Efficacy and predictability of maxillary and mandibular expansion with the Invisalign® system

BACKGROUNDThe purpose of this study is to evaluate the efficacy and predictability of upper and lower orthodontic expansion with the Invisalign® system. MATERIAL AND METHODSFrom a sample of 167 patients; 64 upper and 51 lower arches were randomly selected from patients who had been treated with plas...

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Bibliographic Details
Published in:Journal of clinical and experimental dentistry 2021-07, Vol.13 (7), p.e669-e677
Main Authors: Vidal-Bernárdez, M., Vilches-Arenas, Á., Sonnemberg, B., Solano-Reina, E., Solano-Mendoza, B.
Format: Article
Language:English
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Summary:BACKGROUNDThe purpose of this study is to evaluate the efficacy and predictability of upper and lower orthodontic expansion with the Invisalign® system. MATERIAL AND METHODSFrom a sample of 167 patients; 64 upper and 51 lower arches were randomly selected from patients who had been treated with plastic orthodontics (Invisalign® aligners, SmartTrack® material). Digital models were extracted at the beginning (ModT1) and at the end of treatment (ModT2) as well as the final ClinCheck® (CkT2). The canine, premolar and molar width was measured at the gingival and cuspid level of both arches, as well as the inclination of the upper first molar. Likewise, both arches were divided regarding the planned expansion at the level of the first molar into mild, moderate and severe. RESULTSThe efficacy of expansion in the upper and lower arches showed a statistically significant difference (p
ISSN:1989-5488
1989-5488
DOI:10.4317/jced.58315