Dr. Hardy Limeback BSc PhD DDS Association Professor and Head, Preventive Dentistry Faculty of Dentistry 124 Edward Street Toronto, Ontario, Canada M5G 1G6 Phone: 416-979-4929 ext. 4461 Fax: 416-979-4936 hardy.limeback@utoronto.ca

Current academic / hospital appointments

Head of Preventive Dentistry, U of Toronto (1994- ) Chief Dentist, Metropolitan Toronto Homes for the Aged (1988-94) Member, Canadian Dental Assoc. Products Recognition Committee (1987-99) Chair, Faculty Member Development Committee, the Association of Canadian Dental Faculties (1991-96) Board Member, National Institute of Nutrition (1994-96) Graduate Co-ordinator, Faculty of Dentistry (1994-98)

Education

1975 - BSc Biochemistry, University of Toronto 1979 - PhD Collagen Biochemistry, University of Toronto 1983 - DDS University of Toronto

Courses

Undergraduate: 1st, 2nd , 3rd & 4th yr. Preventive Dentistry (coordinator/lecturer), Clinic instructor (undergraduate and QP programs), Graduate / Postgraduate: Etiology and Prevention of Dental Caries (coordinator/lecturer) Qualifying Program: Preventive Dentistry (coordinator/lecturer) External Presentations: Various lectures to practicing dentists, hygienists and the public.

Research interests

Basic sciences: tooth development, enamel proteins, dentine, bone, fluoride, collagen, non-collagenous proteins Clinical sciences: caries, risk assessment, geriatric dentistry, preventive dentistry, dental fluorosis, enamel defects

Recent publications

Vieira AP, Hancock R, Limeback H, Maia R, Grynpas MD.Is fluoride concentration in dentin and enamel a good indicator of dental fluorosis? J Dent Res. 2004 Jan;83(1):76-80. (Abstract) Brothwell D, Limeback H. Breastfeeding is protective against dental fluorosis in a nonfluoridated rural area of Ontario, Canada. J Hum Lact. 2003 Nov;19(4):386-90. (Abstract) Vieira A, Hancock R, Limeback H, Schwartz M, Grynpas M. How does fluoride concentration in the tooth affect apatite crystal size? J Dent Res. 2003 Nov;82(11):909-13. (Abstract)

Awards and Honours

1984-1989 MRC Scholar Member, Pierre Fauchard Academy

Editorships

Associate Editor of “Fluoride”

Students

PhD students: Xia-fai Dai - near completion -dentin mineralization Anya Vieira (with Dr. Grynpas)- dental fluorosis and tooth quality- completed Dec. 2004 MSc students Heather Gingerich (with Dr. David Ridolf, Univ. Waterloo Earth Sciences) - co-supervision- near completion Amir Azarpazhooh - ozone and caries reversal * Presently accepting students for supervision in the area of dental fluorosis.