The Precise Midline Positioning Instrument for Le Fort I Osteotomy

Area of Science:

• Oral and Maxillofacial Surgery
• Orthognathic Surgery
• Surgical Instrumentation

Background:

• Le Fort I osteotomy is a common procedure for correcting midface discrepancies.
• Deviations in the horizontal plane of the posterior maxilla can complicate surgical outcomes.
• Precise repositioning of the maxillary bone segment is crucial for successful orthognathic surgery.

Purpose of the Study:

• To develop and validate a novel instrument for precise midline positioning during Le Fort I osteotomy.
• To enhance the accuracy of maxillary bone segment relocation and reduce surgical deviations.
• To provide a simple, efficient, and labor-saving method for improving Le Fort I osteotomy outcomes.

Main Methods:

• Development of a precise midline positioning instrument specifically designed for Le Fort I osteotomy.
• Validation of the instrument's ability to guide the accurate relocation of the truncated maxillary bone segment.
• Utilizing the instrument's amplification effect on posterior maxillary rotation and micro-movements.

Main Results:

• The precise midline positioning instrument significantly improves the accuracy of Le Fort I osteotomy.
• The instrument effectively guides the precise movement and pairing of the maxillary bone segment.
• The developed method demonstrates simplicity, efficiency, and labor-saving benefits.

Conclusions:

• The precise midline positioning instrument is a valuable tool for enhancing Le Fort I osteotomy accuracy.
• This innovation offers a reliable solution for reducing horizontal deviations in posterior maxillary repositioning.
• The instrument contributes to improved outcomes in orthognathic surgery through precise bone segment manipulation.