Calcium and Phosphorus – Fast Facts Ask The Expert with Machell Hudson-Hoover

Andrew Johnston, RDH, is your everyday hygienist who is passionate about sharing education and knowledge to others. Practicing in Washington State since 2009, Andrew enjoys utilizing his full scope of practice through traditional and restorative procedures on any given day—still working in the operatory 40-plus hours each week. In 2015, he started the wildly popular dental hygiene podcast A Tale of Two Hygienists with his cofounder Michelle Strange. Because of the podcast's success, they were able to begin a new chapter in dental audio content with The Dental Podcast Network, which consists of 10 short-format shows on different dental topics airing each day of the work week.