Evaluation of the effect of anatomical shaping of the nasal preform area in orthognathic patients

Evaluation of changes in external airway resistance and basal alar size following Lefort 1 osteotomy with anatomical shaping of the nasal preform area in orthognathic surgery patients

Status

Recruiting

Phases

Unknown

Study type

Interventional

Source

IRCT

Registry ID

IRCT20200704047996N2

Enrollment

Registered

2022-02-10

Start date

2022-01-28

Completion date

Unknown

Last updated

2022-03-08

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

Conditions

Complications of orthognathic surgery.

Interventions

Intervention 1: Intervention group: A typical Le Fort I osteotomy is performed to separate the maxilla and correct its position. In the intervention group, to control the position of the nasal alar ba

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Patients undergoing orthodontic treatment and are candidates for maxillofacial surgery The amount of movement of the maxilla is less than 3 mm

Exclusion criteria

Exclusion criteria: History of trauma and fracture in the middle of the face Patients with a history of congenital facial abnormalities (such as cleft palate)

Design outcomes

Primary

Measure	Time frame
Width of nasal alar base. Timepoint: 3 months before surgery and 3 months after surgery. Method of measurement: Soft tissue calipers.;Respiratory function. Timepoint: 3 months before surgery and 3 months after surgery. Method of measurement: rhinometry test.	—

Countries

Iran (Islamic Republic of)

Contacts

Public ContactAli kazemi

Esfahan University of Medical Sciences

alikazemi_dnt@yahoo.com+98 31 4264 8448

Outcome results

None listed

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