Comparison of different plating systems in bilateral para symphysis fractures: An original research

Surinder Singh Jamwal; Krishan Kant; Kannan Venugopal; Damarasingu Rajesh; Imran Khalid

doi:10.53730/ijhs.v6nS6.12723

Authors

Surinder Singh Jamwal
surindersinghjamwal@gmail.com
MDS, Consultant Oral and Maxillofacial Surgeon, Chandigarh
Krishan Kant Department of periodontics and oral implantology, Post graduate institute of dental sciences, Rohtak
Kannan Venugopal Department of Oral and Maxillofacial Surgery, PMS College of Dental Science and Research, Golden Hills, Vattapara, Trivandrum, Kerala
Damarasingu Rajesh OMFS, PhD Scholar, Dept of OMFS, Narsinhbhai Patel Dental College and Hospital, Sankalchand Patel University, Visnagar, Gujarat
Imran Khalid Assistant Professor, Department of Oral and Maxillofacial Surgery, College of Dentistry, King Khalid University, Abha, Saudi Arabia

Keywords:

finite element analysis, mandibular symphysis fracture, miniplate, mechanical stress

Abstract

Aim: The purpose of the present research was to evaluate the comparison of various plating systems used in treatment of bilateral para-symphysis fracture. Methodology: Fractures were generated in 3-dimensional finite element models, and were fixed with a single miniplate, parallel double miniplates, or perpendicular double miniplates. A 300 N perpendicular load was then applied on the left molar region, and a finite element analysis was performed. Vertical gaps between the fractured surfaces of bilateral para-symphyseal areas, maximum stress within the screw/plating system, and maximum stress around screw holes in the bone. Results: Compared to the single miniplate, both the parallel and perpendicular double miniplates demonstrated significantly less stress in the screw/plating system and screw holes in the bone. In addition, the perpendicular double miniplates had significantly smaller vertical gaps between fracture surfaces when compared to the single miniplate. Comparing parallel and perpendicular double miniplate fixations, less stress was found around the screw holes of the perpendicular miniplate models than those of the parallel miniplate models. There were no differences in vertical gaps or maximum stress within the screw/plating systems between the 2 double miniplate fixations.

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