A systematic review finds dietary changes differ with clear aligners versus fixed appliances during early treatment, highlighting dietary impacts.
During the first 6 months, multibracket appliances may affect diet more negatively than clear aligners and this pattern does not seem to be explained by differences in pain. Given the low-to-moderate certainty of evidence and indirect diet assessment using items from broader oral health-related quality of life instruments, these results should be interpreted with caution.
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Iacobelli et al. (2025) studied this question.
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