Use of Invisible Removable Aligners in the Mixed Dentition: a Literature Review
DOI:
https://doi.org/10.21270/archi.v11i5.5877Keywords:
Removable Orthodontic Appliances, Mixed Dentition, Clear AlignersAbstract
Introduction: Removable clear aligners were indicated to treat light or moderate crowding, in addition to closing small spaces with aesthetics, comfort and facilitated hygiene. However, as the research on the system advances, it is possible to treat more complex malocclusions and in mixed dentition. Objective: Review the literature on the use of removable clear aligners in mixed dentition. Methodology: This is a literature review searching in 6 different databases using the descriptors “Orthodontic Appliances, Removable”, “Dentition, Mixed” and alternative terms. Results: Of the 119 articles, 7 were selected to compose this review following the inclusion and exclusion criteria. Literature Review and Discussion: In the mixed dentition phase, there is agreement among the studies in reporting cases of use of removable clear aligners with the objective of maintaining and recovering space, correction of crowding, mild expansion of the maxillary arch, correction of anterior crossbite, deep bite correction, mild class II and III correction. The aligner exchange protocol ranged from 3 to 14 days, using 4 to 127 aligners. Conclusion: Most articles report the use of systems from the company Align Technology. Accessories for aligners expanded the possibilities with aligners being used in all reported malocclusions, while complementary orthodontic appliances were rarely reported. It can be considered a promising orthodontic alternative in the treatment of certain malocclusions in mixed dentition, however observational studies with larger samples and randomized clinical trials are needed to determine the results.
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