Braces produce light, continuous pressure that gradually moves teeth into their proper positions. The process of moving teeth into proper alignment is part of a very natural bone turnover process that happens in nearly every part of the body. The bone surrounding the teeth, like any other bone, is a dynamic tissue that is constantly being reshaped by cells in the body. In this process, bone is continually being taken away, added to and grown over time. It is a cycle that is facilitated by osteoblasts (molecules that add bone) and osteoclasts (that take away bone). Your teeth can easily move due to a force that is applied by the braces, or brackets, that are placed on the teeth and the wire that is inserted into the brackets. As the wire tries to return to its original shape against the brackets, it creates a very light pressure on the teeth, and the natural, physiological process takes over and the teeth begin to move.