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Comparison of Stability of Fracture Segments in Mandible Fracture Treated with Different Designs of Mini-Plates Using FEM Analysis

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Comparison of Stability of Fracture Segments in Mandible Fracture Treated with Different Designs of Mini-Plates Using FEM Analysis

Auteurs : Udupikrishna Joshi ; Manju Kurakar

Source :

Journal of Maxillofacial & Oral Surgery [ 0972-8279 ] ; 2013.

RBID : PMC:4082558

Abstract

Aim

To compare the displacement gap of mandible fracture segments treated with different designs of mini-plates under various loading conditions.

Materials and Methods

Fracture in the body of mandible was bridged with 15 different designs and configuration of titanium mini-plates. Bite forces were applied at 3 locations, ipsilateral fractured side, contra lateral side and incisor site. 3D finite element methods (FEM) model of mandible was generated using 10 nodal tetrahedral elements. A commercial FE solver was used to solve bone inter fragmentary displacement during loading.

Results

Superior position of mini-plates produced better stability than inferior position. Positive bending moments can be reduced by larger plate in lower border in 2 plate system. Results of X mini-plate are comparable to 2 plate configuration. If length of middle portion of plate increased, stability decreased. Number of screws did not affect fracture stability.

Conclusion

Finite element methods analysis is used to determine the gap between mandible fragments which is otherwise impossible to measure clinically. The results obtained from this study offered us a choice of mini-plate design and configuration for clinical application.

Url:

http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4082558

DOI: 10.1007/s12663-013-0510-y
PubMed: 25018606
PubMed Central: 4082558

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Udupikrishna Joshi

<affiliation><nlm:aff id="Aff1">Department of Oral and Maxillofacial Surgery, S. Nijalingappa Institute of Dental Sciences, Sedam Road, Gulbarga, 585105 Karnataka India</nlm:aff>
<wicri:noCountry code="subfield">585105 Karnataka India</wicri:noCountry>
</affiliation>

Manju Kurakar

<affiliation><nlm:aff id="Aff1">Department of Oral and Maxillofacial Surgery, S. Nijalingappa Institute of Dental Sciences, Sedam Road, Gulbarga, 585105 Karnataka India</nlm:aff>
<wicri:noCountry code="subfield">585105 Karnataka India</wicri:noCountry>
</affiliation>

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<series><title level="j">Journal of Maxillofacial & Oral Surgery</title>
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<front><div type="abstract" xml:lang="en"><sec><title>Aim</title>
<p>To compare the displacement gap of mandible fracture segments treated with different designs of mini-plates under various loading conditions.</p>
</sec>
<sec><title>Materials and Methods</title>
<p>Fracture in the body of mandible was bridged with 15 different designs and configuration of titanium mini-plates. Bite forces were applied at 3 locations, ipsilateral fractured side, contra lateral side and incisor site. 3D finite element methods (FEM) model of mandible was generated using 10 nodal tetrahedral elements. A commercial FE solver was used to solve bone inter fragmentary displacement during loading.</p>
</sec>
<sec><title>Results</title>
<p>Superior position of mini-plates produced better stability than inferior position. Positive bending moments can be reduced by larger plate in lower border in 2 plate system. Results of X mini-plate are comparable to 2 plate configuration. If length of middle portion of plate increased, stability decreased. Number of screws did not affect fracture stability.</p>
</sec>
<sec><title>Conclusion</title>
<p>Finite element methods analysis is used to determine the gap between mandible fragments which is otherwise impossible to measure clinically. The results obtained from this study offered us a choice of mini-plate design and configuration for clinical application.</p>
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Comparison of Stability of Fracture Segments in Mandible Fracture Treated with Different Designs of Mini-Plates Using FEM Analysis

Comparison of Stability of Fracture Segments in Mandible Fracture Treated with Different Designs of Mini-Plates Using FEM Analysis

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Abstract

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