An 8 year old patient with all primary molars still present exhibits a cusp-to-cusp relationship of permanent maxillary and mandibular first molars and good alignment of the lower incisors. The management of this patient should be to

place patient on appropriate recall schedule.

disk the distal surfaces of primary mandibular second molars.

use a cervical headgear to reposition maxillary molars.

refer for orthodontic consultation.