In the cervical third of this group a 5.87% mean of wall with remnants was observed, 0.16% in the middle third and 2.03 in the apical third Figures 1 and 2.
En el tercio cervical de este grupo se observó un promedio de 5.87% de paredes con remanentes, en tercio medio 0.16% y en el tercio apical 2.03% Figuras 1 y 2.