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Biomechanical analysis of rapid maxillary expansion in the UCLP patient.
Med Eng Phys. 2009 Apr; 31(3):409-17.ME

Abstract

This study was designed to investigate the biomechanical effects of rapid maxillary expansion (RME) in the patient with unilateral cleft lip and palate (UCLP). A finite element model of a patient's craniofacial complex with UCLP was created using data from spiral computed tomographic (CT) scanning. A transversal displacement with a magnitude of 5mm was applied on the maxillary premolar and first permanent molar crown of the model simulating the clinical situation. The stress and deformation within the craniofacial complex were then calculated and analyzed during 0.25- and 5-mm expansions. The corresponding orthodontic forces on each loaded tooth were also calculated. Obtained results revealed the biomechanical performance of the craniofacial complex with UCLP undergoing RME, including the distribution pattern of the stress and displacement, the transmission and dissipation of the orthodontic force, the stress level and the magnitude of the orthodontic force. All these findings could help us better comprehend the biomechanical mechanism of RME in the UCLP patient and provided theoretic data for optimizing surgical assisted RME in clinic.

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Authors+Show Affiliations

Wang D
School of Mechanical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China. dmwang@sjtu.edu.cn
Cheng L
No affiliation info available
Wang C
No affiliation info available
Qian Y
No affiliation info available
Pan X
No affiliation info available

MeSH

AdolescentBiocompatible MaterialsBiomechanical PhenomenaBone and BonesCleft LipCleft PalateFemaleFinite Element AnalysisHumansImaging, Three-DimensionalMaxillaPalatal Expansion TechniqueSkullStress, MechanicalTooth

Pub Type(s)

Journal Article
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

18760953

Citation

Wang, Dongmei, et al. "Biomechanical Analysis of Rapid Maxillary Expansion in the UCLP Patient." Medical Engineering & Physics, vol. 31, no. 3, 2009, pp. 409-17.
Wang D, Cheng L, Wang C, et al. Biomechanical analysis of rapid maxillary expansion in the UCLP patient. Med Eng Phys. 2009;31(3):409-17.
Wang, D., Cheng, L., Wang, C., Qian, Y., & Pan, X. (2009). Biomechanical analysis of rapid maxillary expansion in the UCLP patient. Medical Engineering & Physics, 31(3), 409-17. https://doi.org/10.1016/j.medengphy.2008.06.011
Wang D, et al. Biomechanical Analysis of Rapid Maxillary Expansion in the UCLP Patient. Med Eng Phys. 2009;31(3):409-17. PubMed PMID: 18760953.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Biomechanical analysis of rapid maxillary expansion in the UCLP patient. AU - Wang,Dongmei, AU - Cheng,Liang, AU - Wang,Chengtao, AU - Qian,Yufen, AU - Pan,Xiaogang, Y1 - 2008/08/29/ PY - 2007/05/18/received PY - 2008/06/24/revised PY - 2008/06/25/accepted PY - 2008/9/2/pubmed PY - 2009/5/12/medline PY - 2008/9/2/entrez SP - 409 EP - 17 JF - Medical engineering & physics JO - Med Eng Phys VL - 31 IS - 3 N2 - This study was designed to investigate the biomechanical effects of rapid maxillary expansion (RME) in the patient with unilateral cleft lip and palate (UCLP). A finite element model of a patient's craniofacial complex with UCLP was created using data from spiral computed tomographic (CT) scanning. A transversal displacement with a magnitude of 5mm was applied on the maxillary premolar and first permanent molar crown of the model simulating the clinical situation. The stress and deformation within the craniofacial complex were then calculated and analyzed during 0.25- and 5-mm expansions. The corresponding orthodontic forces on each loaded tooth were also calculated. Obtained results revealed the biomechanical performance of the craniofacial complex with UCLP undergoing RME, including the distribution pattern of the stress and displacement, the transmission and dissipation of the orthodontic force, the stress level and the magnitude of the orthodontic force. All these findings could help us better comprehend the biomechanical mechanism of RME in the UCLP patient and provided theoretic data for optimizing surgical assisted RME in clinic. SN - 1350-4533 UR - https://www.unboundmedicine.com/medline/citation/18760953/Biomechanical_analysis_of_rapid_maxillary_expansion_in_the_UCLP_patient_ L2 - https://linkinghub.elsevier.com/retrieve/pii/S1350-4533(08)00111-2 DB - PRIME DP - Unbound Medicine ER -