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Sep 09th

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Ortho. Brackets

NTI Device delivery with Orthodontic Brackets

Example clincal application of an NTI "IG" device delivered in the presence of orthodontic brackets.

For the first several days following the adjustments, tightening, and replacing of the orthodontic arch-wire,

the movement of the teeth is at its most dynamic. During the remainder of the time before the next

adjustment, the teeth are being retained in their positions by the wires are brackets. It is during

this recurring stabilization phase that an NTI device can be used to reduce nocturnal clenching intensity.

Example patient has chronic headaches, anterior edge-to-edge bite.	Cotton rolls establish eventual posterior freeway space. Labial wall of IG device removed to avoid brackets. Practitioner is holding device to confirm eventual incisal contact.	Patient biting on IG device filled with heated TPB material. If there had been incisal overlap to begin with, the cotton rolls would not have been necessary, as the IG's DE would've created adequate freeway space.
Device has been removed, placed in cold water to allow TPB to harden, and reseated.	Typically (as was the case here), retention is inadequate.	To obtain better retention, the distals ends of the device were dipped in hot water. The TPB material then gets "sticky", allowing additional pre-heated TPB material to be added directly to the existing material.
Final delivery in place.	Lingual side of finished device.	Device can be immersed in hot water for 4 or 5 seconds to slightly soften the internal interface, and re-adatped multiple times! (as the teeth move to new positions)