It feels like something was cut at the end of the doll story
When the old lady appears at the end, but does absolutely nothing and then there's the cut to the doll nearby.
Was there a version where the old lady said something? It's a very odd choice to have the old lady appear, but say nothing to Duke. And that cut to the doll is quite abrupt.
Fluoride does not prevent tooth decay. It does render teeth detectable by spy satellite -JL