Cronología y secuencia de erupción de la dentición Permamente en niños y niñas de 8 a 10 años de colegios Vinculados con la universidad santo tomas en el área Extramural

Abstract

The formation of permanent dentition was described by Schour and Massler: "The first group consists of the first molar, central and lateral incisors, and canines, all of which begin their formation during the first year. The second group forms between the ages of two and four; and the third group forms during the same age group. The third group consists of the third molar, which forms five to six years after the second molar, although its formation varies greatly among different population groups." According to Jara, "tooth eruption, like a child's growth and development, is a process that does not occur exactly in all individuals." Normal eruption occurs at a specific time corresponding to a person's chronological age; however, variations in the normal eruption time are common in clinical practice (5). Alterations in the chronology and sequence of eruption in boys and girls aged 8, 9 and 10 are affected by factors such as sex, ethnicity, diet, nutrition and local and systemic diseases: human teeth develop from dental buds, which are located beneath the epithelial lining of the oral cavity and whose development is induced by neural crest cells (ectomesenchyme). Their formation begins approximately four weeks into gestation, simultaneously with the rest of the facial structures.