Abstract: Objective: To observe the aesthetic effects of minimally invasive ultra-thin and CAD/CAM all-ceramic veneers in the restoration of anterior tooth gaps. Methods: Seventy-two patients who received anterior tooth gap restoration in our hospital from January 2024 to August 2025 were selected as study subjects and randomly divided into a control group and a study group, with 36 cases in each group. The control group received minimally invasive ultra-thin veneer restoration, while the study group received CAD/CAM all-ceramic veneer restoration. The restoration effects, aesthetic effects, incidence of complications, and treatment satisfaction of the two groups were compared. Results: USPHS scores of both groups were higher than before treatment, with the study group higher than the control group (P < 0.05); PES scores of both groups improved after treatment, with the study group higher than the control group (P < 0.05); the incidence of complications in the study group was 5.56%, lower than 13.89% in the control group (P < 0.05); treatment satisfaction in the study group was 94.44%, higher than 88.89% in the control group (P < 0.05). Conclusion: Both minimally invasive ultra-thin and CAD/CAM all-ceramic veneers have certain aesthetic effects for restoring anterior tooth gaps; however, CAD/CAM all-ceramic veneers offer better results, which can improve treatment satisfaction, aesthetic scores, and restoration effects while reducing the incidence of complications, making them worthy of clinical application.