My wife has been mainly incontinent now for over a year. It started with her apparently forgetting to use any toilet paper, then little accidents etc etc.
We progressed from liner type products to pull-up pants and initially, she would get through anything up to 6 a day. I got some great advice from a kind lady on the national dementia helpline, who explained that the PWD often forget the actual processes involved. She also suggested trying "preemptive toileting", where you take them to the loo at frequent intervals.
It is quite time consuming, as my wife can often either sit there for ages or keep getting up, whereas I know she probably needs a wee. On those occasions, I just keep gently (most of the time) getting her to sit back down and eventually the "go switch" seems to engage.
What I have also found is that it's best to remove her trousers and pull-ups, as she will often pull them back up without wiping etc. I too, often have to coax her gently to sit down and then take her in the bathroom to wash her hands.
If I didn't do all this, she would never actually take herself to the toilet - doing so means she is at least still following the toilet routine, with the added benefit of generally getting through far fewer pull-ups.