This work, is a review of the surgical, biological, prosthetic-mechanical and aesthetic factors that can interfere with the viability of dental implants is carried out, because it is important to update the findings found in the last five years, which will be of great useful for planning and monitoring dental implant surgeries. Objective. The present research work aims to describe the surgical, biological, prosthetic-mechanical and aesthetic risk factors associated with the viability of dental implants in the mouth. Methodology. This study is a narrative monograph constructed from a bibliographic review in databases and dental journals where results of the prevalence of implant failure associated with risk factors are recorded during and after surgery between 2015 and 2020, using as search criteria the words dental implants, dental implant failure and risk factors. Results. Risk factors that negatively affect the implant success rate are implant malposition related to incorrect angulation and flapless implant placement technique (p = 0.02), post-surgical infection in the implant placement site (p <0.05), the implant material in titanium IV (p <0.0001) and bruxism (p = 0.02. Conclusion. The factors that negatively affect the success rate of the implants are the implant malposition, the implant placement technique flapless implants, postoperative infection, IV titanium implant material (p <0.0001) and bruxism