Thomas G. Wilson Jr., DDS, is a clinical associate professor at Texas A&M University College of Dentistry in Dallas and the University of Texas Health Science Center at San Antonio School of Dentistry. A periodontist practicing in Dallas, he is a diplomate of the American Board of Periodontology and member of the International College of Dentists. Wilson is also editor in chief of Decisions in Dentistry.
Until the 1960s, calculus was considered a primary etiologic factor in periodontal disease. The writings of Waerhaug and others emphasized the complete removal of supragingival and subgingival deposits as an important tenant of treatment.
Within a few months of isolating the original COVID-19 virus, several successful vaccines had been developed that were granted emergency use authorization for distribution in the United States.