铒激光预处理联合纤维强化复合树脂修复牙齿缺损的效果观察
Effect of erbium laser pretreatment combined with fiber-reinforced composite resin in the restoration of tooth defects
目的 观察铒激光预处理联合纤维强化复合树脂修复牙齿缺损的临床效果。 方法 选取2021年1月—2023年12月在安徽医科大学第一附属医院北区就诊的84例后牙深龋患者,采用随机数字表法将患者分为观察组和对照组,各42例、50颗患牙。两组患者均接受铒激光预处理牙齿表面,观察组采用纤维强化复合树脂充填修复,对照组采用3M P60树脂充填修复。随访1年后,比较两组微渗漏程度评分(侧壁、龈壁)、修复效果满意度(表面形态、修复体固定程度、色泽协调性)、牙龈指数(GI)、菌斑指数(PLI)、龈沟出血指数(SBI)、并发症(继发龋、食物嵌塞、根折)总发生率。 结果 观察组侧壁微渗漏程度评分和龈壁微渗漏程度评分均低于对照组(P <0.05)。观察组表面形态、修复体固定程度和色泽协调性的满意度均高于对照组(P <0.05)。观察组治疗前后GI、PLI、SBI的差值均大于对照组(P <0.05)。观察组并发症总发生率低于对照组(P <0.05)。 结论 铒激光预处理联合纤维强化复合树脂修复牙齿缺损效果优于传统树脂修复,可降低微渗漏,提升修复满意度和牙周健康,减少并发症,具有较高的临床应用价值。
Objective To evaluate the clinical efficacy of erbium laser pretreatment combined with fiber-reinforced composite resin in the restoration of tooth defects. Methods A total of 84 patients with deep caries at the First Affiliated Hospital of Anhui Medical University North District from January 2021 to December 2023 were selected. They were divided into the observation group and the control group by the random number table method, with 50 affected teeth from 42 patients in each group. Both groups received erbium laser pretreatment on the tooth surfaces. The observation group was treated with fiber-reinforced composite resin restoration, while the control group received 3M P60 resin restoration. After a one-year follow-up, the two groups were compared in terms of microleakage scores (lateral wall and gingival wall), restoration satisfaction (surface morphology, restoration stability, and color coordination), gingival index (GI), plaque index (PLI), sulcus bleeding index (SBI), and the overall incidence of complications (secondary caries, food impaction, root fracture). Results The observation group showed lower scores for both lateral wall and gingival wall microleakage compared to the control group (P < 0.05). The observation group achieved higher satisfaction levels in all three aspects including surface morphology, restoration stability, and color coordination compared to the control group (P < 0.05). The observation group exhibited greater improvements in GI, PLI, and SBI before and after treatment than those in the control group (P < 0.05). The observation group had a lower overall incidence of complications than the control group (P < 0.05). Conclusion Erbium laser pretreatment combined with fiber-reinforced composite resin restoration demonstrates significantly superior efficacy in repairing tooth defects compared to conventional resin restoration. This approach reduces microleakage, enhances restoration satisfaction and periodontal health, minimizes complications, and holds high clinical application value.
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安徽省自然科学基金(2208085QE136)
合肥市重点研发计划自筹项目(2021ZC219)
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