Do I need to have the anesthetic that will be used tested in advance?

Anesthetics ALWAYS test negative, no matter which one you use. Therefore, it makes no sense whatsoever to test them. Anesthetics are a necessary evil to be able to treat the patient. However, the anesthetics are broken down or excreted again within a very short time. In 15 years we have not experienced any complication with the anesthetic we use (Ultracain Forte = active ingredient articaine).