Impacted 3rd Molar Prevents 2nd Molar Band from Seating

It is difficult to place a molar band in the lower left 2nd molar of a 15-year-old man after separators (Fig.1,2).  It is due to the impacted 3rd molar.

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Xin Wei, DDS, PhD, MS 1st edition 08/22/2020, last revision 08/22/2020