Photographs before and after treatment in a patient where space had already been lost. To regain the lost space, complex and uncomfortable orthodontic treatments are required. (A) Insufficient space for eruption of tooth #43, (B) Tooth #84 has exfoliated, but there is still insufficient space for the eruption of tooth #44, (C) Insufficient space for eruption of tooth #45, (D) Additional loss of space for the eruption of tooth #45, (E) Before orthodontic treatment, (F) Start of orthodontic treatment, (G) Completion of space regaining for tooth #45 and its eruption.
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