Dentures are a widely used and effective solution for restoring a smile and replacing missing teeth. When they fit well, dentures allow you to speak clearly, eat comfortably, and feel confident. However, ill-fitting dentures can cause more than just discomfort; they can lead to a range of health problems that affect your mouth and overall well-being. If your dentures are loose, shift when you talk, or cause pain, here are five complications that may be developing behind the scenes.