A missing tooth can be fixed by 3 ways:
Dental implant is the best way to replace a missing tooth.
However, it is the most expensive one among all three. Cost of a denture to replace a temporary tooth is Rs. 1000, and cost of bridge of 3 teeth set to replace a missing tooth is Rs. 18000.
Please read more about Implant Vs Bridge here, and Implant Vs Denture here.