How long will it take for a hole in upper right gum with a missing tooth to heal if its infected from toothache?

It depends.: If the condition is being treated by your dentist, a few weeks. If you are not being treated with any medication or dental care, it may take longer or never really heal properly.

Varies: Once the infected tooth is removed, healing can start immediately. For the hole to fill in completely, it can take several months whether the tooth was infected or not.

Depends: Usually it takes weeks.