Several teeth in a row can be replaced at once with an implant retained bridge or cantilever

A cantilever is when two teeth can be replaced with one implant. This is done sometimes when there is not enough space for two implants such as replacing a central and lateral incisor together.
Three teeth can be replaced with two implants. This is commonly done to replace three back teeth when a person has only front teeth remaining. It is commonly a more effective way to replace multiple teeth.