 After 9 months of observation, should the paralysis not resolve and the patient be dissatisfied with the outcomes of voice therapy, the next option is temporary injection medialization.In this procedure, a variety of materials can be injected into the body of the vocal fold in order to bring it closer to the midline of the glottis.Materials such as Teflon, autologous fat, collagens acellular dermis, fascia, hydroxyapatite and hyaluronates are available to be used in the procedure.