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A. Micro-CT image scan of transverse view in rat periodontal defect, B. structure of multilayered scaffold, C. surgical procedure, which is used in periodontal fenestration defect, D. schematic of multilayered structure near the root and bone grafts, E. arrangement of PDL-like fibrous in tissue against root. (Black lines show the orientation of PDL-like structure and yellow line demonstrates the formation of cementum). Adopted from reference 104 with permission.
