A periodontal ligament driven remodeling algorithm for orthodontic tooth movement.
While orthodontic tooth movement (OTM) gains considerable popularity and clinical success, the roles played by relevant tissues involved, particularly periodontal ligament (PDL), remain an open question in biomechanics. This paper develops a soft-tissue induced external (surface) remodeling procedure in a form of power law formulation by correlating time-dependent simulation in silico with clinical data in vivo (p<0.05), thereby providing a systematic approach for further understanding and prediction of OTM. The biomechanical stimuli, namely hydrostatic stress and displacement vectors experienced in PDL, are proposed to drive tooth movement through an iterative hyperelastic finite element analysis (FEA) procedure. This algorithm was found rather indicative and effective to simulate OTM under different loading conditions, which is of considerable potential to predict therapeutical outcomes and develop a surgical plan for sophisticated orthodontic treatment.
School of Aerospace, Mechanical and Mechatronic Engineering, The University of Sydney, NSW 2006, Australia.
Junning
J
Chen
School of Aerospace, Mechanical and Mechatronic Engineering, The University of Sydney, NSW 2006, Australia.
Wei
W
Li
Faculty of Dentistry, The University of Sydney, NSW 2006, Australia.
Michael V
MV
Swain
Faculty of Dentistry, The University of Sydney, NSW 2006, Australia.
M
M
Ali Darendeliler
School of Aerospace, Mechanical and Mechatronic Engineering, The University of Sydney, NSW 2006, Australia. Electronic address: qing.li@sydney.edu.au.
Qing
Q
Li
D000293:Adolescent; D000328:Adult; D000465:Algorithms; D016723:Bone Remodeling / Q000502:physiology*; D003198:Computer Simulation; D005260:Female; D020342:Finite Element Analysis; D006801:Humans; D008297:Male; D008954:Models, Biological; D010513:Periodontal Ligament / Q000502:physiology*; D014087:Tooth Movement Techniques / Q000379:methods*; D055815:Young Adult
Hydrostatic stress; Hyperelastic finite element analysis; Maxilla; Orthodontic tooth movement; Periodontal ligament; Surface remodeling