Dental bridges are considered to be permanent implants because once they are fit on the teeth, they cannot be removed. They are quite different from dentures. Dentures are temporary fittings. People who use them can remove them, and in fact, they must remove them, when they retire at night. They are supposed to remove the dentures and clean the teeth below them if present by regular means such as brushing and flossing. However, with dental bridges, removal is not possible.
Once these permanent bridges are placed, they become complete functional and cosmetic substitutes of the teeth that were lost. These bridges can also be given the same colors as the other teeth so that they do not become apparent to the user. As such, fitting permanent bridges is done for cosmetic reasons.
But there is one significant difference between dentures and permanent bridges. These permanent bridges are only possible when there are one or two healthy adjacent teeth to support them, which are known as abutment teeth. Hence, a person who has become completely edentulous (toothless) cannot use permanent bridges.
There are many types of bridges to choose from if one is looking for keeping them forever. The most common of these are the fixed bridges in which the bridge is present between two crowns on either side. When the crowns are fit over the abutment teeth, the false tooth takes the place where the tooth was lost. If only one of the abutment teeth is present, then the bridge used is a cantilever bridge which has only one crown to fit over the one tooth.
These dental bridges become permanent because the dentist uses a cementing method to keep them in place. The abutment teeth are first cut down to a size so that they can accommodate the crown properly, without any bite discrepancies. Then, the underside of the crown is filled with cement which is then fitted with pressure on the abutment teeth. The cement dries up almost instantaneously and the crowns and the bridge become completely fixed in position.
In previous days, it was difficult to have permanent bridges and dentists would even have to give guaranties in order to convince patients that these implants would work. This is because the cements used in dental implants were not perfected back then. People had to wear braces and take care of what they ate for a few days after these procedures. However, today, people can almost walk out of the clinic as soon as the implants are done and lead their regular lives.
There is also development in the form of resin chemistry. Highly adhesive resins are developed to permanently fix the false teeth . These resin-bonded teeth help the false implants to fuse with the gums and the bones so that they are fixed in a completely irremovable manner.
Hence, it is quite safe to go for dental bridges today because the technology has definitely vastly improved. Once properly done by a qualified dentist, these implants will remain for years to come without ever needing corrective methods. Proper care and maintenance is needed, which the dentists usually illustrate how to carry out.