Many patients who need dental treatment like dental crowns and dentures become more and more these days. The materials used to make these products are important for further use. Three main materials used in nowadays dental treatments for patients are studied in this article, which are metal materials, ceramic materials, and plastic materials. The advantages and disadvantages of these materials are shown in cases. Metal materials have high strength and less biocompatibility; ceramic materials have a natural-teeth exterior and high strength but are brittle and easily suffer a failure during biting hard items; plastics can be made for dentures and easy to change distance and shape during use, but it is easy to tear and has the highest chance to break. This study aims to draw a conclusion on most improvements in these common and traditional materials and shows up all the possibilities and risks to patients who need a specific material for their life and appearance.