# Stability of Maxillary Anterior Teeth After Two Years of Retention in Adolescents Comparing Two Bonded and a Vacuum-formed Retainer

> **NCT04616755** · NA · COMPLETED · sponsor: **Kronoberg County Council** · enrollment: 90 (actual)

## Conditions studied

- Orthodontic Appliance Complication

## Interventions

- **OTHER:** Measuring changes of Little´s irregularity index ( sum of 5 contact point discrepancies together) measured in mm 2 years after retention have been I place.

## Key facts

- **NCT ID:** NCT04616755
- **Lead sponsor:** Kronoberg County Council
- **Sponsor class:** OTHER_GOV
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2013-04
- **Primary completion:** 2018-08
- **Final completion:** 2020-08
- **Target enrollment:** 90 (ACTUAL)
- **Last updated:** 2020-11-13

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04616755

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04616755, "Stability of Maxillary Anterior Teeth After Two Years of Retention in Adolescents Comparing Two Bonded and a Vacuum-formed Retainer". Retrieved via AI Analytics 2026-05-27 from https://api.ai-analytics.org/clinical/NCT04616755. Licensed CC0.

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