Effect of low level laser therapy on pain control in initial stage of fixed orthodontic treatment

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

IRCT

Registry ID

IRCT20210404050846N1

Enrollment

Registered

2021-12-21

Start date

2020-08-16

Completion date

Unknown

Last updated

2022-01-11

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

Conditions

Evaluation of low-intensity laser effect on orthodontic pain reduction after placement of first archwire.

Interventions

Intervention 1: Intervention group: Right or left mandibular quadrant exposed to low intensity 940 nm laser with 100 mw power. Intervention 2: Control group: The right or left quadrant of the mandible

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Patient with permanent dentition Patient without a history of taking painkillers in the last week Patient with moderate and severe crowding based on Little’s irregularity index in mandible (4-9 mm)

Exclusion criteria

Exclusion criteria: Taking painkillers after the initial archwire and laser radiation

Design outcomes

Primary

Measure	Time frame
Reduction of spontaneous pain and pain during chewing after placing the initial wire. Timepoint: Immediately after placing the initial wire and up to 1 week at the end of every 24 hours. Method of measurement: visual analogue scale.	—

Countries

Iran (Islamic Republic of)

Contacts

Public ContactParviz Padisar

Qazvin University of Medical Sciences

drppadisar@gmail.com+98 28 3335 3061

Outcome results

None listed

Source: IRCT (via WHO ICTRP) · Data processed: Feb 4, 2026