Hello, Basically, it takes over an hour for one implant. Hence, for multiple implants, it might take two-three hours. Further, the type of implant is advised by the doctor after few examinations. This examination would help the doctor to understand a few factors that are important before proceeding with the implantation procedure and accordingly the cost structure will be decided.. Hope our answer helps you. If it helps, then you can also refer our page to find dentists - Periodontists in India.