[panel 1]

Human: I know you're unhappy Muffin, but the vet said your bad breath means you need your teeth checked.

[panel 2]

Vet: All right Muffin, let's get a look at those chompers of yours

[panel 3]

We see Muffin's teeth. They are very terrible.

[panel 4]

Human: Whoa, why is the vet bill so high this time? Oh.

Vet bill reads:

Dr. Greene Veterinary            Invoice Page 2 of 2

Extra Charges:

Sorry about this, but we had to charge extra for Muffin’s dental surgery due to her mouth being like if a shark mated with a cthulhu and then the baby chewed up a jumbo pack of hand grenades