Hi, I have just noticved a small indentation/hole in my gums immediately below one of my bottom front teeth, my teeth are in decent condtion although I have noticed a slight change in the health of my gums which im not sure is the start of receeding gums, at the moment I'm more worried about this indentation/hole. Would you have any adive as to what it could be besides goign to see a dentist, by the way it doesnt hurt.