Do I have a Tylenol addiction?

I got my tooth extracted two months ago but the root is exposed causing sensitivity, thus causing me to be in pain. I have been taking Tylenol Extra Strength for at least two weeks but no longer than four weeks. I was on Vicodin for a bit after I got my tooth extracted. I have two questions: 1. Am I addicted to... show more I got my tooth extracted two months ago but the root is exposed causing sensitivity, thus causing me to be in pain. I have been taking Tylenol Extra Strength for at least two weeks but no longer than four weeks. I was on Vicodin for a bit after I got my tooth extracted. I have two questions:

1. Am I addicted to Tylenol?

2. Could I get liver failure? I don't have any of the symptoms currently.

I am very scared but I have to take Tylenol in order to not be in pain for the time being until the tissue heals. I would appreciate any input. Thanks in advance.
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