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. 2014 Nov 7;2(10):e240. doi: 10.1097/GOX.0000000000000206

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Copyright © 2014 The Authors. Published by Lippincott Williams & Wilkins on behalf of The American Society of Plastic Surgeons. PRS Global Open is a publication of the American Society of Plastic Surgeons.

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Fig. 1. — Surgical procedure in a rat model. A, A preauricular incision with a marginal mandibular extension was made on the left side of the head. B, The trunk and 4 main branches of the facial nerve were exposed. BB indicates buccal branch of the facial nerve; HG, hypoglossal nerve; MMB, marginal mandibular branch of the facial nerve; TB, temporal branch of the facial nerve; TF, trunk of the facial nerve; ZB, zygomatic branch of the facial nerve. C, In the nonsupercharge group, each of the 4 branches was cut at the anterior border of the parotid gland and sutured to a nerve graft collected from the contralateral buccal branch of the facial nerve to make an end-to-side loop graft. D, In the supercharge group, the distal end of the transplanted nerve was end-to-side sutured to the hypoglossal nerve to obtain axonal supercharge. Scale bars show 10 mm.