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(A) The gross observation of tooth socket healing the after surgery. The left tooth socket was grafted with IWBLH, no bone substitute was grafted in the right socket. (B) The micro CT images of tooth socket after first week (a), second week (b), third week (c), and fourth week (d). The red arrow indicated the cavity that was not filled by the xenograft. (C) The bone density of tooth socket (n = 6. The bars show the mean ± SD, *p < 0.05).
