Re: Invisilne braces and RP

From: Geir Gu­mundsson (
Date: Wed Feb 07 2001 - 11:31:32 EET

Dear Richard Lott

The company is Align Technology Inc.

You can read all about it here:

They use SLA machines to produce these braces.

They have patent on this: US 5.975.893
The patent describe the process in details.

If you or anybody on the RP- mailinglist, know of
any new RP methods in dentistry, please let
me know. The use of EDM in dental restoration
as described by Stephen M. Schmitt is very

Best regards,

Geir Gudmundsson
Project manager
Materials and Environmental Technology
IceTec (Technological Inst. of Iceland)
IS-112 Reykjavik
Tel: (+354) 570 7100; Direct (+354) 570 7192
Mobile : (+354) 899 1832; Fax: (+354) 570 7111 on 06.02.2001 17:39:39

cc: (bcc: Geir Gu­mundsson/Idntaeknistofnun)
Subject: Invisilne braces and RP

I read that RP is used in the process of manufacturing Invisiline dental
braces. Does anyone have details as to what process is used?

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