This chapter discusses the role of sutures, their improvement over time, and their therapeutic value, including general concepts and examples. First, the history of sutures and some of their characteristics are mentioned, followed by their classification and characteristics. current of these. Likewise, the modification of sutures is discussed, as a tendency to improve their bioactive properties, ... [Show full abstract] including evaluation criteria such as structural modification, chemical modification, drug administration studies and new materials with response to stimuli. Finally, a brief conclusion summarizes the importance of suture improvement.