In vitro study compares trueness and precision of clear aligners, indicating direct-printed aligners perform better.
This in vitro study demonstrated that direct-printed aligners provided higher trueness and precision than thermoformed ones. Exposure to AS decreased the trueness and precision for both types. However, further studies are needed to validate the behaviors of direct-printed aligners clinically.
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Dantagnan et al. (2026) studied this question.
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