Acute exposure criteria no longer apply when the immune system is directly involved. The standard of practice in allergic immunology is to avoid the substance that stimulates the immune system. Diagnosing metal caused illness. Every commonly used method of diagnosing dental metal caused illness has problems. Hair tests can show elevated mercury, but very rarely show enough mercury to meet acute exposure standards.
Urine studies are also insufficient to agree with acute exposure criteria.
Even with a chelation challenge, persons who are not ill will often show similar levels of mercury as those who are ill and suspecting their dental fillings. We are left with only two methods of diagnosing dental metal caused illness that appear logical, supported by the objective facts. Process of elimination. When all other potential causes have been eliminated, then the teeth at long last become suspect. If you have mercury dental fillings, you have mercury exposure.