Advances in orthodontic clear aligner materials

被引:156
作者
Bichu, Yashodhan M.
Alwafi, Abdulraheem [1 ,2 ]
Liu, Xiaomo [3 ]
Andrews, James
Ludwig, Bjoern [4 ]
Bichu, Aditi Y.
Zou, Bingshuang [1 ]
机构
[1] Univ British Columbia, Fac Dent, Dept Oral Hlth Sci, Vancouver, BC V6T 1Z3, Canada
[2] King Abdulaziz Univ, Fac Dent, Dept Dent Publ Hlth, Jeddah, Saudi Arabia
[3] Peking Univ, Sch & Hosp Stomatol, Dept Orthodont, Beijing, Peoples R China
[4] Univ Homburg, Dept Orthodont, Saar, Germany
关键词
Clear aligners; Bioactive materials; Shape memory polymers; Direct 3D printing; Environment; Review; MECHANICAL-PROPERTIES; THERMOPLASTIC MATERIALS; TOOTH MOVEMENT; STRESS-RELAXATION; INVISALIGN; 3D; EFFICACY; FORCE; BIOMATERIALS; POLYURETHANE;
D O I
10.1016/j.bioactmat.2022.10.006
中图分类号
R318 [生物医学工程];
学科分类号
0831 ;
摘要
Rapid technological improvements in biomaterials, computer-aided design (CAD) and manufacturing (CAM) have endorsed clear aligner therapy (CAT) as a mainstay of orthodontic treatment, and the materials employed for aligner fabrication play an all-important role in determining the clinical performance of clear aligners. This narrative review has attempted to comprehensively encompass the entire gamut of materials currently used for the fabrication of clear aligners and elucidate their characteristics that are crucial in determining their perfor-mance in an oral environment. Historical developments and current protocols in aligner fabrication, features of contemporary bioactive materials, and emerging trends related to CAT are discussed. Advances in aligner ma-terial chemistry and engineering possess the potential to bring about radical transformations in the therapeutic applications of CAT; in the absence of which, clear aligners would continue to underperform clinically, due to their inherent biomechanical constraints. Finally, while innovations in aligner materials such as shape memory polymers, direct three-dimensional (3D) printed clear aligners and bioactive materials combined with clear aligner materials are essential to further advance the applications of CAT; increased awareness of environmental responsibilities among aligner manufacturers, aligner prescribing clinicians and aligner users is essential for better alignment of our climate change goals towards a sustainable planet.
引用
收藏
页码:384 / 403
页数:20
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