De or het urine-incontinentie?

The correct Dutch article is:

de urine-incontinentie

Rule Words ending in -tie and -sie: almost always de. See the rule

How to use urine-incontinentie

the urine-incontinentiede urine-incontinentie
this urine-incontinentiedeze urine-incontinentie
that urine-incontinentiedie urine-incontinentie
our urine-incontinentieonze urine-incontinentie
your urine-incontinentiejouw urine-incontinentie
every urine-incontinentieelke urine-incontinentie
which urine-incontinentie?welke urine-incontinentie?
a big urine-incontinentie / the big urine-incontinentieeen grote urine-incontinentie, de grote urine-incontinentie