Dissociation of movement and spontaneous smile
According to Doctor Hontanilla, when the facial transplant was undertaken with the masseteric nerve, "in the case of women it was observed that they managed to dissociate the smile movement from that of mastication. And this is seen in the movement of the mouth observed with the "Facial Clima" system using infra-red rays". The specialists explained that in this way "women were able to smile, independently of the mastication movement of the mouth, an exceptional situation in which they were using the nerve responsible for mandibular mobility, the masseteric nerve". That is to say, a woman achieves a smile independently of the mastication function.
The differences between genders observed in this study have thus shown that a woman who has undergone reconstruction in order to treat facial paralysis is capable of smiling if she makes the gesture of mastication. "In the case of men patients we observed that there was no dissociation of movement. They smile on effecting the movement of closing the mouth, as in mastication", pointed out the specialist.
But the differences between the two sexes after the surgical repair of facial paralysis not only affects the dissociation of movement, but also the ability of woman to achieve smiling spontaneously or in an involuntary manner. "Amongst men, nevertheless, we observe that, in a comical situation or event, movement of the mouth to produce the smile was always voluntary", according to Doctor Hontanilla.
Different time periods for functional recovery
The time period available for reconstructing facial paralysis is also different according to gender. Thus, the specialist explained that facial paralysis reconstructions always have a limited amount
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