Apply to Take the OAT Before you can apply to take the OAT, you must obtain a Personal Identification Number (PIN). Please go to the PIN page for information on obtaining a PIN. Access the OAT application from the left navigation. The OAT fee is: $435.00. Testing fees are non-refundable and non-transferable.
What to do: See your dentist or endodontist to save the tooth with root canal treatment. Symptom: Constant and severe pain and pressure, swelling of gum and sensitivity to touch. Possible problem: A tooth may have become abscessed, causing an infection in the surrounding tissue and bone.
If the nerve of your tooth becomes infected by decay, or damaged by trauma, root canal treatment is often the only way to save your tooth.Inside your toothâs hard outer shell of enamel is a nourishing pulp of blood vessels, lymph vessels and nerves. Many times this pain is felt after a recent dental procedure such as a filling or a crown. 2  A rule of thumb is that if the pain does not subside within a 6 week period of time or becomes increasingly severe, then a root canal will be required (make sure the bite is correct!).