There are three types<span> of fibrous </span>joints<span>: (1) Sutures are nonmoving </span>joints<span> that </span>connect bones<span> of the skull. These </span>joints<span> have serrated edges that lock together with fibers of connective tissue. (2) The fibrous articulations between the teeth and the mandible or maxilla are called gomphoses and are also </span>immovable<span>.</span>