 His research, based on case reports and animal studies performed on rabbits, claimed to show dramatic improvements after the extraction of teeth with non-vital pulps.Price's research fit into a wider body of testimonials in the dental literature of the 1920s, which contributed to the widespread acceptance of the practice of extracting, rather than endodontically treating, infected teeth.Despite contentions in a 1927 review of Price's work of "faulty bacterial technique" in Price's 1925 publication "Dental Infections and related Degenerative Diseases", Price's publication "Dental Infections, Oral and Systemic" was used as a reference in textbooks and diagnosis guides published in the mid-1930s.