Evaluation of the effect of diode laser on bacterial load

Evaluation of the Effect of 940 nm Diode Laser Radiation on the Number of Periopathogen Microorganisms in the Gingival Crevicular Fluid of Patients Undergoing Fixed Orthodontics without Gingival Inflammation

Status

Active, not recruiting

Phases

Phase 3

Study type

Interventional

Source

IRCT

Registry ID

IRCT20241120063784N1

Enrollment

Registered

2025-01-13

Start date

2024-05-21

Completion date

Unknown

Last updated

2025-02-03

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

Conditions

Patients undergoing fixed orthodontic treatment.

Interventions

Intervention 1: Intervention group: Maxillary second premolars that receive diode laser irradiation at a wavelength of 940 nm in a non-continuous mode for 30 seconds. The laser irradiation is applied

Eligibility

Sex/Gender

All

Age

15 Years to 35 Years

Inclusion criteria

Inclusion criteria: Patients must be healthy with no periodontal diseases (gingivitis and periodontitis) At least three months must have passed since the start of fixed orthodontic treatment Individuals must have no underlying or systemic diseases

Exclusion criteria

Exclusion criteria: Patients show any sign of systemic or syndromic disease Patients showing poor oral hygiene The individual is over 35 or under 15 years of age

Design outcomes

Primary

Measure	Time frame
Number of periopathogen microorganisms. Timepoint: Calculating the number of periopathogen microorganisms before laser irradiation, after laser irradiation and two weeks after the initial laser therapy. Method of measurement: Bacterial colony count per unit volume of the culture medium.	—

Countries

Iran (Islamic Republic of)

Contacts

Public ContactHabib Olad

Ilam University of Medical Sciences

habib.olad@gmail.com+98 84 3224 6526

Outcome results

None listed

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