Aberrations in tooth morphology resulting from late disturbances during the differentiation process most commonly result in size variations. Peg-shaped or mesio-distally deficient maxillary lateral incisors demonstrate variation in the expression of the trait, although the genes causing this are not known. Individuals with malformed lateral incisors often display a diastema in the midline region caused by the distal movement of the central incisor. These patients may exhibit otherwise normal dentitions unless other congenital etiologic factors or habits are present. The purpose of this article is to show an orthodontic and restorative approach for the treatment of peg-shaped lateral incisors.