Question: Which company operates in more countires BlackRock or Dentsply Sirona?
Sentence (from "CEREC"): The Cerec name is also a brand name of the Sirona companies (as of 2016 Dentsply Sirona) (Sirona Australia, Sirona Germany, Sirona USA, and others), because Sirona grew out of the exclusive licensing of the system by Siemens.
Relevant evidence: No