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Salivary levels of eluents during Invisalign™ treatment with attachments: an in vivo investigation

Progress in Orthodontics 2024 2 citations ? Citation count from OpenAlex, updated daily. May differ slightly from the publisher's own count. Score: 40 ? 0–100 AI score estimating relevance to the microplastics field. Papers below 30 are filtered from public browse.

Larissa Stocker, Larissa Stocker, Spyridon N. Papageorgiou, Sevasti‐Kiriaki Zervou, George Eliades, Spyridon N. Papageorgiou, Stephania Karakousoglou, Theodore Eliades Stephania Karakousoglou, Theodoros M. Triantis, Anastasia Hiskia, George Eliades, Theodore Eliades

Summary

Researchers measured chemical leaching from Invisalign clear aligners and their resin attachments in real patients, finding elevated BPA levels during treatment that dropped after the attachments were removed, though other plastic breakdown products remained. The findings raise concerns about plastic chemical exposure from orthodontic devices worn directly in the mouth.

Elevated levels of BPA were traced instantaneously in patients treated with Invisalign™ and flowable resin composite attachments for the testing period. BPA was reduced after attachment removal, but residual monomers and resin degradation products were found after removal. Alternative resin formulations and attachment materials may be utilized to reduce eluents.

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