A 9 year old girl reported with chief complaint of excessively big front teeth Clinical examination showed 11 21 macrodontia, 22 crossbite, 21 rotated 90degrees, anterior crowding. No tooth was missing. Radiographic examination showed that- 11 was in Demirjian's Stage E of root development with blunder buss canals, very thin dentinal walls and nonrestorable endodontically with two pulp horns. Arch analysis was done and 11 was extracted. The tooth examination revealed a macrodont of size 13mm width mesiodistally, fragile and immature thin roots. Orthodontic appliance with Z-spring i.r.t. 21 to correct its rotation and 22 for correction of crossbite was given to the patient. After approx. 6 months, these irregularities were corrected .It followed with fixed orthodontic treatment to close the space of extracted 11 and fine movement. Finally, patient had a more aligned, aesthetically pleasing and no tooth irregularities. Palabras clave: macrodont, maxillary, crossbite, immature, rotation, crowding, esthetic