In-office Bleaching With a 2-day Interval Between Sessions: Tooth Sensitivity
3 other identifiers
observational
40
1 country
1
Brief Summary
The calcium containing 35% hydrogen peroxide gel employed in this study can be re-applied 2 days after the first bleaching session without increasing the bleaching-induced tooth sensitivity
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P25-P50 for all trials
Started Aug 2011
Shorter than P25 for all trials
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
Study Start
First participant enrolled
August 1, 2011
CompletedPrimary Completion
Last participant's last visit for primary outcome
December 1, 2011
CompletedStudy Completion
Last participant's last visit for all outcomes
August 1, 2012
CompletedFirst Submitted
Initial submission to the registry
October 6, 2013
CompletedFirst Posted
Study publicly available on registry
October 10, 2013
CompletedOctober 10, 2013
October 1, 2013
4 months
October 6, 2013
October 9, 2013
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
Tooth sensibility
1 year
Secondary Outcomes (1)
Color
1 year
Study Arms (2)
Control
Standard treatment
2 days
bleaching treatments made in 2 days
Eligibility Criteria
Participants included in this clinical trial were at least 18 years old and had good general and oral health. Participants were recruited by means of visual communication through posters in the university and in stores at Umuarama city. A total of 116 participants were examined in a dental chair to check if they met the inclusion and exclusion criteria.
You may qualify if:
- The participants should have:
- At least six maxillary and mandibular anterior teeth caries-free. Without restorations on the labial surfaces. The central incisors should be C2 or darker according to a value-oriented shade guide (Vita Lumin).
You may not qualify if:
- Pre-existing anterior restorations. Pregnant/lactating. Severe internal tooth discoloration (tetracycline stains, fluorosis, pulpless teeth).
- Taking any drug with anti-inflammatory and antioxidant action. Bruxism habits or any other pathology that could cause Tooth Sensbility (such as recession, dentine exposure).
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
Universidade Paranaense - UNIPAR
Umuarama, Paraná, 87.502-210, Brazil
Related Publications (1)
de Paula EA, Nava JA, Rosso C, Benazzi CM, Fernandes KT, Kossatz S, Loguercio AD, Reis A. In-office bleaching with a two- and seven-day intervals between clinical sessions: A randomized clinical trial on tooth sensitivity. J Dent. 2015 Apr;43(4):424-9. doi: 10.1016/j.jdent.2014.09.009. Epub 2014 Sep 23.
PMID: 25257824DERIVED
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Study Officials
- PRINCIPAL INVESTIGATOR
Eloisa A Paula, MD
Universidade Estadual de Ponta Grossa
Study Design
- Study Type
- observational
- Observational Model
- CASE CONTROL
- Time Perspective
- PROSPECTIVE
- Sponsor Type
- OTHER
- Responsible Party
- PRINCIPAL INVESTIGATOR
- PI Title
- Student
Study Record Dates
First Submitted
October 6, 2013
First Posted
October 10, 2013
Study Start
August 1, 2011
Primary Completion
December 1, 2011
Study Completion
August 1, 2012
Last Updated
October 10, 2013
Record last verified: 2013-10