It is proven that after every extraction of one or more teeth the alveolar bone of the respective region undergoes resorption and atrophy. Therefore ridge preservation techniques are often employed after tooth extraction to limit the volume of the alveolar bone that is going to be resorbed. There are many benefits in employing a flapless ridge preservation procedure. The purpose of this article is to present the literature concerning flapless ridge preservation techniques with collagen plugs for occlusion of the socket. The term 'socket-plug technique' is introduced to include these techniques. The basic steps of the 'socket-plug technique' are:�Atraumatic tooth extraction�Preservation of soft tissue architecture with the flapless technique�Placement of the appropriate biomaterials in the extraction site�Collagen plug stabilization A case is presented to illustrate the steps used in this technique.