We use helix coils or rogers loops for our active retainers. Depends on the space.
How many of you dup the master model prior to cutting/resetting the teeth?
I have found that fitting the retainer back to the master model will teach you a bunch about how your springs should function. Nothing is worse than resetting a bunch of teeth that the Dr has to strip contacts on only to find there is little or no chance of getting the retainer in the mouth.
We have added this step to all our ortho appliances. I have always chuckle when I see other techs retainer cases that are sent back with a model that is totally destroyed from fast and sloppy salt and peppering. Presenting the retainer with a pristine model is what we try to do in my lab. The extra labor to fab this model/check the fit of the appliance sure saves the doc time on the delivery.
Do more to charge more to make more. Say that over and over today!!!
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