The implants reasons are strong enough against a bridge or crown. First of all there needs to be tooth preparated the adjacent teeth. While avoiding placing denture fact necessary, particularly at young ages, which must be cosmetic dentistry. Finally, the use of implants having a longer duration than any other prosthesis.
The reason for implant placement avoidance is economic, since the implant placement costs are more increased with respect to the bridge, a denture or crown. Furthermore, the duration of treatment is longer. As a solution to this case is used as a temporary restoration, until the final phase of treatment