What's the plural form of osseointegration? Here's the word you're looking for.
Answer
The noun osseointegration can be countable or uncountable.
In more general, commonly used, contexts, the plural form will also be osseointegration.
However, in more specific contexts, the plural form can also be osseointegrations e.g. in reference to various types of osseointegrations
or a collection of osseointegrations.