Introduction: The aim of this study was to assess the knowledge of general dental surgeons on the criteria for choosing the cervical margin in fixed prostheses in dental practices in Bamako and Kati. Methodology: This was a prospective descriptive study focusing on 73 general dental surgeons in dental practices in Bamako and Kati over a period of three months, from July to September 2025. Data were collected using a self-administered survey form given to practitioners. Results: The participating dentists represented a rate of 93.59%. Males represented a rate of 72.6%. The sex ratio was 2.63 (M/F). The 30-40 age group represented 53.4% of cases. Average: 33.78 years; Standard deviation: 4.98 years; Extremes: 27 and 46 years. Private dental practices were the most represented, accounting for 41.1% of cases. In our study, 34% of participants had completed other training courses. The number of years of experience was < 5 years in 46.6% of cases. Average: 6.96 years; Standard deviation: 4.26 years; Extremes: 1 and 15 years. The majority of participants were in the private sector, representing 72.7% of cases. The depth of the metal-ceramic crown was between 1.2 and 1.5 mm in 60.3% of cases. Shouldering accounted for 32.9% of cases for metal-ceramic crowns. The margin was between 0.8-1 mm in 61.7% of cases for metal crowns. The margin was recessed in 43.9% of cases for metal crowns. During the study, 58.9% of participants mentioned a depth between 0.8-1 mm for a zirconia crown. The chamfer margin was represented in 34.3% of cases for a zirconia crown. The margin was subgingival in 65.8% of cases to meet patients' aesthetic demands. The shoulder bur was used in 57.6% of cases for shoulder preparation. The chamfer bur was used in 57.6% of cases for chamfer repair. The pointed conical bur was used in 65.8% of cases for tracing preparation. The pointed conical bur was used in 50.7% of cases for highlighting undercuts. The margin was subgingival in 65.7% of participants for a m