Susan F. Urell, RDH began her clinical practice as a dental hygienist in 1985. Her extensive experience teaching oral hygiene skills to adults and children has qualified her as an expert in the field of dental health care and education. Now she writes for kids (and grown ups!) in the voice of MolarTron & Friends, sharing the bountiful information she has acquired over the years and answering patients' requests about specific topics in dentistry. Please visit www.molartron.com to see the companion HOW TO FLOSS sing-a-long flossing video.