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.
Willard also resigned from her other positions with the national WCTU and began lecturing for woman suffrage. In 1878, Willard won the presidency of the Illinois WCTU. President of the WCTU. Frances Willard ran and was elected president of the National WCTU in 1879 and remained in that office until her death in 1898.