The PennWell Dental Group brands have more than 200 years of existence in the marketplace. Among these brands are Dental Economics, and Dentistry IQ. Dental Economics is the leading business journal for the dental profession. For over 100 years, DE has helped dentists improve their practices through sound business advice, and updates on new dental products, techniques, and technologies. Dentistry IQ provides the entire dental office with information, resources, products, and more to help each member of the practice do their jobs more efficiently and effectively.