Its not any specific nerves in your face that can cause numbness, its the compression of the nerves that cause it.
Possibly, but only in the region of the tooth - the nerves are connected for different areas. However, an infection can spread fairly easily and affect a lot more than it might otherwise. If you have...
Stroke Bad acidToo much vyvansemostly strokeTake your pick
Yes because it is the pressure that causes it
these are very serious symptoms of a stroke please see your doctor or call hospital when experiencing this.