Objective To analyze the application effect of porcelain veneer in oral aesthetic restoration and its effect on gingival health level. Methods A total of 59 patients who underwent oral aesthetic restoration and were admitted to Chaoyang District Xiaohongmen Community Health Service Center from March 2023 to May 2024 were selected as the research subjects. According to the random number table method, they were divided into the control group (29 patients) and the observation group (30 patients). The control group received all-ceramic crown restoration, and the observation group received porcelain veneer restoration. The restoration effect, gingival health level, complications and satisfaction were compared between the two groups. Results At 1, 3 and 6 months after restoration, the USPHS scores in the observation group were lower than those in the control group, and the differences were statistically significant (P <0.05). At 6 months after restoration, the BI, PD and AL in the observation group were lower than those in the control group, and the differences were statistically significant (P <0.05). The incidence of complications in the observation group (3.33%) was lower than that in the control group (20.69%), and the difference was statistically significant (P <0.05). The satisfaction rate in the observation group (96.67%) was higher than that in the control group (72.41%), and the difference was statistically significant (P <0.05). Conclusion The restoration effect of porcelain veneer in oral aesthetic restoration is good, which is beneficial to ensuring the gingival health of patients, reducing the incidence of complications, and improving the patient satisfaction.