Effect of low level laser therapy on paresthesia

Evaluation of the low level laser photobiomodulation effect on post Lefort I and sagittal split osteotomy surgery neurosensory deficits enhancement with quantitative electrodiagnostic neurosensory test (blink reflex)

Status

Recruiting

Phases

Unknown

Study type

Interventional

Source

IRCT

Registry ID

IRCT20191228045909N1

Enrollment

Registered

2020-03-02

Start date

2020-02-12

Completion date

Unknown

Last updated

2020-03-24

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

Conditions

Condition 1: Post-orthognathic surgery paresthesia. Condition 2: Jaw deformity. Paresthesia of skin Dentofacial anomalies [including malocclusion]

Interventions

Intervention 1: Intervention group: one side, called treated site was randomly chosen for low level laser therapy by portable device (GaAlAs) in day 1, 5, 10 and 14 after orthognathic surgery. Exposur

Eligibility

Sex/Gender

All

Age

18 Years to 30 Years

Inclusion criteria

Inclusion criteria: healthy systemic status age 18-30 healthy neurological system Signature of consent form Patients candidate for orthognathic surgery

Exclusion criteria

Exclusion criteria: Any local or systemic disease age under 18 and over 30 years history of trauma and jaw fracture history of previous maxillofacial surgery Undesirable splint during operation Pregnancy Immune system defects smoking Taking muscle relaxant and sedative and anti-inflammatory drugs over the past 3 months Failure to attend follow-up sessions

Design outcomes

Primary

Measure	Time frame
The mean latency of R1, R2 and R2' (msec) in blink reflex electromyography. Timepoint: Before surgery, 2 and 3 months after surgery. Method of measurement: Blink reflex electromyography.	—

Countries

Iran (Islamic Republic of)

Contacts

Public ContactAlireza Tamizifar

Esfahan University of Medical Sciences

alirezatamizifar@dnt.mui.ac.ir+98 31 3260 0885

Outcome results

None listed

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