Yes, Pulpotomy is completely safe. When the cavity reaches the nerves of the tooth in a deciduous (milk) tooth, then Pulpotomy or Pulpectomy is required, means the doctor will be removing the infected pulp from the tooth.
Next Steps
Visit a Pediatric Dentist and get it done.
Health Tips
Adv maintaining oral hygiene and brushing twice a day with soft bristles toothbrush.