Fuente: WIPO "tomato" Dental appliances with aesthetic features and associated methods and systems are provided. In some embodiments, a dental appliance includes a shell having a plurality of cavities, the shell configured to reposition a patient's teeth from a first tooth arrangement toward a second tooth arrangement. The dental appliance can also include a mask region integrally formed with the shell. The mask region can be configured to cover at least one tooth of the patient's teeth and can depict the at least one tooth according to a target tooth arrangement.