Which of the following is/are true regarding a tooth filled with a formaldehyde-containing paste?

Formaldehyde-containing pastes have a high antigenic potential.

Formaldehyde-containing pastes remain non-approved.

The drug manufacturer may be liable, along with the dentist.

All of the above.

There are cases on record of parasthesia following overextrusion of such a paste in the vicinity of the mandibular nerve.