**4. Different bases of denture**

Dentistry as a profession we are familiar with now a day is considered to have begun about 3000 BC. About 2500 BC, the first dental prosthesis has been constructed in Egypt. But by 700 BC, professional dentures were made and during medieval times, dentures were rarely considered as a treatment option. From past to present, different materials have been used to fabricate dentures which are as follows:


They are some features that are desired for a denture to contain. Dentures should be biocompatible, nontoxic, noncarciogenic, and translucent. The color of the denture should match color of teeth and gums [7].
