The lower 4s are expected to be extracted. On the day of surgery, LR 5 is found to have been heavily restored (MO amalgam, DO composite, Fig.1 (mirror view)); the prognosis is less favorable than LR 4. So the former is extracted (Fig.2). On the other side, the canine area is crowded (Fig.1: 3).
Extraction/Banding Last Next Xin Wei, DDS, PhD, MS 1st edition 03/29/2015, last revision 01/02/2021