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Revista Médica Electrónica
On-line version ISSN 1684-1824
Abstract
CUYAC LANTIGUA, Marisol et al. First permanent molar premature lost in children of the “Antonio López” primary school. México. 2016. Rev.Med.Electrón. [online]. 2017, vol.39, n.3, pp.607-614. ISSN 1684-1824.
Introduction: The first permanent molar is a fundamental tooth to determine the mastication pattern during the whole life, it is vital to develop and maintain a proper occlusion. Objective: describing the premature loss of the first permanent molar. Materials and Methods: an observational, descriptive and transversal study was carried out in the primary school Antonio López Coloma in the area of Mexico neighborhood in Colon municipality, Matanzas province, in the period from January to March 2015, in 169 children 6 to 11 years old. They were study variable, age, sex and the location of the missing tooth. Results: the 3 % of the students lost the first permanent molar, the 40 % of 11 years old boys loss this tooth. The girls represented the 60 % of the studied. Conclusions: The investigated mainly the female sex in the age of 11 lost the first permanent molar very early. The left lower first molar had the highest incidence.
Keywords : permanent first molar; first molar; children.