The dentist pokes their teeth with a dental probe that makes microscopic holes then sends them home.

The dentist buys a fancy dinner that night.

The person comes back to the dentist 6 months later.

The dentist tells them that they have cavities and need fillings.

The person pays thousand of dollars to get the fillings and goes home.

The dentist buys a new iPhone.

A year later they return to the dentist because of pain.

The dentist tells them they need a root canal.

The person comes back a week later for the very expensive root canal.

The dentist drills into their tooth ripping out the nerve with corresponding blood vessels.

Then he seals the tooth shut which creates an abscess in the tooth where blood can't reach.

The person thanks the dentist and goes home.

The dentist buys a new car.

A couple months later the person feels sick because rotting flesh is starting to form in the abscess that the dentist made.

The dentist tells them that they will need another expensive procedure.

The person who no longer has healthy teeth gets the procedure and goes home.

The dentist buys bitcoin.

They return 6 months later so that the dentist can clean their child's teeth.

The cycle continues…