Inclusion Criteria:  Patients 16 years or older to be treated with either Comprehensive Invisalign or Invisalign Teen, Maxillary lateral incisor requiring 0.3 mm or more extrusion (as determined by ClinCheck), Maxillary arch with less than 6 mm of crowding or spacing, All teeth present and fully erupted (excluding third molars).  Exclusion Criteria:  Presence of anterior crossbite Any missing teeth in the maxillary arch Treatment plan includes surgery or extraction of any maxillary teeth, Maxillary lateral incisors with pathology or large restorations (crowns) Maxillary lateral incisors have a less than 0.3 mm of extrusion prescribed in the Tooth Movement Table on the Invisalign ClinCheck