A 9 year old boy sustains a fracture of the crown of his central incisor with minimal pulp exposure. He is brought to your office within one hour of the injury. A periapical radiograph reveals that the root of the tooth is complete but the apex is open. The most appropriate management is to

pulp cap with calcium hydroxide and restore.

perform a pulpotomy and seal temporarily.

perform a pulpectomy and seal temporarily.

perform a pulpectomy and fill immediately with gutta-percha and restore.