I was practicing a filling technique
(I'm a dentist so it's okay)
And it got me thinking about you
A T R A U M A T I C
It certainly doesn't hurt now, does it?
R E S T O R A T I V E
I definitely packed all the material in, didn't I?
T R E A T M E N T
Oops... I can still see the caries. And I think I filled it with trash.

well,

I'm not a good dentist anyway.

Maybe I should fill the void by writing?