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Transpalatal Arch

The Trans-Palatal Arch is comprised of stainless steel rings (bands) around the posterior teeth (usually molars) and a looped wire that spans the palate (roof of the mouth) without touching it.


✓ Usage The Trans-Palatal Arch is used to hold upper molars in place, stabilizing the position of these teeth during or after the movement of other teeth. The TPA can also be used to rotate molars into more ideal positions to improve the bite and to help the molars move as a unit when working together with TADs.

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