The effect of space arrangement between anterior teeth on their retraction with clear aligners in first premolar extraction treatment: a finite element study.

Prog Orthod · 2023 · PMC10519906 · PMID 37747552

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an increasing trendno p-value reported

When the space increased above 0.5 mm, the sagittal movement showed an increasing trend, but was still smaller than that in the control (i.e., without a space).

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