Advances in Bonding Resin and Composite Fillings

These crucial developments eventually led to dental sealants, a major preventive measure effective against caries in children and adolescents and the basis of minimally invasive treatment of coronal caries today.

USA President Harry S. Truman Forms NIDR

The dental research section of the National Institutes of Health was named the National Institute of Dental Research (NIDR) and has since been renamed the National Institute of Dental and Craniofacial Research. Henry Trendley Dean, a past president of the IADR, was installed as the first NIDR director.

Community Water Fluoridation Begins