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| Name | Class |
|---|---|
| Ivoclar Vivadent AG | INDUSTRY |
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The aims of this study are: to compare the efficacy of three different dental bleaching products; to evaluate colour relapse following dental bleaching treatment at 1, 3 and 6 months follow up; to evaluate the impact in quality of life from dental bleaching treatments.
Products to be used represent three different techniques and formulations: in office, universal tray and custom tray (respectively VivaStyle Paint On Plus (Ivoclar Vivadent, Liechtenstein), Opalescence GO 6% (Ultradent, USA) and Opalescence PF 15% (Ultradent, USA).
All products contain 6% hydrogen peroxide or its equivalent.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Group A | Experimental | Dental bleaching with PaintOn Plus, HP 6%, 6x10min, two sessions |
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| Group B | Experimental | Dental bleaching with Opalescence GO, HP 6%, 10x60min |
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| Group C | Experimental | Dental bleaching with Opalescence PF, CP 16%, 14x60h |
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Dental bleaching with PaintOn Plus VivaStyle | Other | Procedure of tooth bleaching using products with 6% hydrogen peroxide or its equivalent, specifically the PaintOn Plus Vivastyle 6% HP (Ivoclar Vivadent) |
| Measure | Description | Time Frame |
|---|---|---|
| Change on visually determination of tooth colour | Determination of tooth colour using a visual tooth shade guide | 2 weeks (before and after treatment) |
| Change on spectrophotometer determination of tooth colour | Determination of tooth colour using a spectrophotometer | 2 weeks (before and after treatment) |
| Subjective evaluation of tooth colour change during follow-up | Determination of tooth colour relapse using visual tooth shade guide (VITA shade guide) | 1, 3 and 6 months |
| Change on quality of life during treatment and follow-up | Impact on quality of life using an oral quality of life measuring questionnaire, the Oral Health Impact Profile 14 (OHIP-14). The OHIP-14 ranges from 0 to 56 (final sum of all the seven subscales), with higher scores indicating poorer quality of life. | 2 weeks (before and after treatment), 1 month, 3 months and 6 months |
| Objective evaluation of tooth colour change during follow-up | Determination of tooth colour relapse using a spectrophotometer | 1, 3 and 6 months |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| João Silveira, PhD, MSc | Contact | +351966168040 | joao.silveira@campus.ul.pt |
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Faculty of Dental Medicine of the University of Lisboa | Recruiting | Lisbon | Portugal |
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| Dental Bleaching impact in quality of life with PaintOn Plus Vivastyle | Other | Evaluation of oral quality of life after dental bleaching treatment with PaintOn Plus Vivastyle 6% HP (Ivoclar Vivadent) using an oral quality of life measuring questionnaire, specifically the Oral Health Impact Profile-14 |
|
| Dental bleaching with Opalescence GO | Other | Procedure of tooth bleaching using products with 6% hydrogen peroxide or its equivalent, specifically the Opalescence GO 6% HP (Ultradent) |
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| Dental Bleaching impact in quality of life with Opalescence GO | Other | Evaluation of oral quality of life after dental bleaching treatment with Opalescence GO 6% HP (Ultradent) using an oral quality of life measuring questionnaire, specifically the Oral Health Impact Profile-14 |
|
| Dental bleaching with Opalescence PF | Other | Procedure of tooth bleaching using products with 6% hydrogen peroxide or its equivalent, specifically the Opalescence PF 16% CP (Ultradent) |
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| Dental Bleaching impact in quality of life with Opalescence PF | Other | Evaluation of oral quality of life after dental bleaching treatment with Opalescence PF 16% CP (Ultradent) using an oral quality of life measuring questionnaire, specifically the Oral Health Impact Profile-14 |
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| ID | Term |
|---|---|
| C500417 | Vivastyle |
| D011788 | Quality of Life |
| ID | Term |
|---|---|
| D006304 | Health Status |
| D003710 | Demography |
| D015991 | Epidemiologic Measurements |
| D011634 | Public Health |
| D004778 | Environment and Public Health |
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