IN THE presence of a defect of the facial nerve more than 2 cm in length, bringing together such disparate ends of the nerve is generally unsuccessful. Substitution of the missing part by a free nerve transplant presents great difficulties, which increase still more in connection with the ensuing degeneration of nervous tissue. The free transplantation of a nerve presents another unfavorable feature in the significant length of time between the moment of the operation and the appearance of the first signs of restoration of the muscles innervated by the facial nerve. According to the data of Tickle1 (1938), this is not less than eight months, according to Morris,2 (1939) it is 6 to 12 months, according to Kettel3 (1954), 4 to 12 months.
Since 1962, experimental studies on the substitution of the diastasis of the nerve with tantalum conductors in dogs have been carried out by
Belyakova LV. Employment of Tantalum in Reconstructive Intracanal Surgery of the Facial Nerve. Arch Otolaryngol. 1968;88(1):104–109. doi:10.1001/archotol.1968.00770010106024
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