| http://www.w3.org/ns/prov#value | - No. 09/835,039 filed Apr. 13, 2001, the contents of which are incorporated by reference herein. [0066] The virtual patient model, or some portion thereof, such as data describing a three-dimensional model of the teeth in initial and target or treatment positions, is useful information for generating customized orthodontic appliances for treatment of the patient.
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