Clear aligners were designed for adult teeth that have stopped moving on their own. They are now sold for children of six and up, whose jaws are still growing and whose baby teeth are still falling out, and parents are choosing them. What is actually known about that is thinner than the marketing suggests. The published evidence sits in case series, small comparisons and manufacturer-linked studies, using different systems, different wear protocols and different aims, from correcting a crossbite to steering the growth of a jaw. One paper reports how straight the teeth ended up, the next how many hours a day the child wore the trays, the next neither. Nobody has laid it side by side, so it is hard to say what has been shown and harder to say what has never been studied at all. This project sets the literature out aim by aim, records what each study actually measured, and says where the evidence stops. A good part of the writing will be about absence, which is an uncomfortable paper to write and a useful one to publish.
Read up on how clear aligners work and why moving a child's teeth is not the same as moving an adult's. Take one treatment aim, read the papers gathered for it, tabulate what each study measured, and write that section.
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