Inhibition of colonization on tooth surfaces in immune monkeys showed specificity for the immunizing strain, suggesting that inhibition was antibody mediated.
A major protein band stained with amido schwartz contained the enzyme activity, as revealed by the complete local hydrolysis of mutant agar containing this polysaccharide.
The study tested the effectiveness of the sealants and after 36 months only 8 percent of treated teeth showed incidences of caries, as compared to 53 percent in untreated teeth.
In the late 1970s they released the commercial Sopha system, which ignited the enhancements in CAD/CAM systems in years to come.
One of his most reputable papers concerned the scientific basis behind the traditional six-month dental examination. He found no scientific evidence to support it.