This means they become stronger, but also more brittle–susceptible to breakage–over time.
The good news is that most of this occurs over the first year or so, os if you’re storing old dentures, the odds are good that they’ve stabilized and won’t change a lot.
On the other hand, your mouth continues to change as long as you are wearing dentures.
That way, you’ll at least know that your backup dentures will fit when you need them.
Or you can buy two primary pairs of dentures and alternate wearing them.
Here's what to do before and after you install an i OS beta release on your i Phone, i Pad, or i Pod touch.
Before you install i OS beta, use this section to back up your device in i Tunes, then archive or copy your backup. Use the next section to update to the finished, nonbeta version of i OS.
As you can see, the cost per-year drops with longer subscriptions.