Amos Dudley had braces in middle school, but he didn't wear a retainer like he was supposed to, so his teeth slowly shifted back. But as he had no money for the new set of braces, the digital-design major just decided to 3D-print one, using a high-quality printer at his university. The whole process cost him only 60$, too.
Dudley ran across a photo from a "name brand clear-alignment treatment" and noticed that the plastic looked like it had the layer striations from a 3D print. So what was to stop him from 3D-printing his own, he thought.
First he took a mold of his teeth with alginate powder. "These molds are very precise, and capture an amazing amount of detail," he writes. "There were some bubbles in the mold," but they wouldn't matter for the aligner.
Making this casting was simple, he says. "I put the mold upside down in a yogurt container, and then filled it with liquid Permastone," he writes. "When it came out, I simply broke off the top to reveal the casting, and used a razor blade to smooth out the surrounding area."
Now he had a better sense of what was going on with his teeth. You can tell specifically that the LI-r (right lateral incisor) juts out.
The laser scanning was reasonably painless, he says, though he describes the NextEngine software interface as "awful." "The dimensions of the scan seemed to correspond very closely to the dimensions I measured on the physical model with calipers," he writes. He also says creating the animation, which would show the path his teeth would take through different iterations of the braces, wasn't particularly difficult either.
These are the "steps" all 3D-printed out. "Labeling the pieces is critical," he advises. "They look virtually identical."
After the final versions of the braces came out of a vacuum-form machine, Dudley sanded down the edges so they wouldn’t irritate his gums.
Greetings from I2OR !!!
We are proud to announce the I2OR Awards 2017 for Researchers | Educators to recognize their contribution in the respective domain. I2OR provides a much desired platform for Researchers, Editors, Publishers and Conference Organizers through its exclusive services viz. Indexing of Research Journals, Listing of National/International Conferences, evaluating Publication Impact Factor (PIF), Conference Pairing Programs and Awards/Recognition. It is pertinent to mention here that I2OR is a database of 5500+ Indexed Journals, 200+ PIF Journals and a network of Academicians/Researchers across the globe working in the domain of Research & Education.
Nominations are invited in the following categories for the I2OR Awards 2017:
- I2OR Award 2017 for Researchers
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I2OR Awards - 2017 will be bestowed to the Educators | Researchers on the basis of various qualitative and the quantitative parameters for their constructive endeavours in the field of Education and Research. The aforesaid award will place the Individual Awardee in the elite category of quality Educators | Researchers and will enhance the coveted global reach of his/her Academic profile.
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Gurgaon Literature Festival 2017
We at Zorba Books are keen on opportunities to support literature festivals to expose our books and authors.
The latest literature festival, Gliterarti – the Gurgaon Literature Festival – took place on April 29th, 2017. Zorba Books was not only the proud sponsor of the event but also shared its expertise on self-publishing with an audience of book lovers and aspiring authors. Eminent authors like Ambassador Prabhu Dayal (author of “Karachi Halwa” – his memoirs of his stint in Pakistan as a diplomat – published by Zorba Books) and William Dalrymple (organizer of Jaipur Literature Festival) shared insights on their books and undertook a lively Q&A session with the audience.
You can view and read more about it here: https://www.zorbabooks.com/gl
Ms. Shalini Gupta the Founder Director of Zorba Books shared her thoughts on the advantages of self-publishing. She also answered a variety of questions from writers who wanted to become published authors. The book signing by Ambassador Prabhu Dayal and William Dalrymple attracted a queue of fans, lined up with books to be autographed. Zorba Books also exhibited titles of their authors which have been published in the recent past and received an excellent response from book lovers. Some links to video:
Come join hands with Zorba Books to become a published author and have your book showcased.
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That’s what Tateh Lehbib Breica, 27, does, building houses out of simple plastic bottles filled with sand in Algeria. The bottles are cemented together and are much more fitting to withstand the severe heat of the region than almost any other material.