Frankie: That's it. Really get in there.
Dr. Goodwin: Explorer.
Frankie: That's right. This is an explorer. [Frankie places an additional one in the patient's mouth]
Dr. Goodwin: Oh. Okay. The more, the merrier, I guess. Let's see. There's some decay on the mesial buccal surface of number two...
Frankie: Bingo. That's right. That's a hard one to find.