Hi John,
I used to dup models. Don't find it is required now, I do all the work on all the cases. In the past we gave it up as well, Orthodontists didn't want it in about 9 out of 10. Those that did, got it. We always give thme exactly what they want.
True alignment of reset teeth needs to allow for reality.
About 1 in 30 cases for spring aligners I do now come from a General dentist.
These few cases quite often are asking more than can be done with a single appliance, even a Inman aligner. In those cases, a truly good result really needs more treatment than a spring alingner allows for. They are an inexpensive alternative for people who can't or don't want to spend the money for ortho treatment.
For the spring aligners I make for ortho offices,the reset is slight in comparison. Less of an appliance, than a tooth positioner, for finish work.
Salt and pepper sloppy??? Every case I do is free of porosity and defect. Of 35 offices I work for, 5 want their models returned. To do dups of all would increase costs and lower profit for something that gets tossed immediately on return. Not to mention added cost for shipping the extra weight.
It is all in the final product quality that counts. More song and dance, is more song and dance.
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