[disclaimer]

Remember back when dentists used to do the primitive drill and fill, and people actually got cavities? Then cavities would form under the fillings and you'd have to get a root canal later? Oh wait, that all still happens today. Hey, that hasn't changed at all over the last 100 years or more!

[oyez]

But they have the neat vacuum gizzy and you don't have to spit/drool into the cuspidor.

[GrandMoM]

Hey, that hasn't changed at all over the last 100 years or more!

....lot more expensive NOW!