# Comparison of Bonding Failure Rates of Fixed Lingual Mandibular Retainers in a French Sample Aged 11 or Older, Comparing Prior Enamel Sandblasting With Conventional Pumice Polishing

> **NCT03954145** · NA · COMPLETED · sponsor: **University Hospital, Strasbourg, France** · enrollment: 88 (actual)

## Conditions studied

- Detachment of Glued Mandibular Post-orthodontic Restraints

## Interventions

- **PROCEDURE:** Enamel pumicing before bonding the lingual retainer.
- **PROCEDURE:** Enamel sandblasting before bonding the lingual retainer.

## Key facts

- **NCT ID:** NCT03954145
- **Lead sponsor:** University Hospital, Strasbourg, France
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2019-10-08
- **Primary completion:** 2021-05-20
- **Final completion:** 2021-05-21
- **Target enrollment:** 88 (ACTUAL)
- **Last updated:** 2025-10-01


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03954145

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03954145, "Comparison of Bonding Failure Rates of Fixed Lingual Mandibular Retainers in a French Sample Aged 11 or Older, Comparing Prior Enamel Sandblasting With Conventional Pumice Polishing". Retrieved via AI Analytics 2026-06-30 from https://api.ai-analytics.org/clinical/NCT03954145. Licensed CC0.

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