What Are Dental Implants? Dental implants are replacement tooth roots. Implants provide a strong foundation for fixed (permanent) or removable replacement teeth that are made to match your natural teeth. What Are the Advantages of Dental Implants? There are many advantages to dental implants, including: #1 Improved appearance. Dental implants look and feel like your own teeth. And because they are designed to fuse with bone, they become permanent. #2 Improved speech. With poor-fitting dentures,