Resumen

GONZALEZ H, José María. Paralisis de Bell: Parálisis Facial Idiopática. Acta odontol. venez [online]. 2001, vol.39, n.1, pp.66-69. ISSN 0001-6365.

The paralysis of Bell, is an bening illness of the portion infratemporal of the facial nerve that consists on the temporary loss of the contractile function of the mimic musculature of the face, of unknown cause , but it can be secondary to a traumatism, compression or tumor. This is a process autolimitante that she/he doesn´t threatren the life of the parient one and it generally disappears in a term from 1 to 3 weeks. Their range of incidence is of 23 for each 100.000 people per year. This alteration doesn´t have difference for sex, in last studies there is an incidence between the 20 and 35 years of age, being but it frecuents in diabetics patients and hipertensos that in the normal population. It is presented nonchalantly in anyone of the sides of the face and alone 1% in both sides simultaneously. It is characterized to present the phenomenon of Bell(Figura 1) (sign of outlying facial paralysis that one manifests for the ocular movement up and away from the ocular globe, when the sick person tries to close the lid), facial pain or retroarticular, diagusia, hiperagusia and decreaase of the shed I shed tears^{. 1, 2, 3.}

Palabras clave : Nerve Facial; Paralysis of BELL.