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The purpose of this study was to examine the potential association between the glycemic index (GI) and the glycemic load (GL) with early childhood caries in preschool children.

This cross-sectional study collected data from 225 children aged 37–71 months in governmental nursery schools within the Altindag district of Ankara, Turkey. GI and GL values of foods and beverages were calculated using 2008 international tables of GI and GL. Dental examinations were done under daylight and by using a headlight. The prevalence of caries was obtained by calculating the number of the decayed, missing and filled teeth (dmft) index score or decayed, missing and filled surface (dmfs) index score.

There were significant differences in the dmft and dmfs scores according to GI groups (p = 0.022 for both). The multivariate models showed that children who consumed a high-GI diet had higher dmft scores compared to children who consumed a medium-GI diet (ß 1.48, 95% CI −1.48, 4.44), whereas children who consumed a high-GL diet had lower dmft score compared to children who consumed low-GL diet (ß 0.55, 95% CI −0.97, 2.07), however, they were not statistically significant.

Dietary total GI and GL did not significantly influence the caries experience of preschool children. Future studies should focus on the different age groups with a broader perspective.

The purpose of this study is to assess and compare awareness and knowledge of dental erosion among nutrition and dietetics (ND) and dental students.

The study was designed as a cross-sectional study. It was set in a university campus in Ankara, Turkey. In all, 947 undergraduate students (534 dental and 413 ND) with a mean age of 20.9 ± 1.99 years were included. The variables measured in this study were level of awareness and knowledge of dental erosion of students and their practice on the topic. For statistical analysis descriptive statistics, Chi-square, Fisher’s Exact and Mann–Whitney U statistics were used.

Not having heard about dental erosion was more frequently reported by ND students (33.9 per cent) (p < 0.001). Dental students had significantly higher scores in knowledge of dental erosion (11.19 ± 2.23) (p < 0.001). In both disciplines, total knowledge score was increased based on the students’ academic level (r = 0.522, p < 0.01 for dental students and r = 0.242, p < 0.01 for ND students). Their practice in terms of consumption of some acidic foods showed a difference (p < 0.001).

There is an inevitable need for oral health education for ND students and nutrition education for dental students to fill the knowledge gap for effective oral health. Nutrition dental education should be incorporated into undergraduate ND and dentistry curriculums and continuing education of these professionals. Furthermore, providing internships in dental facilities or clinics to undergraduate ND students that include oral health assessments, guidance on evidence-based prevention techniques, dietary counseling and referrals to dentists would provide an opportunity to gain more knowledge regarding dental-related nutrition subjects. To the authors’ knowledge, this is the first study to determine and compare dental erosion awareness, knowledge and practice among ND and dental students. Eliminating conflicts among dietetic and dental professionals is vital for improving patient health. This interdisciplinary inclination might be a shift toward a coordinated team approach for promoting oral health, prevention of dental diseases and intervention in dental diseases.