前牙修复中二氧化锆全瓷冠的美学效果及对龈沟炎症反应的影响

Aesthetic effect of all-ceramic zirconia crown in anterior teeth restoration and the influence on gingival sulcus inflammatory response

目的:分析前牙修复中二氧化锆全瓷冠的美学效果及对龈沟炎症反应的影响。方法:选取2019年11月至2021年11月于我院进行前牙修复的患者84例(176颗)作为研究对象,根据其治疗方式分为观察组(n=42例,92颗)与对照组(n=42例,84颗),其中对照组患者在进行前牙修复时给予金合金烤瓷冠修复,观察组患者则给予二氧化锆全瓷冠修复。参考美国加州牙科协会制定的标准评估两组美学效果(边缘密合度、修复体颜色、解剖外形、修复体折裂、牙龈状况);修复前、修复2 m后经咀嚼功能测验计算咀嚼效率;采用酶联免疫吸附法测定龈沟炎症因子,包括肿瘤坏死因子-α(Tumor necrosis factor-α,TNF-α)、白细胞介素-6(Interleukin-6,IL-6)、C反应蛋白(C-reaction protein,CRP)水平;并对疗效及并发症发生情况进行客观性评价。结果:修复后,观察组美学效果显著优于对照组(P<0.05);修复前两组咀嚼效率、龈沟液TNF-α、IL-6、CRP比较无明显差异(P>0.05),经修复后各指标均升高(P<0.05),且观察组咀嚼效率高于对照组(P<0.05),但龈沟液TNF-α、IL-6、CRP均低于对照组(P<0.05);观察组总有效率明显高于对照组(P<0.05),但两组牙龈疼痛、发炎、牙体腐蚀等并发症发生率相比,差异无统计学意义(P>0.05)。结论:二氧化锆全瓷冠用于前牙修复中具有良好效果,在改善美学效果、咀嚼能力及炎症反应上更具优势。

Objective:To analyze the aesthetic effect of all-ceramic zirconia crowns in anterior teeth restoration and the influence on gingival sulcus inflammatory response.Methods:A total of 84 patients(176 teeth)who underwent anterior teeth restoration in the hospital from November 2019 to November 2021 were selected as the study subjects.According to the treatment method,the subjects were assigned to the observation group(42 cases,92 teeth)and the control group(42 cases,84 teeth).The control group was treated with gold alloy porcelain fused metal crowns,while the observation group was treated with all-ceramic zirconia crowns.Aesthetic effects(margin fitness,color of the restorations,anatomical shape,fracture of the restorations,and gingival condition)in the two groups were evaluated according to the standards developed by California Dental Association.Masticatory efficiencies in the two groups before restoration and 2 months after restoration was calculated.Inflammatory factors,such as tumor necrosis factor-α(TNF-α),interleukin-6(IL-6),and C-reactive protein(CRP)levels in the gingival crevicular fluid were measured by enzyme-linked immunosorbent assay.The curative effect and the incidence of complications were evaluated.Results:After restoration,the aesthetic effect in the observation group was significantly better than that in the control group(P<0.05).There were no statistically significant differences in mastication efficiency and TNF-α,IL-6,and CRP levels in gingival crevicular fluid between the groups before restoration(P>0.05).After restoration,all of these indicators increased(P<0.05).The masticatory efficiency of the observation group was higher than that of the control group(P<0.05).TNF-α,IL-6,and CRP levels in the gingival crevicular fluid were lower than in the control group(P<0.05).The total effective rate in the observation group was significantly higher than that in the control group(P<0.05).There was no statistically significant difference in the incidence of complications between the groups(P>0.05).Conclusion:All-ceramic zirconia crowns can achieve good effects in anterior teeth restoration,with advantages in improving aesthetic effect,masticatory ability,and inflammatory reaction.