Massachusetts ballot question may vastly alter dental industry

When Massachusetts voters head to the polls in November, they’ ll get the chance to settle an arcane dispute that could upend the dental industry. But take a look at who has funded this fight so far and something curious emerges: a one-on-one slugfest between orthodontist Mouhab Rizkallah and insurer Delta Dental of Massachusetts. This year, roughly 40 dentists…