3D打印与带模铸造法制作的可摘局部义齿对患者主观感受的影响

doi:10.19439/j.sjos.2022.03.014

摘要/Abstract

摘要： 目的: 比较3D打印与带模铸造法制作的可摘局部义齿对患者主观感受的影响。方法: 选择上海市口腔医院修复科门诊欲行可摘局部义齿修复的上颌Kennedy牙列缺损分类一类二亚类的牙列缺损患者80例,随机分为2组,分别按照3D打印法和带模铸造法制作可摘局部义齿。患者义齿完成初戴1周后复诊,观察记录患者口内黏膜压痛点的数量与部位,同时采用吸光度法进行咀嚼效率测定。义齿初戴完成2个月后,嘱患者复诊并发放调查问卷,分别对其主观感受及满意度进行调查。主观感受包括咀嚼效率、方便程度、固位效果、语言功能恢复、舒适程度、面容修复等6个方面。满意度评价包括治疗周期、治疗费用及治疗效果3个方面。采用SPSS 17.0软件包对结果进行统计学分析。结果: 在压痛点计数上,3D打印组少于带模铸造法组,而咀嚼效率则高于带模铸造法组,差别均有统计学意义(P<0.05);在主观感受及满意度方面,3D打印组高于带模铸造法组,差别有统计学意义(P<0.05)。结论: 3D打印法制作的可摘局部义齿在提高义齿的精度及患者使用舒适度方面具有一定优势。

关键词: 可摘局部义齿, 咀嚼效率, 3D打印, 主观感受测定

Abstract: PURPOSE: To compare the different effects of removable dentures made by 3D printing and traditional casting methods on patients' subjective feelings. METHODS: A total of 80 patients with dentition defects of Ken’s Class Ⅰ and Subclass Ⅱ were selected from the Department of Prosthodontics. The patients were randomly divided into 2 groups, with removable dentures made by using 3D printing and plaster casting method, respectively. The patients were asked to re-visit 1 week after wearing the dentures to observe and record intraoral mucosal tenderness points. At the same time, mastication efficiency was measured by absorbance method. The patients were followed up for 2 months after wearing dentures, and questionnaires were issued to them to investigate subjective feelings and satisfaction. The subjective feelings of patients included masticatory ability, retention effect, convenience, comfort, speech function and facial appearance. Satisfaction evaluation included three aspects: treatment duration, cost and final outcome. Each aspect of evaluation used a 5-point system, with a minimum score of 1 and a maximum score of 5. The higher the score, the better the patient's subjective feelings or the higher the satisfaction. The data were statistically analyzed with SPSS 17.0 software package. RESULTS: The tender points in 3D printing group was less than the plaster casting group, while the chewing efficiency of 3D printing group was higher than the plaster casting group, the difference was statistically significant (P<0.05). The difference of subjective feeling and satisfaction was also significant between the two groups(P<0.05). CONCLUSIONS: 3D printing to make removable denture has certain advantages in improving the accuracy of removable denture and the comfort of patients.

Key words: Removable denture, Chewing efficiency, 3D printing technology, Subjective feeling measurement

中图分类号:

783.6

叶荣荣, 钟群, 王珏, 包向军, 龚志成, 贾爽. 3D打印与带模铸造法制作的可摘局部义齿对患者主观感受的影响[J]. 上海口腔医学, 2022, 31(3): 295-299.

YE Rong-rong, ZHONG Qun, WANG Jue, BAO Xiang-jun, GONG Zhi-cheng, JIA Shuang. Comparison of the effects of removable dentures made by 3D printing and traditional casting methods on patients' subjective feelings[J]. Shanghai Journal of Stomatology, 2022, 31(3): 295-299.

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