Dental implants are a popular and effective solution for replacing missing teeth. They are designed to function like natural teeth, offering durability and aesthetic appeal. If you're considering dental implants, it’s important to understand when they might be necessary.   Missing or Severely Damaged Teeth The most common reason for needing a dental implant is the loss of a tooth or teeth due to injury, decay, or disease. If you have a tooth that has been severely damaged or is beyond repair, an implant can provide a permanent replacement.