Effect of low-level laser therapy on tooth-root length shortening during orthodontic treatment

Effect of low-level laser therapy on external root resorption during orthodontic tooth movement- a randomized controlled trial - LERO

Status

Active, not recruiting

Phases

Phase 2

Study type

Interventional

Source

CTRI

Registry ID

CTRI/2018/04/013520

Enrollment

Registered

2018-04-27

Start date

Unknown

Completion date

Unknown

Last updated

2021-11-24

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Health Condition 1: null- Humans with dental malocclusion

Interventions

Intervention1: Low Level Diode laser: Diode laser of wavelength 980nm, power output 100mW, energy output 4J/sq cm. Control Intervention1: Not applicable: Not applicable

Eligibility

Inclusion criteria

Inclusion criteria: Subjects requiring bilateral first premolar extractions in either or both maxillary and mandibular arches for orthodontic treatment. Subjects with healthy first premolars with no history of any therapeutic procedure and/or trauma.

Exclusion criteria

Exclusion criteria: 1.Subjects with signs of periodontal disease. 2.Subjects with history of any prior systemic disease or long term medications affecting bone metabolism. 3.Subjects with history of previous orthodontic treatment. 4.Subjects with radiographic signs of pre-existing root resorption.

Design outcomes

Primary

Measure	Time frame
Effect of LLLT on root resorption during orthodontic tooth movementTimepoint: 28days from date of first intervention (laser irradiation)	—

Secondary

Measure	Time frame
Occurrence of adverse effects on alveolar bone or mucosaTimepoint: Follow up till 3 months	—

Countries

India

Contacts

Public ContactNida Nayyer

Maulana Azad Institute of Dental Sciences

drtulikatripathi@yahoo.com9654700979

Outcome results

None listed

Source: CTRI (via WHO ICTRP) · Data processed: Feb 24, 2026