Effectiveness of tranexamic acid in orthognathic surgery: A systematic review of systematic reviews.

Purpose: This study aimed to review the currently available evidence on the effectiveness of administering tranexamic acid (TXA) to patients undergoing orthognathic surgery.

Methods: A study protocol was developed in accordance with the Preferred Reporting Guideline for Overviews of Reviews (PRIOR) and registered on the International Prospective Register of Systematic Reviews (PROSPERO) under Registration No. CRD42021232931.

Is the volume of the maxillary sinus altered after LeFort I orthognathic surgery? A systematic review and meta-analysis.

Purpose: This systematic review and meta-analysis aimed to investigate anatomical changes in the maxillary sinus after LeFort I osteotomy.

Methods: The study protocol was developed in accordance with the Preferred Reporting Items for Systematic Reviews and Meta-Analysis Protocols, and it was registered with the International Prospective Register of Systematic Reviews under registration number CRD42021236412.

Results: Our search strategy yielded 64 articles.