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Effect of 1.5% Potassium Oxalate on the Control of Tooth Sensitivity and Color Change After Home Bleaching

Not Applicable
Completed
Conditions
Dentin Sensitivity
Registration Number
NCT05028335
Lead Sponsor
Universidade Federal do Para
Brief Summary

This double-blind randomized clinical trial evaluated the effect of 1.5% potassium oxalate on pain sensitivity control and color change after home tooth whitening. It also evaluated the influence of potassium oxalate on health-related quality of life (HRQOL) and on the degree of patient satisfaction after bleaching treatment.

Detailed Description

Not available

Recruitment & Eligibility

Status
COMPLETED
Sex
All
Target Recruitment
50
Inclusion Criteria
  • individuals aged 18 to 29 years of both sexes with chroma greater than A2 in the upper incisors and canines, in the Vita Classical color scale;
  • absence of active caries lesions
  • patients who had never undergone bleaching therapy;
  • good oral hygiene and no hypersensitivity to tactile and evaporative stimuli through the Visual Analog Pain Scale;
Exclusion Criteria
  • patients undergoing fixed orthodontic treatment;
  • patients with darkened non-vital teeth and/or with extensive restorations in molars;
  • presence of cracks or fractures;
  • patients allergic to the product, with the presence of gastroesophageal disorders and with dentinal exposure in anterior and/or posterior teeth.

Study & Design

Study Type
INTERVENTIONAL
Study Design
FACTORIAL
Primary Outcome Measures
NameTimeMethod
dental color assessment21 days and 1 month after the bleaching treatment

Color evaluation was performed using the EasyshadeAdvanced spectrophotometer (Vita-Zahnfabrik, GE, Germany), using the CIE L\*a\*b\* system.

dentin sensitivity21 days after the start of the whitening treatment

evaluation of dentinal sensitivity during treatment through a daily questionnaire, using a visual analogue scale with values from 0 to 10, with higher values indicating a worse level of pain.

Secondary Outcome Measures
NameTimeMethod

Trial Locations

Locations (1)

Federal University of Pará

🇧🇷

Belém, Pará, Brazil

Federal University of Pará
🇧🇷Belém, Pará, Brazil

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