"Dr. Bertl could reproduce a patient's natural teeth exactly and
had experimented with various compounds and their effect on resonance."
Dr. Felix Bertl was one of the most renowned dentists in the Midwest who made a set of dentures for Francis
Dolarhyde's grandmother. Bertl's teeth were called "Swiss Teeth" since Bertl was Swiss, and were popular with opera singers, actors and others in public life who feared getting dentures might change the tone of their voices.
"HANNIBAL" (Four years before)
It is unknown if Felix Bertl will appear in Hannibal.