When the PSA block is combined with the anterior superior alveolar (ASA) block using an infraorbital approach, often referred to as the infraorbital (IO) block, the entire maxillary arch on one side may be anesthetized (except palatal tissues).
In 1878, Willard won the presidency of the Illinois WCTU, and the next year, Frances Willard became president of the national WCTU, following Annie Wittenmyer. Willard remained president of the national WCTU until her death. In 1883, Frances Willard was one of the founders of the World's WCTU. She supported herself with lecturing until 1886 when the WCTU granted her a salary.
April 16, 1921 â October 28, 2003. Marie Maynard Daly is the first African American woman to receive a doctoral degree â earning it from Columbia University in 1947. Prior to that, she attended Queens College in Flushing, New York, where she graduated magna cum laude with a Bachelor of Science degree in chemistry.