# Fluoride Varnish X Glass Ionomer Sealant on Cervical Dentin Hypersensitivity

> **NCT04591444** · PHASE3 · COMPLETED · sponsor: **University of Sao Paulo** · enrollment: 121 (actual)

## Conditions studied

- Dentin Hypersensitivity
- Dentin Sensitivity

## Interventions

- **DRUG:** Fluoride Varnish
- **DRUG:** Glass Ionomer Sealant
- **OTHER:** Placebo Group

## Key facts

- **NCT ID:** NCT04591444
- **Lead sponsor:** University of Sao Paulo
- **Sponsor class:** OTHER
- **Phase:** PHASE3
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2017-01
- **Primary completion:** 2019-10
- **Final completion:** 2020-03
- **Target enrollment:** 121 (ACTUAL)
- **Last updated:** 2020-10-20


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04591444

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04591444, "Fluoride Varnish X Glass Ionomer Sealant on Cervical Dentin Hypersensitivity". Retrieved via AI Analytics 2026-06-12 from https://api.ai-analytics.org/clinical/NCT04591444. Licensed CC0.

---

*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*