Mottled teeth
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: Patient from 18 years of age; upper teeth free of caries; anterior superior teeth free of restorations on the vestibular face; central or canine incisors showing coloration C2 or darker
Exclusion criteria
Exclusion criteria: Pregnant or lactating; Smokers; Users of fixed orthodontic appliance; Individuals with severe intrinsic stains on the teeth; Users of drugs with anti-inflammatory and antioxidant action; Participants with a previous history of dental sensitivity or any associated pathology
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Bleaching effect obtained with 37% carbamide peroxide compared to 35% hydrogen peroxide through a subjective method with Vita Classical and Vita Bleaching color scales, oriented in order of value, and an objective method with the EasyShade spectrophotometer after two sessions of tooth whitening. Where it is expected to observe greater bleaching effectiveness with 35% hydrogen peroxide.;Presence or absence of genotoxic effect through the technique of exfoliative cytology and counting of cellular micronuclei, in a space of one thousand cells, after bleaching treatment | — |
Secondary
| Measure | Time frame |
|---|---|
| Absolute risk and sensitivity intensity after bleaching treatment, through numerical pain and visual analogue scales. Where a decrease in the 37% carbamide peroxide group is expected. | — |
Countries
Brazil
Contacts
Universidade Federal do Amazonas - UFAM