Does keeping the same NITI wire inside the mouth more than 6 months change its strength or effectiveness?

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An arch wire engaged into two adjacent slots can be in Equilibrium with which of the following ?

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Dana Rifat Mohammed

keeping it more than 2 months affect it's effectiveness...and of course it should be replaced if permanent deformation occurs.

Almustafa Alhumadi

@Dana Rifat Mohammed thank you dr. for your valuable answer.

Jörg Glockengießer

Dana Rifat Mohammed Hi Dana, do you have a reference in the literature? I'm just curious. Thanks!