Final answer:
Pulp capping is the treatment used to save the pulp and encourage the formation of dentin at the site of an injury.
Step-by-step explanation:
The treatment that is used to attempt to save the pulp and encourage the formation of dentin at the site of the injury is Pulp capping. Pulp capping is a dental procedure where a special medicament is placed on the exposed or nearly exposed pulp to stimulate repair and the formation of a dentin bridge.