A labial frenum causes a diastema between the permanent maxillary central incisors. The lateral incisors and canines have not erupted. The most appropriate immediate management is to

observe the case until the eruption of permanent maxillary lateral incisors and canines.

close the space with a fixed orthodontic appliance.

perform a frenectomy.

close the space with a removable orthodontic appliance.

close the space after the eruption of the permanent lateral incisors.