What Are Dental Implants?

Dental implants are metal posts or frames that are surgically positioned into the jawbone beneath your gums. Once in place, they allow your dentist to mount replacement teeth onto them.

Because implants fuse to your jawbone, they provide stable support for artificial teeth. Dentures and bridges mounted to implants won't slip or shift in your mouth — an especially important benefit when eating and speaking. This secure fit helps the dentures and bridges — as well as individual crowns placed over implants — feel more natural than conventional bridges or dentures.

For some people, ordinary bridges and dentures are simply not comfortable or even possible, due to sore spots, poor ridges or gagging. In addition, ordinary bridges must be attached to teeth on either side of the space left by the missing tooth. An advantage of implants is that no adjacent teeth need to be prepared or ground down to hold your new replacement tooth/teeth in place.

To receive implants, you need to have healthy gums and adequate bone to support the implant. You must also commit to keeping these structures healthy. Meticulous oral hygiene and regular dental visits are critical to the long-term success of dental implants.

Implants are usually more expensive than other methods of tooth replacement, and most insurance carriers typically cover less than 10 percent of the fees.

The American Dental Association considers two types of implants to be safe. They are:

• Endosteal implants — these are surgically implanted directly into the jawbone. Once the surrounding gum tissue has healed, a second surgery is needed to connect a post to the original implant. Finally, an artificial tooth (or teeth) is attached to the post-individually, or grouped on a bridge or denture.
• Subperiosteal implants — these consist of a metal frame that is fitted onto the jawbone just below the gum tissue. As the gums heal, the frame becomes fixed to the jawbone. Posts, which are attached to the frame, protrude through the gums. As with endosteal implants, artificial teeth are then mounted to the posts.

Posts are surgically placed below the gums.	Artificial teeth, grouped on a bridge, are mounted to the posts.
Implants offer a very stable and secure fit.	Implants serve as a base for single replacement teeth.