新型藻酸盐印模消毒流程对模型精度的影响

doi:10.19439/j.sjos.2023.05.001

上海口腔医学 ›› 2023, Vol. 32 ›› Issue (5): 449-454.doi: 10.19439/j.sjos.2023.05.001

新型藻酸盐印模消毒流程对模型精度的影响

张佳园^1,2,*, 于德栋^1,*, 叶丽娟¹, 邬春兰^1#, 刘晶^1#

1.上海交通大学医学院附属第九人民医院口腔第二门诊部,上海交通大学口腔医学院,国家口腔医学中心,国家口腔疾病临床医学研究中心,上海市口腔医学重点实验室,上海市口腔医学研究所,上海 201999;
2.杭州医学院存济口腔医学院,杭州医学院附属口腔医院,浙江杭州 310012

收稿日期:2022-11-18 修回日期:2023-03-21 出版日期:2023-10-25 发布日期:2023-11-03
通讯作者: 邬春兰,E-mail:yudedong@sjtu.edu.cn;刘晶,E-mail: lj3232475@163.com。^#共同通信作者
作者简介:张佳园（1996-）,女,在读硕士研究生,E-mail：zjyhangzhou2022@163.com;于德栋（1983-）,男,博士,副主任医师,E-mail：yudedong@sjtu.edu.cn。^*并列第一作者
基金资助:
国家自然科学基金（52175422,32101094）; 上海市卫生健康委员会卫生行业临床研究专项（202240194）; 上海交通大学医学院附属第九人民医院“交叉”研究基金项目（JYJC202114）

Study on the effect of alginate impression spray disinfection process on model accuracy

ZHANG Jia-yuan^1,2, YU De-dong¹, YE Li-juan¹, WU Chun-lan¹, LIU Jing¹

1. Department of 2nd Dental Center, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine; College of Stomatology, Shanghai Jiao Tong University; National Center for Stomatology; National Clinical Research Center for Oral Diseases; Shanghai Key Laboratory of Stomatology; Shanghai Research Institute of Stomatology. Shanghai 201999;
2. Hangzhou Medical College, Cunji College of Stomatology Affiliated Stomatological Hospital of Hangzhou Medical College. Hangzhou 310012, Zhejiang Province, China

Received:2022-11-18 Revised:2023-03-21 Online:2023-10-25 Published:2023-11-03

摘要/Abstract

摘要： 目的：探讨一种新型口腔印模清洗消毒流程对藻酸盐材料牙科印模精度的影响。方法：选择16名青年志愿者进行藻酸盐口腔印模制取（每人上、下颌2次）及口内扫描数据的获取（每人上、下颌1次）。将每位受试者的2对藻酸盐印模分别编号1组、2组,1组不消毒,2组以新型口腔印模清洗消毒方式和步骤进行处理。对受试者所有口腔印模按照相同标准进行石膏模型灌注,脱模。检查获取的石膏模型,适当修剪调磨后,使用口外扫描仪扫描。经过口外扫描后得到的数字化模型分别与口内扫描参考模型进行配准对比分析,采用均方根（root mean square,RMS）作为评价测试模型与标准模型间偏差的参数。对生成并保存偏差的色谱图进行可视化分析,从多个维度观察模型精度差异。采用SPSS 23.0软件包对数据进行统计学分析。结果：藻酸盐印模的上颌牙列精度RMS有统计学差异,新型口腔印模清洗消毒流程对上颌口腔印模进行消毒组的RMS 显著高于未消毒组（P=0.006）,而下颌消毒组与未消毒组模型精度 RMS无统计学差异(P=0.874)。结论：以中华口腔医学会团体标准推荐的新型口腔印模清洗消毒技术规范对藻酸盐牙科印模材料获得模型精度有一定影响,应进一步完善其流程中的细节内容。

关键词: 口腔印模, 消毒流程, 模型精度, 藻酸盐印模

Abstract: PURPOSE: To investigate the effect of a new cleaning and disinfection process of oral impressions on the accuracy of alginate dental impression. METHODS: Sixteen young volunteers were selected to make alginate oral impression (2 times for each upper and lower jaw) and oral scandata acquisition (1 time for each upper and lower jaw) to obtain STL data. The 2 pairs of alginate impressions of each subject were numbered group 1, group 2, inwhich group 1 was not sterilized and the oral impression film in group 2 was treated with the method and steps of new oral impression cleaning and disinfection. All the oral impressions of the subjects were perfused with plaster models in the same standard way and demoulded. The obtained plaster models were examined and scanned after appropriate trimming and grinding. The plaster model data obtained from each group of each patient after warehouse scanning were compared with the orally scanned model data for alignment analysis, and root mean square(RMS) was used as a parameter to evaluate the deviation between the test model and the standard model. The chromatograms of the deviations were saved for visualization and analysis to observe the differences in model accuracy from several dimensions. Statistical analysis was performed with SPSS 23.0 software package. RESULTS: The differences in RMS of model accuracy of maxillary dental series of alginate impressions were statistically significant, in which the RMS of the group disinfecting the maxillary oral impression film with a new oral impression cleaning and disinfection process was significantly higher than that of the nonsterilized group (P=0.006), while the difference between model accuracy RMS of the mandibular disinfection group and non-disinfection group was not statistically significant(P=0.874). CONCLUSIONS: The new technical specifications for cleaning and disinfection of dental impressions recommended by the Chinese Stomatological Association have certain effects on the accuracy of dental impressions made of alginate material,and the details in its process should be further improved.

Key words: Dental impression, Disinfection process, Model accuracy, Alginate impression

中图分类号:

R783.1

张佳园, 于德栋, 叶丽娟, 邬春兰, 刘晶. 新型藻酸盐印模消毒流程对模型精度的影响[J]. 上海口腔医学, 2023, 32(5): 449-454.

ZHANG Jia-yuan, YU De-dong, YE Li-juan, WU Chun-lan, LIU Jing. Study on the effect of alginate impression spray disinfection process on model accuracy[J]. Shanghai Journal of Stomatology, 2023, 32(5): 449-454.

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新型藻酸盐印模消毒流程对模型精度的影响

Study on the effect of alginate impression spray disinfection process on model accuracy

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