What is the plural possessive of dentist?

Answer 1

The plural form of the noun dentist is dentists.

The plural possessive form is dentists'.

example: The dentists' offices are in the third building down.

Answer 2

The plural possessive of "dentist" is "dentists'." Add an apostrophe after the final "s" to show that multiple dentists own something. Now go forth and conquer the world with your newfound knowledge!