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A Comparative Randomized Prospective Clinical Study on Modified Erich Arch Bar with Conventional Erich Arch Bar for
V Venugopalan1, G Satheesh1, A Balatandayoudham1
1Department of Oral and Maxillofacial Surgery, Indira Gandhi Institute of Dental Sciences, Puducherry, India.
Annals of Maxillofacial Surgery
|March 12, 2021
Summary
The modified Erich arch bar significantly reduces surgical time and wire prick injuries compared to the conventional arch bar. This improved method offers superior maxillomandibular fixation (MMF) with better oral hygiene and tooth vitality.
Area of Science:
- Oral and Maxillofacial Surgery
- Dental Materials Science
Background:
- Conventional Erich arch bars for maxillomandibular fixation (MMF) present risks of injury, increased operating time, and gingival trauma.
- While modified Erich arch bars aim to mitigate these issues, limited literature exists on their comparative efficacy.
Purpose of the Study:
- To compare the efficiency and clinical outcomes of modified Erich arch bars versus conventional Erich arch bars for MMF.
Main Methods:
- A randomized comparative study involving 32 patients requiring MMF.
- Patients were allocated to receive intermaxillary fixation (IMF) with either modified or conventional Erich arch bars.
- Key parameters assessed included surgical time, wire injuries, fixation stability, and tooth vitality.
Main Results:
- The modified Erich arch bar group showed significantly reduced intraoperative time and wire prick injuries (P < 0.0001).
- Improved oral hygiene (debris indices) was observed in the modified arch bar group (P < 0.0001).
- Significantly fewer instances of tooth non-vitality occurred with the modified arch bar compared to the conventional type (P < 0.05).
Conclusions:
- The modified Erich arch bar demonstrates superior efficiency and clinical benefits over the conventional arch bar for MMF.
- This suggests a favorable alternative for achieving maxillomandibular fixation with enhanced patient outcomes.
