A large cavity in a baby tooth can often extend down to the pulp chamber of the tooth where the nerve is located. When this occurs the decay cannot be successfully removed from the tooth without running into and exposing the pulp. If the pulp of a baby tooth is exposed the tooth is treated with a Pulpotomy.
A Pulpotomy is a procedure in which the top portion of the pulp, or nerve, is removed from the tooth. Unlike a “Root Canal” on a permanent tooth, a Pulpotomy does not extend down into the roots of the tooth and is much less invasive and easier to perform. Once the top portion of the nerve has been removed a material is placed inside the tooth to protect the remaining nerve tissue and a crown is placed over the tooth.