# Effectiveness on SDF Solution and PVP-I Combined NaF Varnish in Preventing Root Caries in Elders

> **NCT03654820** · NA · UNKNOWN · sponsor: **The University of Hong Kong** · enrollment: 353 (actual)

## Conditions studied

- Root Caries

## Interventions

- **DEVICE:** PVP-I solution combined with NaF varnish
- **DEVICE:** SDF solution

## Key facts

- **NCT ID:** NCT03654820
- **Lead sponsor:** The University of Hong Kong
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** UNKNOWN
- **Start date:** 2017-08-03
- **Primary completion:** 2020-01-15
- **Final completion:** 2020-01-15
- **Target enrollment:** 353 (ACTUAL)
- **Last updated:** 2018-09-05


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03654820

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03654820, "Effectiveness on SDF Solution and PVP-I Combined NaF Varnish in Preventing Root Caries in Elders". Retrieved via AI Analytics 2026-06-30 from https://api.ai-analytics.org/clinical/NCT03654820. Licensed CC0.

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