Food retention on occlusal surface of second primary molars

Sandra Marisol Hernández Lara; Karen Barros Parron Fernández; Luciana Lira Meneghel; Antonio Ferelle; Luiz Reynaldo de Figueiredo Walter

2008, Number 6

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Rev ADM 2008; 65 (6)

Food retention on occlusal surface of second primary molars

Hernández LSM, Barros PFK, Lira ML, Ferelle A, Figueiredo WLR

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Language: Spanish
References: 23
Page: 296-301
PDF size: 130.72 Kb.

ABSTRACT

The literature indicates that second primary molars are the most affected teeth by carious lesions in primary dentition. Objective: This study is aimed to identify the presence and retention area food at the occlusal surface of the second primary molars in 36 - 48 months children. Material and methods: Old 54 children (108 teeth) were evaluated in two experimental times (to:₀ and t₁: 30 minutes), after the intake of a chocolate cookie. The food retention area was documented by digital photography. After that, it was calculated the retention area using the Image Tool 4.0 and the Bioestat 3.0 programs to statistically analysis, setting p ‹ 0.05 Results: The food retention was observed mainly in mandibular (90.74%) when compared to maxillary teeth (85.18%), no statistical difference was observed (Qui Square’s test, p = 0.220). However, the food retention area for mandibular molars was higher when compared to maxillary ones for both the initial (Mandibular: 0.42 ± 0.02 and Maxillary molars: 0.27 ±0.02) and the final time (Mandibular: 0.11 ± 0.01 and Maxillary molars: 0.06 ± 0.01), according to Mann-Whitney’s test. Conclusions: The results of this study agree with the clinical observation of greater occlusal anatomical complexity and food retention of mandibular molars, increasing dental caries susceptibility.

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