# Clinical Evaluation of Sectional Matrix Versus Circumferential Matrix for Reproduction of Proximal Contact

> **NCT03795727** · NA · COMPLETED · sponsor: **Cairo University** · enrollment: 48 (actual)

## Conditions studied

- Proximal Contact

## Interventions

- **DEVICE:** MD ring and precontoured sectional matrix by TOR VM
- **DEVICE:** Circumferential matrix and tofflemire retainer by Kerr

## Key facts

- **NCT ID:** NCT03795727
- **Lead sponsor:** Cairo University
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2020-01-20
- **Primary completion:** 2020-02-12
- **Final completion:** 2020-03-12
- **Target enrollment:** 48 (ACTUAL)
- **Last updated:** 2020-04-21


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03795727

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03795727, "Clinical Evaluation of Sectional Matrix Versus Circumferential Matrix for Reproduction of Proximal Contact". Retrieved via AI Analytics 2026-06-09 from https://api.ai-analytics.org/clinical/NCT03795727. Licensed CC0.

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