Poor oral hygiene over a long period will inevitably begin to erode the teeth. They’ll begin to lose their white glow as the enamel breaks down. You will feel pain, and they might begin to feel loose and even fall out.
The difficulty of having missing teeth comes in two parts. Firstly, it can cause serious social issues, like affecting your confidence in yourself and how you feel around others. It can cause plenty of other negative effects too, such as difficulties speaking and eating.
The nature of implants requires the bone to fuse with the artificially placed implant for a secure fit in the mouth. This may not always happen for a variety of different reasons, but if an implant case is correctly planned, executed, and monitored, the chances of this happening are greatly reduced.