Dental implants are an incredibly safe way to resurrect missing teeth and prevent further tooth loss. The procedure, known as implantation, is around effective, and is a routine oral surgical procedure. But what about the other 2%? How do we know if a dental implant is going to fail? Usually it is very hard to tell and only the dentist will be able to spot a faulty implantation. But there are some signs that tell you to go to a dentist straight away. We have collected 8 of these tell-tale signs.