# The Caries-arresting Effect of Incorporating fTCP to NaF Varnish Applied Following AgNO3 in Preschool Children

> **NCT03423797** · PHASE3 · COMPLETED · sponsor: **The University of Hong Kong** · enrollment: 408 (actual)

## Conditions studied

- Early Childhood Caries

## Interventions

- **DRUG:** 25% AgNO3 solution followed by 5% NaF
- **DRUG:** 25% AgNO3 solution followed by 5% NaF with fTCP

## Key facts

- **NCT ID:** NCT03423797
- **Lead sponsor:** The University of Hong Kong
- **Sponsor class:** OTHER
- **Phase:** PHASE3
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2017-09-01
- **Primary completion:** 2020-05-01
- **Final completion:** 2020-08-30
- **Target enrollment:** 408 (ACTUAL)
- **Last updated:** 2020-11-04


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03423797

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03423797, "The Caries-arresting Effect of Incorporating fTCP to NaF Varnish Applied Following AgNO3 in Preschool Children". Retrieved via AI Analytics 2026-05-31 from https://api.ai-analytics.org/clinical/NCT03423797. Licensed CC0.

---

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