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5.04/23/2026

Knowledgeable and truly inspiring educator.

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About Deanna

Dr. Deanna Beckett is a Senior Lecturer in the Oral Health discipline of the Department of Oral Sciences, Faculty of Dentistry, Health Sciences Division, at the University of Otago, where she has been employed since 2009. She serves as the Convenor for Year 3 of the Bachelor of Oral Health programme and contributes to interdisciplinary tooth morphology education. Beckett earned her PhD from the University of Otago in 2024, with an exceptional thesis titled "Dental consequences of vitamin D deficiency during pregnancy and early infancy." This pioneering work was the first worldwide to examine an exfoliated primary tooth in a laboratory to correlate vitamin D status during formation, revealing that children of vitamin D-deficient mothers have three times the risk of dental decay by age six and reduced enamel crystalline quality. She completed her Master of Public Health at Otago in 2017, focusing on measuring oral-health-related quality of life, along with a Diploma in Dental Therapy and Diploma in Public Health. Her research interests include tooth development, dental defects of enamel and dentine, and vitamin D's role in oral health, with ongoing longitudinal studies on children approaching age 12. Funding supports her work from the Otago Medical Research Foundation Laurenson Award LA282, Health Otago Charitable Trust, New Zealand Ministry of Health Research Fund, and University of Otago Research Grant.

Rate My Professor Deanna Beckett | University of Otago