Status:
COMPLETED
Clinical Effectiveness of In-office Bleaching Activated With a LED/Laser Device
Lead Sponsor:
Universidade Estadual de Ponta Grossa
Conditions:
Tooth Discoloration
Eligibility:
All Genders
18-30 years
Phase:
PHASE4
Brief Summary
There is a controversy in the dentistry literature about how the use of associated light to activate 35% hydrogen peroxide gel during in-office tooth bleaching may increase the bleaching effectiveness...
Detailed Description
The aim of this study is to compare the color change and tooth sensitivity of in-office bleaching using different hydrogen peroxide concentrations and with or without light activation. Sixty patients ...
Eligibility Criteria
Inclusion
- Participants should be at least 18 years old;
- Participants should have good general and oral health
- Participants should have six caries-free maxillary anterior teeth without restorations on the labial surfaces
- Participants should be willing to sign a consent form
- Participants should have central incisors darker than shade C2.
Exclusion
- Participants that had undergone tooth-whitening procedures
- Participants that had labial anterior restorations, were pregnant or lactating.
- Participants with severe internal tooth discoloration (such as tetracycline stains, fluorosis, pulpless teeth).
- Participants with bruxism habits or any gross pathology in the mouth
Key Trial Info
Start Date :
January 1 2011
Trial Type :
INTERVENTIONAL
Allocation :
ACTUAL
End Date :
September 1 2011
Estimated Enrollment :
60 Patients enrolled
Trial Details
Trial ID
NCT01231243
Start Date
January 1 2011
End Date
September 1 2011
Last Update
December 6 2011
Active Locations (1)
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1
School of Dentistry - Universidade Estadual de Ponta Grossa
Ponta Grossa, Paraná, Brazil, 84030-900