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In digital orthodontics , there are systems available that digitally realign the patientteeth to make a series of 3D printed models for the manufacture of aligners .
 application: digital orthodontics; manufacturing process: 3D printed; concept or principle: manufacture
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: manufacturing standard, machanical property, manufacturing process, material, engineering feature, process parameter, machine or equipment, application, process characterization, enabling technology, biomedical, concept or principle 
Text: {0} 
Answer:
 application: digital orthodontics; manufacturing process: 3D printed; concept or principle: manufacture