Introduction: The aim of this study is to determine the criteria for the choice of a luting or bonding agentsby dentists for the fixation of dental prostheses. Materials and Methods: A descriptive epidemiological survey was conducted among 320 private dentists in Casablanca. Results: 303 dentists participated in this study, a participation rate of 94.7% with a gender ratio of 0.91. Ionomer Glass Cement (CVI) is the most widely used cement for dentists with a percentage of 82.2%. Self-adhesive resins are the most used adhesives with a percentage of 63,2%. The factors identified as influencing the choice of luting cement are: the type of prosthesis for 71.3% of dentists, the preference according to experience for 68.3% and the properties of the material for 56.1% of them. Regarding bonding materials, the criteria identified as influencing the choice of adhesives are: the resistance to decohesionfor 77.2% of dentists, the type of prosthesis for 70.6% and finally the preference according to the experience for 49, 3% of them. Discussion: CVI is the luting agent most used by the study population. For adhesives, self-adhesive is the most used material. This can be explained by the fact that the simplicity of their implementation protocol compared to other bonding agents. The type of prostheses and the resistance to decohesion are the major choice criteria for a luting or bonding agents. These two criteria depend on the clinical situation and the properties of these materials to make the most suitable choice. However, the preference of dentists from their experience is an important criteria of choice, which shows the significant place occupied by personal habits as a criteria of choice among the population of dentists studied. Conclusion: Restorative dentistry has undergone a significant evolution thanks to the development of new techniques and the appearance of new materials, with indications specific to each clinical situation. This complicates the task of the dentist to make a reasoned choice among the multitude of materials available.
