Purpose: To report a case of gummy smile correction through periodontal plastic surgery with the aid of digital tools for planning and diagnosis. Case report: To obtain an accurate diagnosis, a complete and individualized diagnostic evaluation is necessary to identify which treatment is most suitable for each patient. With the evolution of technology in contemporary dentistry, these tools have become indispensable for the correction of the red aesthetics of the smile, especially about communication between the dentist and the patient. Conclusion: Thus, the use of technologies for digital diagnosis provided greater predictability of results and surgical precision, leading to a positive impact on the patient's quality of life in the postoperative period and satisfaction with her smile.