Systemic analgesia for pain-free dentistry.
D000698:Analgesia; D000766:Anesthesia, Dental; D000772:Anesthesia, Local; D008614:Meperidine / Q000008:administration & dosage; D009609:Nitrous Oxide / Q000008:administration & dosage; D011229:Preanesthetic Medication
D008614:Meperidine; D009609:Nitrous Oxide