Intracanal disinfection in permanent teeth: Isolate the tooth with a rubber dam. Clean, de-bride and instrument the canals. Rinse and dry the canal spaces. Moisten a small cotton pellet with Buckley's Formocresol. Blot or wring any excess liquid from the pellet. Place the cotton pellet in the pulp chamber and seal the access hole with a temporary filling material. Recall the patient after a minimum of 48 hours and remove the pellet. Complete the endodontic treatment and restore.
Buckley's Formocresol pulpotomy in primary teeth: Isolate the tooth with a rubber dam. Remove visible caries. Remove the coronal pulp with an excavator or bur leaving the radicular pulp. Achieve hemostasis. Moisten small cotton pellets with fomocresol. Blot or wring any excess liquid from the pellet. Place the pellets directly on the radicular pulp stumps for 5 minutes. Place a base or a core in the tooth and restore.
