Described herein are methods and apparatuses to obtain an image, or a set of images, of a user's teeth from one or more predetermined viewing angles. These methods and apparatuses may include guiding a user to capture a predetermined set of images of the user's teeth at specified views using an indicator that is output from a mobile telecommunications device, wherein the indicator indicates to the user one or more positions of the mobile telecommunications device relative to a mouth of the user. The captured images are uploaded to provide a treatment progress evaluation.