None listed
Conditions
Interventions
Others(Non pharmaceutical products) : There is no difference of application method between groups. The four experimental groups were divided according to the concentration of bleaching agent of toothp
group1, 0.75%
of HP containing toothpaste (Toothwhold white)
group2, 0.75%
of HP containing toothpaste (Vussen7)
group3, 1.5%
of HP containing toothpsate(Its white)
group4,2.8%
of HP containing toothpaste (Vussen28). The volunteers brush their tooth using the experimental materials manually for 12weeks, and the toothbrushing is instructed for three times per day.
Sponsors
Kyung Hee University Dental Hospital
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: 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
Exclusion criteria: 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.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Shade improvement | — |
Secondary
| Measure | Time frame |
|---|---|
| Teeth hypersensitivity | — |
Countries
Korea, Republic of
Contacts
Public ContactJi-Hyun Jang
Kyung Hee University Dental Hospital
Outcome results
None listed