A box of 3-D models 24-year-old student Amos Dudley made of his teeth. The model labeled "3" rests on a 3-D-printed tray Dudley made to make impressions of his teeth with a putty-like material. Also in the box are a clear plastic aligner and other 3-D models used to make more aligners, each one pushing the problematic teeth further into place. Jon Kalish for NPR hide caption

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New Jersey Student Uses 3-D Printer For DIY Dental Work

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Mexico's 2010 census counted fewer than 5,500 residents in Los Algodones, but more than 350 dentists ply their trade here, serving U.S. and Canadian patients seeking affordable procedures. Ted Robbins/NPR hide caption

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A Reason To Smile: Mexican Town Is A Destination For Dental Tourism

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Kamora Cyprian got her teeth cleaned at a free health care event in the Los Angeles Sports Arena in September 2012. Kevork Djansezian/Getty Images hide caption

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Legal Loopholes Leave Some Kids Without Dental Insurance

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Health care reform should make it easier for many children to get routine dental checkups that are covered by insurance. Terry J Alcorn/iStockphoto.com hide caption

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Marcia Esters hopes charity will pay for dental work that Medicaid used to cover. Erika Beras hide caption

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Pennsylvania Cuts Medicaid Coverage For Dental Care

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