This course is designed to provide didactic and lab instruction in nitrous oxide/oxygen analgesia in accordance with American Dental Association Guidelines. The dental hygiene student will acquire comprehensive knowledge and skills necessary to safely and effectively administer nitrous oxide and oxygen sedation with local anesthesia injections. Upon completion of this course, and graduation from the dental hygiene program, students will have completed the educational requirements for nitrous oxide administration and monitoring for certification by the state of New Hampshire. (Prerequisites: ADED 212C and ADED 244C; Corequistie: ADED 221C.)