As a general dentist who has been restoring dental mplants since the early 90's and placing dental implants since 2006. I have had experience with and use both "traditional" and "mini" implants. Much like the name sounds, mini implants are much like regular implants but typically have a much smaller diameter than "traditional" implants; hence the name "mini". They may or may not be as long as a traditional implant, and depending on what you are trying to accomplish, you may need more than one of them as they do not have the same surface area that a longer or larger diameter "traditional" implant has. There are ideal calculations for the proper amount of surface area the implant needs to replace the missing tooth or teeth, depending on how much force it is likely to need in order to be strong enough to withstand the forces of chewing. Many Dr's love mini implants, but they do not seem to be as popular as the "traditional" dental implants. It is always best to get more than one opinion when contemplating getting dental implants whether you are replacing one tooth or an entire mouthful of teeth. I personally tend to use the mini implants when replacing smaller individual teeth, rather than the fatter back teeth, or when a patient has no teeth at all and wants "teeth in a day" and we use the mini implants to temporarily support the temporary teeth while the traditional implants are healing. I hope that helps someone out there.