Clinical study of the bleaching tooth paste with various concentration of bleaching agent
- Conditions
- Diseases of the digestive system
- Registration Number
- KCT0002877
- Lead Sponsor
- Kyung Hee University Dental Hospital
- Brief Summary
Not available
- Detailed Description
Not available
Recruitment & Eligibility
- Status
- ot yet recruiting
- Sex
- All
- Target Recruitment
- 120
Inclusion criteria is as follow:
1)Patients who have the discolored teeth between the ages of 18 and 50 volunteered for this study.
2) ASA physical classification, class 1 or 2
3) voluteers who thoroughly understand and agree to this clinical trial
4) Prior to involve this clinical trial, the shade of the maxillary incisor was evaluated by the spectrophotometer, and the patients who presented the shade above A2 was included.
Exclusion criteria was as follow;
1)the patients who have the history of allergy to the bleaching agent;
2)who have the extensive prosthesis or restorations in the incisors;
3)who have the orthodontic brackets;
4)who have the tooth with endodontic treatment,
5)who have the intrinsic discoloration due to the tetracycline or fluorosis,
6)who have gingival recession, exposure of the dental root or periodontal disease;
7)who are pregnant ;
8)who has the personal relationship to the researchers,
9)who are judged as improper to participate this clinical trial, etc.
Study & Design
- Study Type
- Interventional Study
- Study Design
- Not specified
- Primary Outcome Measures
Name Time Method Shade improvement
- Secondary Outcome Measures
Name Time Method Teeth hypersensitivity