Consult an attorney before you do anything as you definitely don't want to make any mistakes.

Both doctors appear to be responsible. Consult a dental malpractice attorney with your records.

Breaking the Hippocratic oath to do no harm to a patient.

Consult an attorney with all of the facts for advice.

Do doctors have to always use protection such as lead when conducting an x-ray?

Should've been used but these days not much radiation is needed for these types of x-rays so damage is not going to result.

I have a complex civil case regarding deceit defamation slander harassment retaliation neglect several federal and state laws

Google attorneys in your area to consult with.

Do I have a Malpractice Case ? Topical pregnancy and now I can no longer have kids . . . .

Follow my colleagues' advice and have the records reviewed.

Can I sue for defamation or harassment?

Doesn't appear you have a valid claim without significant damages.

Hire a traffic ticket attorney to advise and represent you.

Can I be sued for libel if I didn't know my statement was false when I made it?

Yes though it doesn't appear to be something to worry about given the facts.

The limit of liability of letting a friend driving my car.

Whatever your coverage limits are.