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The closed technique had more discoloration (P0.001) and a delayed response to the cold test (P=0.021). In general, patients were satisfied with both techniques but considered the treatment time to be very long. A closed surgical exposure of palatally impacted maxillary canines is preferred in terms of aesthetics when measured with the MCAI. There was no difference between the 2 techniques in terms of periodontal outcome. Canines treated with a closed exposure tended to have a darker color and delayed response to cold testing. A close