# Effect of Shortening the Etching Time on the Clinical Performance of Resin Composite Restorations in Primary Teeth

> **NCT02969538** · NA · UNKNOWN · sponsor: **Universidade Federal de Santa Maria** · enrollment: 70 (estimated)

## Conditions studied

- Dental Caries

## Interventions

- **OTHER:** Total etching time
- **OTHER:** Half-reduced etching time

## Key facts

- **NCT ID:** NCT02969538
- **Lead sponsor:** Universidade Federal de Santa Maria
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** UNKNOWN
- **Start date:** 2016-11
- **Primary completion:** 2017-05
- **Final completion:** 2017-11
- **Target enrollment:** 70 (ESTIMATED)
- **Last updated:** 2016-11-21


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT02969538

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT02969538, "Effect of Shortening the Etching Time on the Clinical Performance of Resin Composite Restorations in Primary Teeth". Retrieved via AI Analytics 2026-09-16 from https://api.ai-analytics.org/clinical/NCT02969538. Licensed CC0.

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