Dr. del Castillo received his bachelor of science degree from the University of Florida in 1981. He earned his dental degree from Tufts University School of Dental Medicine in Boston, Massachusetts in 1985. Dr. del Castillo remained at Tufts until 1987 during which time he received his specialty training in periodontology. Returning to his hometown of Miami Lakes, Dr. del Castillo established his practice November of 1987, and then later founded Miami Lakes Periodontal Associates in 1995.
Dr. del Castillo has lectured both nationally and internationally on regenerative and implant therapies. Dr. del Castillo is a published author on regenerative therapies in the Compendium of Dental Therapy May 2000. Dr. del Castillo is a visiting lecturer at Nova Southeastern Dental School in South Broward Florida, University of Maryland Dental School and Tufts University School of Dental Medicine in Boston, Massachusetts. Dr. del Castillo was appointed a visiting faculty member at Tufts University School of Dental Medicine.