ACADEMY OF DENTAL MATERIALS
WEBINARS
The ADM proudly presents
2026 Webinar and Live Q & A
Wednesday, June 3, 2026
10:00 am New Zealand Time (NZT), 2:00 pm USA (PDT – San Diego)
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(Webinar to be held on Zoom and will last about an hour and a half.)
Silver Diamine Fluoride: From Mechanism to Clinical Practice in
Minimally Invasive Dentistry
Presenter:
Dr. May Lei Mei, BDS, MDS, PhD
Professor, Faculty of Dentistry, University of Otago, New Zealand
Abstract:
Silver diamine fluoride (SDF) is a 38% solution containing approximately 255,000 ppm silver and 44,800 ppm fluoride ions, stabilized with ammonia. It is used in diverse dental applications, including management of early childhood caries, arrest of root caries, prevention of fissure and secondary caries, desensitization of hypomineralized and hypersensitive teeth, remineralization of demineralized enamel, prevention of dental erosion, and treatment of infected root canals. Silver acts as an antimicrobial agent, inhibiting cariogenic biofilm, while fluoride promotes remineralization and prevents demineralization of tooth structure. Ammonia provides an alkaline environment that inhibits collagen degradation in carious dentin. With its painless application and proven efficacy, SDF is a cornerstone of minimally invasive dentistry.
Bibliography
Dr. Mei is a Professor in Cariology and the Deputy Convenor (Early Learning) of the BDS programme at the University of Otago, New Zealand. She is the Associate Editor of the Archives of Oral Biology and the Frontiers in Oral Health. She also sits on the Editorial Boards of the Journal of Dentistry and the Dentistry Journal. Dr Mei’s research focuses on cariology and biomaterials, in particular on the effect of SDF on mineralized tissue, collagen and biofilms, and on the development of novel bioactive materials for caries management. Dr Mei was the President of the International Association for Dental Research (IADR) Cariology Research Group (2022-2023) and has been a member of the Academy of Dental Materials for over 11 years. She received a number of prestigious awards, including the IADR (Australia & New Zealand Division) Oral Biology Award, IADR Centennial Emerging Leaders Award, and IADR Basil G. Bibby Young Investigator Award.
Silver Diamine Fluoride: From Mechanism to Clinical Practice in
Minimally Invasive Dentistry
Dr. May Lei Mei, BDS, MDS, PhDProfessor, Faculty of Dentistry, University of Otago, New Zealand
Silver diamine fluoride (SDF) is a 38% solution containing approximately 255,000 ppm silver and 44,800 ppm fluoride ions, stabilized with ammonia. It is used in diverse dental applications, including management of early childhood caries, arrest of root caries, prevention of fissure and secondary caries, desensitization of hypomineralized and hypersensitive teeth, remineralization of demineralized enamel, prevention of dental erosion, and treatment of infected root canals. Silver acts as an antimicrobial agent, inhibiting cariogenic biofilm, while fluoride promotes remineralization and prevents demineralization of tooth structure. Ammonia provides an alkaline environment that inhibits collagen degradation in carious dentin. With its painless application and proven efficacy, SDF is a cornerstone of minimally invasive dentistry.
Dr. Mei is a Professor in Cariology and the Deputy Convenor (Early Learning) of the BDS programme at the University of Otago, New Zealand. She is the Associate Editor of the Archives of Oral Biology and the Frontiers in Oral Health. She also sits on the Editorial Boards of the Journal of Dentistry and the Dentistry Journal. Dr Mei’s research focuses on cariology and biomaterials, in particular on the effect of SDF on mineralized tissue, collagen and biofilms, and on the development of novel bioactive materials for caries management. Dr Mei was the President of the International Association for Dental Research (IADR) Cariology Research Group (2022-2023) and has been a member of the Academy of Dental Materials for over 11 years. She received a number of prestigious awards, including the IADR (Australia & New Zealand Division) Oral Biology Award, IADR Centennial Emerging Leaders Award, and IADR Basil G. Bibby Young Investigator Award.
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