+ Site Statistics
+ Search Articles
+ PDF Full Text Service
How our service works
Request PDF Full Text
+ Follow Us
Follow on Facebook
Follow on Twitter
Follow on LinkedIn
+ Subscribe to Site Feeds
Most Shared
PDF Full Text
+ Translate
+ Recently Requested

Three-dimensional titanium miniplates for fixation of subcondylar mandibular fractures: Comparison of five designs using patient-specific finite element analysis



Three-dimensional titanium miniplates for fixation of subcondylar mandibular fractures: Comparison of five designs using patient-specific finite element analysis



Journal of Cranio-Maxillo-Facial Surgery 46(3): 391-397



The purpose of the current study is to compare the performance of five designs of three-dimensional titanium miniplates (lambda, strut, delta, rhombic and trapezoid) for fixation of subcondylar mandibular fracture. Three-dimensional models were constructed for the five miniplates with their screws and integrated into a virtually fractured mandible that was derived from a computed tomographic image of living human. Patient-specific finite element models were analyzed to compare the performances of the miniplates. Miniplates were compared for titanium hardware volume, condylar head displacement, bone strains and miniplates' stresses. Least condylar head displacement, and thereby best fixation primary stability, was found in the trapezoid miniplate. On the other hand, the greatest displacements were found in lambda and strut miniplates. Bone strains, as an indicator of secondary stability, predicted high strains in bone around the screws affixing the delta miniplate. Therefore, high risk of failure due to screws loosening is expected when using the delta miniplate. Stresses in miniplates were excessive in the strut and lambda miniplates, which implies a high risk of miniplate fracture. The current findings predicted significant differences in performance among the different designs of three-dimensional miniplates. The trapezoid miniplate seems to have the best performance, as it provided the greatest rigidity with relatively low bone strains.

Please choose payment method:






(PDF emailed within 0-6 h: $19.90)

Accession: 065623420

Download citation: RISBibTeXText

PMID: 29311022

DOI: 10.1016/j.jcms.2017.12.020


Related references

A biomechanical analysis of titanium miniplates used for treatment of mandibular symphyseal fractures with the finite element method. Oral Surgery Oral Medicine Oral Pathology Oral Radiology and Endodontics 109(3): E21-E27, 2010

Comparison of Neck Screw and Conventional Fixation Techniques in Mandibular Condyle Fractures Using 3-Dimensional Finite Element Analysis. Journal of Oral and Maxillofacial Surgery 73(7): 1321-1327, 2015

Evaluation of two internal fixation techniques for mandibular parasymphyseal fractures comparing conventional titanium miniplates with customised titanium CRB omega miniplates: a prospective study. British Journal of Oral and Maxillofacial Surgery 56(6): 520-524, 2018

Comparison of titanium and biodegradable miniplates for fixation of mandibular fractures. Journal of Oral and Maxillofacial Surgery 68(9): 2065-2069, 2010

Efficacy of Retromandibular Transparotid Approach for the Management of Extracapsular Subcondylar Mandibular Fractures Using 2-mm Titanium Miniplates: A Prospective Clinical Study. Journal of Oral and Maxillofacial Surgery 74(8): 1613-1621, 2016

Which fixation methods are better between three-dimensional anatomical plate and two miniplates for the mandibular subcondylar fracture open treatment?. Journal of Cranio-Maxillo-Facial Surgery 47(5): 771-777, 2019

Assessment of the Biomechanical Performance of 5 Plating Techniques in Fixation of Mandibular Subcondylar Fracture Using Finite Element Analysis. Journal of Oral and Maxillofacial Surgery 74(4): 794.E1-8, 2016

Biomechanical Loading Comparison between Titanium and Unsintered Hydroxyapatite/Poly-L-Lactide Plate System for Fixation of Mandibular Subcondylar Fractures. Materials 12(9):, 2019

A Comparative Study of 3-Dimensional Titanium Versus 2-Dimensional Titanium Miniplates for Open Reduction and Fixation of Mandibular Parasymphysis Fracture. Journal of Maxillofacial and Oral Surgery 15(1): 93-98, 2016

The influence of stress distribution in four different fixation systems used in treatment of mandibular angle fractures – a three-dimensional finite element analysis. Oral Surgery, 2013

Comparative evaluation of different miniplates for internal fixation of mandible fractures using finite element analysis. Journal of Oral and Maxillofacial Surgery 66(6): 1225-1232, 2008

A Comparative Evaluation of Fixation Techniques in Anterior Mandibular Fractures Using 2 mm Monocortical Titanium Miniplates Versus 24 mm Cortical Titanium Lag Screws. 2012

A Comparative Evaluation of Fixation Techniques in Anterior Mandibular Fractures Using 2.0 mm Monocortical Titanium Miniplates Versus 2.4 mm Cortical Titanium Lag Screws. Journal of Maxillofacial and Oral Surgery 11(4): 442-450, 2012

Bite Force as a Parameter for Comparison Between Three-Dimensional and Standard Titanium Miniplates for the Management of Anterior Mandibular Fractures: A Prospective Randomized Double-Blinded Clinical Trial. Journal of Maxillofacial and Oral Surgery 18(2): 249-255, 2019

Treatment of Mandibular Angle Fractures with Single Three-Dimensional Locking Miniplates without Maxillomandibular Fixation: How Much Fixation Is Required?. Craniomaxillofacial Trauma and Reconstruction 10(3): 188-196, 2017