Occasionally, there are some cases that dental implants have been rejected. In most cases it is possible to replace it with another implant, usually slightly larger. The failure rate observed in 1% – 5% of cases, and may be slightly higher in smokers. The key ingredient for the successful placement of dental implants is the correct diagnosis and the correct treatment plan. It is worth for noting that the implant manufacturers give a warranty certificate, undertake rehabilitation in cases of failure due to material failure