# Retrospective Evaluation of Posterior Direct Restorations

> **NCT04827823** · — · COMPLETED · sponsor: **Western University, Canada** · enrollment: 80 (actual)

## Conditions studied

- Dental Caries Class II

## Interventions

- **OTHER:** Retrospective evaluation of amalgam and composite restorations

## Key facts

- **NCT ID:** NCT04827823
- **Lead sponsor:** Western University, Canada
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2017-05-10
- **Primary completion:** 2017-09-22
- **Final completion:** 2017-12-15
- **Target enrollment:** 80 (ACTUAL)
- **Last updated:** 2021-04-28


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04827823

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04827823, "Retrospective Evaluation of Posterior Direct Restorations". Retrieved via AI Analytics 2026-06-25 from https://api.ai-analytics.org/clinical/NCT04827823. Licensed CC0.

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