DPR

Fig. 01 Aligner delivery and initial interproximal reduction were performed

Fig. 02 Using the Propel Excelleration Driver, small micro-osteoperforations were made on the interproximal roots from cuspid to cuspid

Fig. 03 Aligners #2-6 delivery

Fig. 04 The patient's progress was examined and it was determined that no additional use of Propel was needed

Fig. 05 All planned movements were achieved and a fixed lingual cuspid-to-cuspid retainer was placed on the lower arch

Fig. 06 Patient presented as severe Class II with upper anterior overjet of 11 mm

Fig. 07 Patient also presented with lower crowding and a posterior open bite with limited occulusion points

Fig. 08 Micro-osteoperforations were carefully made in between the root prominences

Fig. 09 One week after using Propel, the patient showed virtually no residual signs of the treatment

Fig. 10 Subsequent treatments with Propel were performed at 12 weeks and 24 weeks

Fig. 11 The anterior coupling was closed and all attachments removed

Fig. 12 New intraoral scans were sent to Align Technology for verification of the planned movements

Fig. 13 At 40 weeks, all planned movements were successfully achieved