Hyper kinetic syndromes such as chorea and athetosis are usually associated with pathological changes in________?

In herpes primary lesion is________?

During oral examination of a 57-year old man a large keratotic patch that covers the entire palate is noted some Red Spots are also seen in the patch The patient most likely is a________?

In the triangle formed by the projection of the orifices of the canals of a maxillary molar, the________?

When a molar has no opposing tooth, it can become________?

First change to occur after nerve cut is________?