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Rat mandibular defect model. (A) Schematic diagram of the 5 mm in diameter, full thickness, circular defect in the rat mandible. (B) Exposed operation site. (C) A piece of punch out full thickness bone chip. Bone surface bridge-like structure can be clearly seen (arrow). (D) E1001(1k)/β-TCP scaffold can be tightly fit into the bone defect. M, molar. Scale bar: The units on the ruler indicate millimeters. Color images available online at www.liebertpub.com/tea
