Maxillary Positioning in Orthognathic Surgery

Accuracy of Maxillary Positioning Using Patient Specific Implant Versus Occlusal Splint in Orthognathic Surgery (A Randomized Clinical Trial)

Status

Enrolling by invitation

Phases

Unknown

Study type

Interventional

Source

ClinicalTrials.gov

Registry ID

NCT07671794

Enrollment

Registered

2026-06-26

Start date

2026-06-15

Completion date

2026-07-01

Last updated

2026-06-26

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

Conditions

Orthognathic Surgical Procedures, Patient Specific Implant

Brief summary

Patient that need corrective Jaw Surgery went into Maxillary Positioning in one of two groups either Maxilla Fixed using occlusal waver or PSI

Interventions

PROCEDUREMaxillary Orthognathic Surgery

Maxillary Positioning using PSI or Occlusal Waver

Study design

Allocation

RANDOMIZED

Intervention model

PARALLEL

Primary purpose

TREATMENT

Masking

NONE

Eligibility

Sex/Gender

ALL

Age

18 Years to No maximum

Healthy volunteers

Yes

Inclusion criteria

Inculsion Criteria * Adult patients with dentofacial deformities, including skeletal Class II deformity, skeletal Class III deformity, vertical maxillary excess, and facial asymmetry. * Patients seeking definitive surgical correction and declining orthodontic camouflage treatment. * Cases required maxillary impaction, advancement, or rotational movements.

Exclusion criteria

Medically compromised patients. * Uncooperative or noncompliant patients. * Patients with poor oral hygiene or active periodontal disease.

Design outcomes

Primary

Measure	Time frame	Description
Accuracy of Maxillary Positioning	1 years	Superimposition of the preoperative plan and the postoperative result on the CT (Digital Measurement in the X, Y and Z axis in millimeters )

Countries

Egypt

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Jun 27, 2026