Pediatric Dental Treatment Your child may or may not experience pain or discomfort with dental cavities. Hence, it is important to have regular check-up with your dentist to avoid more aggressive treatment. If cavities are found, depending on the severity of the cavities and related symptoms, your child may need to receive dental restorations (filling vs. stainless steel crown), root canal treatment (pulpotomy vs. pulpectomy), or dental appliance for space maintenance such as Nance appliance or Lingual Holding Arch.