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Surgical procedure. (A) Examples of unsintered hydroxyapatite/poly l-lactide (u-HA/PLLA) and PLLA sheets. (B) Critical size defect created at the mandibular angle. (C) Placement of reconstructive material. (D) Site from which the sample was taken for analysis (the image was modified from Sha et al. [19]). (E) Schematic coronal view of the specimen.
