Clinical Comparison of Whitening Efficacy and Tooth Sensitivity of Different Concentrations of Hydrogen Peroxide Photoactivated With Violet or Blue LEDs
试验速览
- 阶段
- 不适用
- 状态
- 已完成
- 入组人数
- 40
- 试验地点
- 2
- 主要终点
- Color
研究概览
简要总结
This is a randomized, controlled, double-blind and repeated-measures clinical trial evaluated the photoactivation of hydrogen peroxide gels in different concentrations with blue or violet LED in terms of whitening efficacy and tooth sensitivity.
研究设计
- 研究类型
- Interventional
- 分配方式
- Randomized
- 干预模型
- Factorial
- 主要目的
- Other
- 盲法
- Double (Participant, Outcomes Assessor)
入排标准
- 年龄范围
- 18 Years 至 —（Adult, Older Adult）
- 性别
- All
- 接受健康志愿者
- 是
入选标准
- •at age 18 or older, with good general and oral health;
- •possessing all six natural and healthy upper anterior teeth with a color shade of A2 or darker, determined by comparison with the Vita Classic scale;
排除标准
- •pregnant and breastfeeding women;
- •individuals with internal tooth discoloration (tetracycline stains, fluorosis or hypoplasias);
- •smokers, or those with veneers or restorations on the teeth in questions were excluded;
- •gingival recession;
- •dentin exposure;
- •periodontal disease.
结局指标
主要结局
Color
时间窗: Color assessment was carried out before bleaching, 1 week after bleaching and 3 months after bleaching
A operator measured the color of the six upper anterior teeth using a digital spectrophotometer (VITA Easyshade V, Wilcos, Petrópolis, RJ, Brazil).
Bleaching Sensitivity
时间窗: Assessments were carried out three times: before bleaching, immediately after bleaching, and 24 hours after bleaching.
The degree of tooth sensitivity of patients was recorded using a visual analogue scale (VAS) from 0 to 10, where 0 represents no tooth sensitivity and 10 represents the greatest tooth sensitivity ever felt by the patient.
次要结局
未报告次要终点
研究者
Cecy Martins Silva
clinical professor
Universidade Federal do Para