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Órgano Oficial de la Asociación Dental Mexicana

2012, Number 2

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Rev ADM 2012; 69 (2)

Dental caries in the permanent first molars of schoolchildren in the borough of Tláhuac

Oropeza-Oropeza A, Molina-Frechero N, Castañeda-Castaneira E, Zaragoza-Rosado Y, Cruz LD

Language: Spanish
References: 26
Page: 63-68
PDF size: 58.96 Kb.


ABSTRACT

Background. Dental decay constitutes a public health problem and the teeth most affected by this condition are permanent first molars, which are particularly susceptible due to their being a key element in the chewing function.
Objective. The aim of the present study was to determine the experience of tooth decay in the permanent first molars of 11-year-old schoolchildren in the Mexico City borough of Tláhuac.
Material and Methods. A cross-sectional, descriptive and observational study was carried out of 464 permanent first molars of 116 schoolchildren of both sexes. Clinical examination was performed by two dentists according to WHO criteria, the intraexaminer and interexaminer Kappa values being, respectively, A cross-sectional, descriptive and observational study was realized in 464 first molars permanent of 116 schoolchildren of plural both sorts. The clinical examination was realized by two dentists calibrated with the criteria of the WHO, having obtained values of Kappa › 0.96 intraexaminer and Inter-examiner › 0.94.
Results. 68 of the schoolchildren (i.e. 58.6%) proved to have experience of decay. Girls were most affected (39.5% compared to 29.7% of boys), and the most commonly affected teeth were the lower molars (59.6%) and the upper molars (40.4%). Of these, the lower-right first molar was that most affected (31.9%) followed by the lower-left (28.7%); overall, upper molars showed a lower percentage of decay (with little variance amongst these, their rates ranging from 19.38 to 20%). Few molars had been treated in any way, though treatment was more common in girls (p‹ 0.05).
Conclusions. Lower molars were the teeth most affected by decay and few children had received any form of treatment for this. Therefore, it is recommended that preventive oral health programs and programs aimed at preventing decay in the permanent first molars of children be implemented.


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