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Finite Element Analysis Model for Assessing Expansion Patterns from Surgically Assisted Rapid Palatal Expansion
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Mandibular Fracture Fixation Using Various Plate Designs: A Finite Element Analysis.

Nureldeen A N Elhammali1, Vaibhav Chougule2, Naiya Pathak3

  • 1Department of Oral and Maxillofacial Surgery, Faculty of Dentistry, Sirte University, Sirte, Libya.

Annals of African Medicine
|June 19, 2026
PubMed
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This summary is machine-generated.

Low-profile reconstruction plates offer superior biomechanical stability for mandibular fractures compared to other designs. Finite element analysis (FEA) showed they minimize stress and displacement, enhancing fracture healing.

Area of Science:

  • Biomechanics
  • Materials Science
  • Oral and Maxillofacial Surgery

Background:

  • Mandibular fractures are frequent maxillofacial injuries necessitating stable fixation.
  • Finite Element Analysis (FEA) is a valuable tool for assessing stress distribution in bone.
  • This study compares the biomechanical performance of four distinct mandibular fracture fixation plate designs.

Purpose of the Study:

  • To evaluate and compare the biomechanical performance of single miniplate, dual miniplates, grid-type plate, and low-profile reconstruction plate designs for mandibular fracture fixation using FEA.
  • To analyze stress distribution, maximum stress in bone and plates, and fracture segment displacement for each plate type under simulated biting forces.

Main Methods:

  • Generation of 100 mandibular models with standardized angle fractures for FEA.
Keywords:
Analyse par éléments finisFinite element analysiscontrainte de von Misesfracture mandibulairefracture stabilitylow-profile reconstruction platemandibular fractureplaque de reconstruction à profil basstabilité des fracturesvon Mises stress

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Published on: January 5, 2015

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  • Simulation of four plate types (single miniplate, dual miniplates, grid-type plate, low-profile reconstruction plate) made of Ti-6Al-4V alloy.
  • Analysis of stress distribution, maximum von Mises stress, and fracture segment displacement under 150 N bite force, followed by statistical analysis.

    • Main Results:

    • The single miniplate showed the highest bone and plate stress, and greatest fracture displacement.
    • Dual miniplates and grid-type plates demonstrated reduced bone stress and displacement compared to single miniplates.
    • Low-profile reconstruction plates exhibited the lowest bone and plate stress, minimal displacement, and uniform load distribution, indicating superior stability.

    Conclusions:

    • Plate design critically impacts the biomechanical stability of mandibular fracture fixation.
    • Low-profile reconstruction plates offer superior biomechanical performance, including optimal stress distribution and minimal displacement.
    • These findings suggest low-profile reconstruction plates enhance fracture stability more effectively than single, dual, or grid-type plates.