In today’s time it is the best possible replacement option available for a missing tooth.
The one negative factor being its price, yes it is costly too.
Earlier if you had a missing tooth, only a bridge was a fixes option available, but now this option is also there.
It’s basically a titanium screw which gets embedded in the pts bone & acts like a root substitute.
Two basic things required for implants is bone quality & quantity.
Also the entire medical history & blood profile needs to be checked & a lot of planning goes for making sure as to what size of implant is to be placed.
Various types / Qualities / Generations of implants are available to choose from depending on your budget.
The biggest advantage of an implant is that the adjacent two vital teeth are saved which otherwise would have been grinded for a bridge.