The link between nutrition and dental erosion: what do students know? Cansu Ozsin Ozler Department of Pediatric Dentistry, Faculty of Dentistry, Hacettepe University, Ankara, Turkey Elif Inan-Eroglu Department of Nutrition and Dietetics, Faculty of Health Sciences, Hacettepe University, Ankara, Turkey Meryem Uzamis Tekcicek Department of Pediatric Dentistry, Faculty of Dentistry, Hacettepe University, Ankara, Turkey, and Zehra Buyuktuncer Department of Nutrition and Dietetics, Faculty of Health Sciences, Hacettepe University, Ankara, Turkey Abstract Purpose – The purpose of this study is to assess and compare awareness and knowledge of dental erosion among nutrition and dietetics (ND) and dental students. Design/methodology/approach – 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 6 1.99years 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. Findings – 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 6 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). Originality/value – 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. Keywords Tooth erosion, Awareness, Dietitian, Dentist, Students Paper type Research paper Link between nutrition and dental erosion 665 Received 17 April 2019 Revised 20 August 2019 26 August 2019 1 September 2019 Accepted 2 September 2019 Nutrition & Food Science Vol. 50 No. 4, 2020 pp. 665-678 © Emerald Publishing Limited 0034-6659 DOI 10.1108/NFS-04-2019-0133 The current issue and full text archive of this journal is available on Emerald Insight at: https://www.emerald.com/insight/0034-6659.htm