They conducted a biological study by analyzing the amount of globular dentin and inter-globular spaces so as to establish a histological classification and then find correlation among clinical manifestation classification published by Seow and Latham in 1986 and compare it with a classification governed by histological findings.
Grado II: la cantidad de la dentina globular constituye más de la mitad del espesor de la dentina y los espacios interglobulares son moderadamente grandes.