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If i buy another e90 with working internals can I assemble one that works out of the dummy and the working one?
u/drbilalarafeh — 8 days ago


If i buy another e90 with working internals can I assemble one that works out of the dummy and the working one?
I've noticed that a few of my patients had lots of tartar on their lower incisors on follow up appointments 2 weeks after in house whitening. Does anyone have the same experience?