It is commonly called freezing and will greatly reduce your discomfort level.
Analgesics are drugs that dull the perception of pain.
Commonly used analgesics are aspirin and ibuprofen. If you are experiencing more than moderate pain, your dentist may prescribe codeine or administer Demerol. Sedatives are sometimes used to relieve a patient's anxiety. You will become very relaxed yet remain conscious. Deep sedation is often used for procedures such as oral surgery.