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Slotplates revisited - A retrospective analysis.
Brandaan G R Zigterman1, Maurice Y Mommaerts1
1European Face Centre (Head: Prof. Maurice Y. Mommaerts), Universitair Ziekenhuis Brussel, Vrije Universiteit Brussel, Belgium.
Summary
Slotplates may have higher morbidity rates compared to meshplates in facial reconstructive surgery, though more research is needed. Plate removal and delayed union were more frequent with slotplates.
Area of Science:
- Oral and Maxillofacial Surgery
- Plastic Surgery
- Biomedical Engineering
Background:
- Slotplates are designed for facial skeleton corrective surgeries, allowing intraoperative adjustments.
- Their design facilitates minor bone fragment repositioning in the midface and chin without plate removal.
Purpose of the Study:
- To compare morbidity rates between slotplates and meshplates.
- The comparison focused on procedures like Le Fort I osteotomy, genioplasty, and zygoma osteotomy.
Main Methods:
- Retrospective analysis of 190 patients undergoing 257 surgeries.
- Comparison of outcomes between patients who received slotplates (109) and meshplates (81).
Main Results:
- Slotplate group: 9.2% infection rate, 11.0% plate removal rate.
- Meshplate group: 7.4% infection rate, 4.9% plate removal rate.
- Two cases of delayed union occurred, both in the slotplate group, with one non-union.
Conclusions:
- No statistically significant differences were detected due to low study power.
- A trend suggests higher morbidity associated with slotplates.
- Mechanical weakness as a cause of fatigue fractures with slotplates is considered.
