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

Universidade Federal do Para50 enrolled

Overview

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.

Study Type

INTERVENTIONAL

Allocation

RANDOMIZED

Purpose

TREATMENT

Masking

DOUBLE

Enrollment

Conditions

Dentin Sensitivity

Interventions

Carbamide Peroxide (PC) 22%) + placebo gelOTHER

Application of one drop of Polanight bleaching agent (SDI, SP, Brazil) on each corresponding tooth in a tray that was used for 45 minutes a day, for a period of twenty-one days. After the bleaching treatment, the participants were instructed to wash the trays under running water and dry them. The volunteers were instructed to apply a small amount of placebo gel, without active ingredient, with color, texture and odor similar to 1.5% oxalate gel (Painless, BM4, SC, Brazil) in the spaces related to the vestibular portions of the teeth trays, which were used for 10 minutes.

Carbamide Peroxide (PC) 22%) + Potassium Oxalate gel 1.5%OTHER

Application of one drop of Polanight bleaching agent (SDI, SP, Brazil) on each corresponding tooth in a tray that was used for 45 minutes a day, for a period of twenty-one days. After the bleaching treatment, the participants were instructed to wash the trays under running water and dry them with absorbent paper. The volunteers applied a small amount of 1.5% potassium oxalate gel (Painless, BM4, SC, Brazil) in the spaces relative to the vestibular portions of the tray's teeth, which were used for 10 minutes.

Eligibility

Sex: ALLMin age: 18 YearsMax age: 29 YearsHealthy volunteers:

Medical Language ↔ Plain English

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.

Locations (1)

Federal University of Pará

Belém, Pará, Brazil

Outcomes

Primary Outcomes

dentin sensitivity

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.

Time frame: 21 days after the start of the whitening treatment

dental color assessment

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

Time frame: 21 days and 1 month after the bleaching treatment

Data from ClinicalTrials.gov

This platform is for informational purposes only and does not constitute medical advice. Always consult a qualified healthcare professional.