Goodness Dental offers three recommended dental implant solutions: All-on-8 and its derivative solutions: All-on-6, and All-on-4. They look similar, but there are some differences between them. At Goodness Dental, only a qualified, licensed maxillofacial surgeon places dental implants for our patients. This is why we are the only dental clinic in Costa Rica to offer a Lifetime Guarantee on Dental Implants. We'll even put this guarantee in writing!