However, the deaf community, has doubts about its effectiveness since the operation doesn't solve completely the auditory problem; it requires additional auditory and speech training with no guarantee of full success.
Sin embargo, la comunidad sorda tiene dudas acerca de su eficacia, ya que la operación no resuelve completamente el problema auditivo, sino que requiere un trabajo importante de entrenamiento auditivo y del habla adicional, sin garantía de éxito total.