1. Most implants are made of titanium and are good quality. The success and failure depends more on the skill of your doctor and your body's capacity to heal than the quality of the implant. 2. You are young and at a good age for implants. Failure to replace a missing tooth will cause migration of the teeth beside it and further eruption of the tooth above into the space. This will create more problems in future and you will need to get 3 or more teeth treated instead of only the one missing.

Not replacing missing teeth causes many problems in the future. Movement of other teeth causing food impaction is one of the issues. Implant is one form of tooth replacement. Others like fixed bridge and dentures are also there. At your age implant is a good choice. There are many companies manufacturing implants like MIS, Pitt easy etc Ask your dentist for more info