Effect of root canal disinfection by 980nm Diode laser on post operative pain after single visit root canal treatment of first and second mandibular molars

Effect of root canal disinfection by 980nm Diode laser on post operative pain after single visit root canal treatment of first and second mandibular molars: A randomized clinical trial

Status

Recruiting

Phases

Unknown

Study type

Interventional

Source

IRCT

Registry ID

IRCT20220529055019N1

Enrollment

Registered

2022-09-03

Start date

2022-09-17

Completion date

Unknown

Last updated

2022-11-21

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

Conditions

Pulp necrosis. Necrosis of pulp

Interventions

Intervention 1: Intervention group: Laser : After preparation of the canal, the laser radiation will be performed by a 980 nm diode laser in the root canal. Irradiation will be performed in 4 pulses,

Eligibility

Sex/Gender

All

Age

18 Years to 50 Years

Inclusion criteria

Inclusion criteria: All the patients must have pulp necrosis of mandibular molar. Patients must be between 18 to 50 years old.

Exclusion criteria

Exclusion criteria: Patients who have taken antibiotics in the month before the intervention. Patients taking analgesia 12 hours before the intervention. Teeth that have already undergone endodontic treatment. Patients who have acute pain at the time of intervention.

Design outcomes

Primary

Measure	Time frame
Pain after endodontic treatment. Timepoint: Immediately after treatment, 4 hours, 12 hours, 24 hours, 48 hours, 72 hours and 7 days after treatment. Method of measurement: Visual Analogue Scale.	—

Countries

Iran (Islamic Republic of)

Contacts

Public ContactMahdieh Esmaeili

Islamic Azad University

mahdiehesmaeili1998@gmail.com+98 21 2259 1550

Outcome results

None listed

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