Smart STL delivers 12 aligners at a time. At the end of each stage, DM compares where the teeth actually are against where the plan expected them to be, and the next batch is produced accordingly.
If this article did not resolve your question, your practice manager is your first point of contact for case and product support. For anything that needs a tracked outcome, start a chat with the OneSmile Concierge using the chat button on this page. Include the patient name, the case number and the current aligner number so it can be actioned without a follow-up question.