# The Effectiveness of Low-level Laser Therapy in Orthodontic Retention for Periodontal-compromised Patients

> **NCT03765151** · NA · COMPLETED · sponsor: **The University of Hong Kong** · enrollment: 35 (actual)

## Conditions studied

- Orthodontics
- Periodontal Diseases

## Interventions

- **DEVICE:** low-level laser therapy
- **OTHER:** orthodontic retention

## Key facts

- **NCT ID:** NCT03765151
- **Lead sponsor:** The University of Hong Kong
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2018-10-01
- **Primary completion:** 2020-06-01
- **Final completion:** 2020-12-01
- **Target enrollment:** 35 (ACTUAL)
- **Last updated:** 2021-04-29


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03765151

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03765151, "The Effectiveness of Low-level Laser Therapy in Orthodontic Retention for Periodontal-compromised Patients". Retrieved via AI Analytics 2026-06-23 from https://api.ai-analytics.org/clinical/NCT03765151. Licensed CC0.

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