Journal of Oral Science Research ›› 2019, Vol. 35 ›› Issue (12): 1115-1118.DOI: 10.13701/j.cnki.kqyxyj.2019.12.003

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Root Resorption of Clear Aligner Treatment

XIA Lulu1, HUA Xianming1,2*   

  1. 1. The State Key Laboratory Breeding Base of Basic Science of Stomatology and Key Laboratory of Oral Biomedicine Ministry of Education, School and Hospital of Stomatology, Wuhan University, Wuhan 430079, China;
    2. Department of Orthodontics, Hospital of Stomatology, Wuhan University, Wuhan 430079, China.
  • Received:2018-12-11 Online:2019-12-28 Published:2019-12-23

Abstract: Clear aligner is popular to patients for the advantages of invisibility, comfortability, aesthetics, hygiene, and predictability. Root resorption is an issue that orthodontists cannot avoid in clinical practice. Compared with conventional fixed appliances, aligners have obvious technical advantages, but their root resorption problems cannot be avoided. Clear aligner is a private custom-made removable appliance. Therefore, the root resorption in clear aligner treatment is not the same as that in the conventional fixed appliance treatment. The material and mechanical properties are different among aligners of different company. This article intends to review the researches about the root resorption in clear aligner treatment and the factors' analyses so as to provide a theoretical basis for the clinical application of clear aligners.

Key words: invisalign, clear aligner, root resorption