Introduction: Current implant rehabilitations must take into account prosthetic imperatives. Pre-implant planning permits to highlight some unfavorable clinical situations that compete against the ideal implant location. An alternative prosthetic design intending the use of an implant-supported cantilevered bridge may be suggested. Purpose:The main aim of our review is to analyze the biomechanics of fixed partial implant cantilevered restorations as well as the criteria for a reliable choice of this design. Materials and Methods:The literature research was performed using the PubMed, direct Science and Google scholar electronic databases, using the following keywords and Boolean equations: (((partial implant supported dental prosthesis) and (cantilever); ((((Biomechanics) and (fixed dentures)) and (implants)) and (cantilever)); ((((Biomechanics) and (fixed dentures)) and (implants)) and (extension)). To be selected, articles must be published between 2010 and 2020.Results: Nine articles using various methods of stress evaluation: photoelasticimetry, strain-gauge measurement, and finite element analysis (FEA) were included in our review to analyze the biomechanics of cantilevered fixed partial implant prostheses. Conclusion:The prognosis of cantilever implant prostheses depends on the length, location of the cantilever, the superstructure materials, the density and the size of the available bone. The prosthodontist can choose the best treatment approach by acting on the factors improving the biomechanical behavior of cantilever restorations.
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