Which statement correctly differentiates pulpotomy from pulpectomy in primary teeth?

Study for the Pediatric Dentistry II Exam. Utilize flashcards and multiple choice questions with hints and explanations. Prepare thoroughly for your exam!

In this context, the key distinction is the extent of pulp tissue removed and the treatment goal. A pulpotomy removes only the coronal portion of the pulp while leaving the radicular (root) pulp intact, with the aim of preserving vitality in the root canal system. This approach is used when inflammation or exposure is confined to the coronal pulp but the radicular pulp remains healthy enough to continue forming dentin and maintain tooth vitality. A pulpectomy, on the other hand, involves removing all pulpal tissue from both the crown chamber and the root canals, effectively treating a non-vital or irreversibly inflamed pulp and then filling the space with a resorbable material.

Therefore the statement that best differentiates them is that pulpotomy removes coronal pulp with preservation of the radicular pulp, while pulpectomy removes all pulpal tissue from the roots. The other options either describe pulpectomy or misstate when pulpotomy is used (for example, pulpotomy is not performed on necrotic pulp or for irreversible pulpitis in primary teeth).