Bleaching; Satisfactory
Conditions
Brief summary
Explore the correlation and specific relationship between chromaticity parameters and treatment satisfaction before and after tooth bleaching, compare the curative effect of different tooth bleaching programs.
Interventions
different toothpaste
Sponsors
Study design
Eligibility
Inclusion criteria
* age around 20\ 28 years, * at least six anterior teeth without restorations, * good general and oral health (no dental caries and periodontal disease).
Exclusion criteria
* tooth sensitivity, * any condition that could cause tooth sensitivity (non-carious cervical lesions, dentin exposure), * participants under orthodontic treatment, * smokers.
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| Changes of tooth color | baseline, 7 days after treatment, 14 days after treatment | The certain points of tooth color |