Petra Borilova Linhartova1,2, Tereza Deissova1, Kristina Musilova1, Lenka Zackova3, Martina Kukletova1, Lubomir Kukla4, Lydie Izakovicova Holla5,6,7. 1. Clinic of Stomatology, Institution Shared with St. Anne's Faculty Hospital, Faculty of Medicine, Masaryk University, Pekarska 664/53, 60200, Brno, Czech Republic. 2. Department of Pathophysiology, Faculty of Medicine, Masaryk University, Kamenice 5, 62500, Brno, Czech Republic. 3. Stomatology Research Center, Faculty of Medicine, Masaryk University, Komenskeho namesti 220/2, 602 00, Brno, Czech Republic. 4. Research Centre for Toxic Compounds in the Environment (RECETOX), Chemistry Section, Faculty of Science, Masaryk University, Kamenice 5, 62500, Brno, Czech Republic. 5. Clinic of Stomatology, Institution Shared with St. Anne's Faculty Hospital, Faculty of Medicine, Masaryk University, Pekarska 664/53, 60200, Brno, Czech Republic. holla@med.muni.cz. 6. Department of Pathophysiology, Faculty of Medicine, Masaryk University, Kamenice 5, 62500, Brno, Czech Republic. holla@med.muni.cz. 7. Research Centre for Toxic Compounds in the Environment (RECETOX), Chemistry Section, Faculty of Science, Masaryk University, Kamenice 5, 62500, Brno, Czech Republic. holla@med.muni.cz.
Abstract
OBJECTIVES: The enamelin gene (ENAM) polymorphism (rs12640848) was recently associated with dental caries in primary teeth in Polish children. The aims of the present study were to prove this association in primary dentition and to find a possible effect of this variant on caries development in permanent dentition in Czech children. MATERIALS AND METHODS: This study comprised 905 Czech children. Totally, 187 children aged 2-6 years with primary dentition [78 healthy subjects (with decayed/missing/filled teeth, dmft = 0) and 109 patients with early childhood caries (ECC; dmft ≥ 1)] were included in this case-control study. In addition, 177 subjects aged 13-15 years without caries (DMFT = 0) and 541 children with dental caries (DMFT ≥ 1) in permanent dentition were selected from the ELSPAC study. Genotype determination of the ENAM polymorphism (rs12640848) was based on the TaqMan method. RESULTS: No significant differences in the allele or genotype frequencies between the caries-free children and those affected by dental caries were observed in both primary and permanent dentitions. CONCLUSIONS: Lack of association between the ENAM polymorphism (rs12640848) and dental caries in Czech children was detected. CLINICAL RELEVANCE: Although ENAM is considered as a candidate gene for dental caries, the presence of the ENAM variant (rs12640848) cannot be used as a risk factor of this multifactorial disease in the Czech population.
OBJECTIVES: The enamelin gene (ENAM) polymorphism (rs12640848) was recently associated with dental caries in primary teeth in Polish children. The aims of the present study were to prove this association in primary dentition and to find a possible effect of this variant on caries development in permanent dentition in Czech children. MATERIALS AND METHODS: This study comprised 905 Czech children. Totally, 187 children aged 2-6 years with primary dentition [78 healthy subjects (with decayed/missing/filled teeth, dmft = 0) and 109 patients with early childhood caries (ECC; dmft ≥ 1)] were included in this case-control study. In addition, 177 subjects aged 13-15 years without caries (DMFT = 0) and 541 children with dental caries (DMFT ≥ 1) in permanent dentition were selected from the ELSPAC study. Genotype determination of the ENAM polymorphism (rs12640848) was based on the TaqMan method. RESULTS: No significant differences in the allele or genotype frequencies between the caries-free children and those affected by dental caries were observed in both primary and permanent dentitions. CONCLUSIONS: Lack of association between the ENAM polymorphism (rs12640848) and dental caries in Czech children was detected. CLINICAL RELEVANCE: Although ENAM is considered as a candidate gene for dental caries, the presence of the ENAM variant (rs12640848) cannot be used as a risk factor of this multifactorial disease in the Czech population.
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