Tdou is a healthcare company that provides dental lab materials for dentists and small equipment intraoral cameras. The company was founded in 1986 by two dentists, Dr. Frank R. Poon and Dr. Daniel T. Lee, who wanted to provide quality materials to their fellow dentists. Along with their team of dentists, they put together the most comprehensive range of dental lab materials for dentists in the United States. Tdou is now one of the leading dental lab materials suppliers in the United States, providing over 3000 products. They offer many unique products, such as 3D printed crowns, restorative dentistry products, resin-based composite materials, and professional dental labs. They also offer different types of small equipment intraoral cameras and an online video training and education platform that aims to teach dentists and other oral health professionals how to use their products and keep up with modern techniques. The company has grown significantly since it was founded in 1986, and has consistently been ranked in the top 50 largest companies in the United States by Inc. Magazine. They have offices worldwide and do business in over 30 countries worldwide.