Today you have an appointment with your dentist Dr. Euryale. You are not relaxed at all, because your teeth are in a bad shape and you are afraid of the treatment she might choose for you. To make things easier, a dental gag has been placed on your mouth, that is now extra wide. You feel even more vulnerable in front of Euryale. As she is examining your teeth, she explains to you how dental hygiene works and how to maintain it