This course is designed to the undergraduate students at the 2rd year and it is a two Credit hour theoretical course. This course will provide introduction, knowledge and understanding of the dental materials with emphasis on those restorative and processing materials used during constructing of dental prostheses and impression materials commonly used in dental practice and laboratory. This course is also linked with a practical course (TDEN 205) which enables the students to see and examine the different dental materials used in dental practice.