This invention describes oral appliances, like retainers or aligners, that have tiny sensors built into them. These sensors work in pairs, with one part sending a signal and another part receiving it, all within the appliance itself. A computer then analyzes these signals to understand things like how the appliance is positioned, if it's worn out, or how much force it's applying, and can suggest adjustments to a patient's treatment.
Why it matters: Advances in AI and machine learning since 2021 make interpreting complex sensor data and automating treatment plan modifications much more robust.
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