low-intensity laser effect on orthodontic pain reduction

Evaluation of low-intensity laser(940 nm) effect on orthodontic pain reduction after placement of elastomeric separators

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

IRCT

Registry ID

IRCT20200423047182N1

Enrollment

Registered

2020-07-25

Start date

2018-12-08

Completion date

Unknown

Last updated

2020-08-17

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

Conditions

orthodontic pain.

Interventions

Intervention 1: Intervention group: Elastomeric separators (American Orthodontics) were inserted using separator placing plier (Falcon,DO.270.160) interproximal across the permanent first molars (both

Eligibility

Sex/Gender

All

Age

12 Years to No maximum

Inclusion criteria

Inclusion criteria: permanent dentition no dental caries in both arches

Exclusion criteria

Exclusion criteria: history of orthodontic treatment history of analgesic and bisphosphonate medications in the last week space in the mesial and distal contact area between maxillary first and second maxillary and second maxillary premolars

Design outcomes

Primary

Measure	Time frame
Chewing and spontaneous pain. Timepoint: Measuring pain at the beginning of the study (immediately after placing the elastomeric separators), 6 hours, 24 hours, 48 hours, 72 hours and 96 hours after placing the elastomeric separators. Method of measurement: Visual Analogue Scale(numeric).	—

Countries

Iran (Islamic Republic of)

Contacts

Public ContactAli Tayebi

Qazvin University of Medical Sciences

dralitayebi@gmail.com+98 28 3335 5898

Outcome results

None listed

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