A space between adjacent teeth is called a"diastema".The midline diastema is a space (or gap) greater than 0.5mm between the mesial surfaces of maxillary central incisors. Midline diastema's can be physiological, dentoalveolar, due to a missing tooth, due to peg shaped lateral, midline supernumerary teeth, proclination of the upper labial segment, prominent frenum and due to a self-inflicted pathology by tongue piercing.Effective diastema treatment requires correct diagnosis of its etiology and intervention relevant to the specific etiology.