Best option is Dental Implants. That way the neighbouring teeth are not harmed.

apart from fixed bridge, other options are implants and removable prosthesis (teeth plate). for fixed bridge your adjacent teeth should be in a good condition.

Fixed bridge is one of the options. Other options to replace missing teeth is implants and removable prosthesis. To replace missing teeth with fixed bridge there should be sound tooth on either side of the area of complaint. For replacement with implants available bone needs to be checked in X-ray. However adjacent teeth are not touched in this modality. Removable prosthesis can be done however that needs to removed from the mouth in the night.