In-situ Evaluation of Anti-caries Technology
试验速览
- 阶段
- 不适用
- 状态
- 已完成
- 入组人数
- 29
- 试验地点
- 1
- 主要终点
- Change in area of artificial lesion over 3 months
研究概览
简要总结
Three toothpastes will be compared, two toothpastes in each subject, to establish whether changes in the depth or area of an artificially created area of tooth decay is the same for each toothpaste.
详细描述
Objective is to evaluate the demineralization and remineralization effects of two experimental fluoride containing dentrifices on enamel and root surface lesions compared with a control dentrifice.
Study is a partially randomized, 3-period cross over study involving 30 subjects who need a full-coverage crown on a posterior tooth. Each subject will use each of the study dentrifices over 3 months according to a randomization scheme. Subjects will brush daily with the assigned dentrifice unsupervised. Subjects will each have two provisonal crowns for use during the study. These crowns will contain three hard tooth tissue sections located at interproximal sites. The three tooth tissue slabs will consist of an artificial enamel caries lesion, an artificial root caries lesion, and a sound root. After removal, the tooth slabs will be evaluated using polarized light and photomicrographs for changes in area and depth of lesions.
研究设计
- 研究类型
- Observational
- 观察模型
- Other
- 时间视角
- Prospective
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
- •generally good physical health
- •at least 18 years old
- •needs a full crown on a mandibular first or second molar tooth
- •tooth brushing frequency of twice daily or more
- •agrees not to participate in other clinical study for duration of this study
- •agrees to delay any elective dentistry, including dental prophylaxis, until study complete
排除标准
- •any condition requiring antibiotic premedication before a dental procedure
- •active treatment for cancer or seizure disorder
- •diseases or conditions that could interfere with subject safely completing the study
- •currently taking antibiotics or anti-cholinergic medications
- •currently using extensive daily fluoride therapy
- •gross, visible caries
- •chronic use of chlorhexidine within 3 months of baseline
- •use of systemic antibiotics within 7 days of baseline
- •severe periodontal disease
- •use of any fluoride rinses or gels one month prior to study initiation
- •pregnancy, the intention to become pregnant
- •presence of orthodontic bands or removable retainers
结局指标
主要结局
Change in area of artificial lesion over 3 months
时间窗: 3 months
Comparison of two 950 ppm fluoride containing dentrifices, Clinpro 5000 and MI Paste Plus, with fluoride-free dentrifice (Toms of Maine) for any change in artificial lesion area due to demineralization or remineralization over time period of study
Change in depth of artificial lesion over 3 months
时间窗: 3 months
Comparison of two 950 ppm fluoride containing dentrifices, Clinpro Toothcreme and MI Paste Plus, with fluoride-free dentrifice (Toms of Maine)for any change in artificial lesion depth due to demineralization or remineralization over the time period of the study
次要结局
未报告次要终点