10/23/2025
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From retainers to toothbrushes, nearly every part of modern dentistry and orthodontics involves—and is enhanced by—plastic, Zoë Schlanger reports. But the potential harm to patient health is still poorly understood. https://theatln.tc/R99uYJYc
Despite hand-wringing over microplastics from other sources, “when it comes to oral health, we welcome plastic intentionally, and sometimes permanently, directly in our mouths,” Schlanger continues.
“A robust body of research links chemical compounds that leak out of plastic to hormone disruption, developmental abnormalities, and cancer, but the effect of the actual fragments of plastic accumulating in our tissues and organs is less clear,” Schlanger writes. A growing body of statements and studies coming out of the dental and orthodontic professions ask if plastic may be harming patients, Schlanger writes. But “so far, few if any papers have looked at the issue in humans,” and many studies are still in their preliminary stages.
“The only way to get us out of the dental-plastic loop,” Schlanger continues, “will be to develop different materials.”
🎨: The Atlantic. Sources: Science Photo Library / Getty; Olena Sakhnenko / Getty.