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Minne Ties Hybrid Arch Bar System vs. Erich Arch Bars: A Cadaveric Comparison Study
Jeffrey Mella1, François E Proulx2, Alan W Johnson1,3
1Department of Otolaryngology-Head & Neck Surgery, University of Minnesota, Minneapolis, MN 55455, USA.
Craniomaxillofacial Trauma & Reconstruction
|February 23, 2026
Summary
The Minne Ties Hybrid Arch Bar System (MTHAB) offers faster application and removal times for maxillomandibular fixation (MMF) compared to traditional Erich Arch Bars (EABs). This novel MMF technology also enhances surgeon usability and safety.
Area of Science:
- Oral and Maxillofacial Surgery
- Biomedical Engineering
- Trauma Management
Background:
- Erich Arch Bars (EABs) have been the standard for maxillomandibular fixation (MMF) since World War II.
- EABs present challenges including lengthy application/removal times, sharps injury risks, and compromised patient comfort/hygiene.
Purpose of the Study:
- To evaluate the Minne Ties Hybrid Arch Bar System (MTHAB) as a novel MMF technology.
- To compare MTHAB against traditional EABs in a cadaveric model.
Main Methods:
- A cadaveric study utilizing specimens with near-complete dentition.
- Trained surgeons applied both MTHAB and EAB systems.
- Measurements included occlusal forces, elastic load increases, application/removal times, and surgeon usability surveys.
Main Results:
- MTHAB significantly reduced application time (19.8 vs. 35.2 min) and removal time (1.6 vs. 5.1 min) compared to EABs (p < 0.05).
- Surgeons reported higher ease of use and safety ratings for MTHAB.
- Both systems achieved acceptable occlusal forces, though MTHAB required more elastics for comparable results.
Conclusions:
- MTHAB demonstrates potential as an advancement in MMF technology, improving surgical efficiency and safety.
- Further clinical trials are necessary to assess long-term outcomes and fixation stability.
- MTHAB offers a promising balance between fixation strength, efficiency, and safety in MMF.
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