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Introduction <p>The management of mandibular fractures has advanced from external fixation to internal methods such as miniplates and microplates. Microplates offer potential advantages, including reduced implant bulk, improved adaptability, and fewer complications.</p> Aim <p>To compare the clinical and biomechanical outcomes of two titanium miniplates versus a combination of one titanium microplate and one miniplate in mandibular fracture fixation.</p> Materials and Methods <p>A randomized clinical study was conducted on 22 male patients (aged 15–50) with isolated symphysis or parasymphysis fractures. Group A (<i>n</i> = 11) received one microplate and one miniplate; Group B (<i>n</i> = 11) received two miniplates. Clinical parameters assessed included pain (VAS), infection, paraesthesia, occlusion stability, fracture mobility, and radiographic healing. Bite force was measured at the right molar, incisor, and left molar regions preoperatively and at 1, 3, and 6 weeks, and 3 months postoperatively.</p> Results <p>Both groups showed significant improvements in bite force and clinical parameters over time. No significant differences were found between groups regarding pain, infection, occlusal stability, or radiographic healing. Bite force at 3 months approached normal values in both groups, with slightly lower incisor force in Group A. All reported cases of paraesthesia resolved by the 3-month follow-up. No hardware failure occurred in either group.</p> Conclusion <p>The microplate–miniplate combination is a clinically effective alternative to dual miniplate fixation for interforaminal mandibular fractures, with comparable healing and functional outcomes. Its use may reduce implant-related complications, though larger studies with extended follow-up are needed.</p>

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Comparison of Standard Two Miniplate with Microplate-Miniplate Combination in Open Reduction Internal Fixation of Mandibular Fracture

  • 期刊论文

  • 发表日期：

    2026年2月9日

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  • Aman Choudhary,
  • P. Vigneshkumar,
  • Subhas Chandra Debnath,
  • Tanmoy Nath,
  • Rupshikha Choudhury,
  • Priyangana Nath

摘要

Introduction

The management of mandibular fractures has advanced from external fixation to internal methods such as miniplates and microplates. Microplates offer potential advantages, including reduced implant bulk, improved adaptability, and fewer complications.

Aim

To compare the clinical and biomechanical outcomes of two titanium miniplates versus a combination of one titanium microplate and one miniplate in mandibular fracture fixation.

Materials and Methods

A randomized clinical study was conducted on 22 male patients (aged 15–50) with isolated symphysis or parasymphysis fractures. Group A (n = 11) received one microplate and one miniplate; Group B (n = 11) received two miniplates. Clinical parameters assessed included pain (VAS), infection, paraesthesia, occlusion stability, fracture mobility, and radiographic healing. Bite force was measured at the right molar, incisor, and left molar regions preoperatively and at 1, 3, and 6 weeks, and 3 months postoperatively.

Results

Both groups showed significant improvements in bite force and clinical parameters over time. No significant differences were found between groups regarding pain, infection, occlusal stability, or radiographic healing. Bite force at 3 months approached normal values in both groups, with slightly lower incisor force in Group A. All reported cases of paraesthesia resolved by the 3-month follow-up. No hardware failure occurred in either group.

Conclusion

The microplate–miniplate combination is a clinically effective alternative to dual miniplate fixation for interforaminal mandibular fractures, with comparable healing and functional outcomes. Its use may reduce implant-related complications, though larger studies with extended follow-up are needed.