RecruitingNot Applicable

Effects of PBM on Fixed-appliance Orthodontic Patients

Hong Kong50 participantsStarted 2024-01-20

Plain-language summary

The aim of this study is to investigate the effects of photobiomodulation therapy (PBM) on the dental and periodontal health of patients undergoing fixed-appliance orthodontic treatment, including orthodontically induced root resorption, orthodontic pain, space closing rate, and dental microbiome profile in dental plaques.

Who can participate

Age range18 Years – 35 Years

SexALL

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Inclusion criteria

✓. Patients aged between 18 and 35 years old with permanent dentition
✓. Patients who undertake orthodontic treatment using fixed appliances
✓. Patients who require extraction of premolars in either their upper or lower dental arch
✓. Patients who have fair oral hygiene habits
✓. Patients who are systemically healthy

Exclusion criteria

✕. Patients with generalized dental caries and severe chronic periodontitis in stages III and IV
✕. Patients with congenital or severe craniofacial anomalies which necessitate orthognathic surgery
✕. Patients with physical or mental impairment, and those who smoke or undertake systemic medications
✕. Patients with current root resorption at any of the teeth
✕. Patients with endodontic treatment and/or large restorations on premolars to be extracted

What they're measuring

Orthodontic-induced inflammatory root resorption (OIIRR)

Timeframe: baseline, 3 months after intrusive force loading

Trial details

NCT IDNCT06199674

SponsorThe University of Hong Kong

Sponsor typeOTHER

Study typeINTERVENTIONAL

Primary completion2027-06-01

Contact for this trial

Zhiyi Shan

852-28590451 shanzhiy@hku.hk

View on ClinicalTrials.gov More Orthodontics trials