tooth sensitivity; previous bleaching treatment; smokers; pregnant or lactating women.
研究者
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