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Open AccessAnalysis of Biomechanical Effects of Different Sites and Modes of Orthodontic Loading On Arch Expansion in a Preadolescent Mandible: An FEA Study
Analysis of Biomechanical Effects of Different Sites and Modes of Orthodontic Loading On Arch Expansion in a Preadolescent Mandible: An FEA Study
1College of Stomatology, Chongqing Medical UniversityChongqing key, Laboratory of Oral Diseases and Biomedical Sciences, Chongqing Municipal Key Laboratory of Oral Biomedical Engineering of Higher Education, Chongqing, China
*Corresponding Author(s): Jinlin Song E-mail: 1265380218@qq.com
*Corresponding Author(s): Chao Wang E-mail: glanz_family@yahoo.com
Abstract
Introduction: The aim of commencing treatment in younger age is to rectify the developing dento-alveolar, skeletal and muscular imbalances. With growing dependence on arch development and expansion, the pendulum is oscillating more towards the non-extraction treatment lately, in resolving constriction and crowding issues. Since, a limited number of attempts have been made for mandibular expansion, this study aimes to evaluate the effect of different modes and sites of loading on the expansion of preadolescent mandible using biomechanics. Study design: To address the research purpose, a total of 9 Finite Element models were simulated. Biomechanical response of the mandibular bone and dentition was analyzed under different loading conditions including site and mode, using the simulated FE models. Results: The values of displacement envisaged by the FE models, predict hybrid mode to offer substantial expansion of the mandibular bone as compared to tooth borne and bone borne. In addition, biomechanical effect of site II on mandibular expansion in terms of displacement on X-axis, was significant. Conclusion: In conclusion, the results of our study suggest hybrid mode at site II to be better option for true bony expansion in preadolescent mandible.
Keywords
Mandibular expansion, stress, strain, displacement, FEA
Cite and Share
Ajmera Deepal Haresh,Singh Pradeep,Jinlin Song,Chao Wang,Yubo Fan. Analysis of Biomechanical Effects of Different Sites and Modes of Orthodontic Loading On Arch Expansion in a Preadolescent Mandible: An FEA Study. Journal of Clinical Pediatric Dentistry. 2018. 42(4);314-323.
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