A postgraduate diploma in Dental Materials is of 2 years. Universities like Sikkim Manipal, conduct this course for 2 years. You will get ample amount practical classes, clinical demonstrations, and case studies during the course length. You will have to work for real patients at the ending lap of this course. Dental clinics are itself a growing industry in the healthcare system, especially in countries like USA. Therefore, if you complete this course, you will find a lot of placements in the healthcare industry or dental clinics in India or abroad. You can start your dental career here in India and then after 3-4 years, you can think of applying for a work permit in the United States of America. In India, after working in dental clinics for a few years, you can also think of opening your warehouse for dental materials. However, before starting a business on dental supplies, you can think of completing a management course in this genre.