Implant treatment is regarded as a safe technique with high rates of success ( Adell et al., 1981; Adell et al., 1990; Buser et al., 1997; Buser et al., 2000; Wennström et al., 2005). Nevertheless, it has, as every surgical procedure, several complications that can occur and that must be known in order to prevent or solve them. Implantology is an ever growing field that is reaching the practice of general dentists due to the simplification of technical procedures. Specialists in oral surgery now perform more demanding procedures, along with general dentists, they must pay special attention during the learning curve in order to avoid risks. The osseointegration process is considered to be safe and durable by both patients and dentists, for this reason, implants are considered as the first option to treat almost all cases of complete or partial edentulism. Regarded as a problem free procedure, it´s demand is increasing. Despite the severe complications index is low, risk evaluation must be conducted systematically during the preoperatory stage based on clinical history, thorough exploration and if necessary consulting other specialists, dentists or physicians. Only by using a good work protocol, we can detect the local and systemic risk factors that could determine the success of the treatment and allow us to implement preventive measures if needed...