Wearing dentures can significantly improve your quality of life, restoring your ability to eat, speak, and smile with confidence. But if your dentures have developed an unpleasant odor, it can be both embarrassing and frustrating. Bad-smelling dentures are a common issue, and thankfully, one that’s usually preventable and treatable. Here’s a closer look at why dentures can start to smell and, more importantly, what you can do to fix it.