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Am J Orthod Dentofacial Orthop. 2018 Dec;154(6):877-882. doi: 10.1016/j.ajodo.2018.07.013.

CAD-CAM design and 3-dimensional printing of mini-implant retained orthodontic appliances.

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Private Practice, Belp, Switzerland.
Private Practice, Perth, Australia; Faculty of Science, University of Western Australia, Crawley, Western Australia, Australia; Department of Dentistry, Boston Children's Hospital, Boston, Mass; Department of Developmental Biology, Harvard School of Dental Medicine, Boston, Mass.
Department of Orthodontics, University of Düsseldorf, Düsseldorf, Germany. Electronic address:


The objective of this article was to illustrate the digital process in the custom fabrication of metallic mini-implant supported appliances. An implant-supported appliance was produced for a patient using a CAD-CAM procedure without a physical impression or a printed model. The work flow consisted of mini-implant insertion into the palate, recording an intraoral digital scan, digital design with incorporation of a scanned expansion mechanism, direct 3-dimensional metal printing via laser melting, laser welding of the hyrax mechanism, insertion, and activation of the appliance. The favorable clinical outcome demonstrated that this procedure is an efficient and viable method for constructing an implant-supported palatal metallic appliance.

[Indexed for MEDLINE]

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