None listed
Conditions
Interventions
Others(nondrug material) : In this study, we have two different groups which are control and experimental groups, respectively. Same bleaching material, (8.3%
of carbamide peroxide
Bright tooth whitening gel
Genoss, Korea) were used in both groups. In the control group, the bleaching gel was applied on anterior teeth without use of light curing unit. In the experimental group, the bleaching was applied wi
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 20 and 40 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 composite restorations in the incisors; 3)who have the orthodontic brackets; 4)who have the tooth with endodontic treatment in the incisors; 5)who have the intrinsic discoloration due to the tetracycline or fluorosis in the incisors; 6)who have gingival recession, or periodontal disease; 7)who are pregnant or breastfeeding; 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 |
|---|---|
| Incidence of dentine hypersensitivity | — |
Countries
Korea, Republic of
Contacts
Public ContactJi-Hyun Jang
Kyung Hee University Dental Hospital
Outcome results
None listed