在四个间隔记录材料中对时间依赖的线性维度变化进行体外评估
Vandana Rai1, Mohammed Aleemuddin2, Kanimozhi Kulasekaran3
1Prosthodontics, Crown and Bridge, Sree Balaji Dental College and Hospital, Chennai, IND.
Cureus
|September 12, 2025
概括
聚化材料为闭塞记录提供了卓越的维度准确性和稳定性. 尽量减少记录后的存储时间对于可靠的假牙结果至关重要.
科学领域:
- 牙科材料科学 牙科材料科学
- 牙修复 牙修复 牙修复 牙修复 牙修复
- 生物材料工程 生物材料工程
背景情况:
- 准确的闭合记录是成功修复假牙的基础.
- 间隔记录材料的尺寸稳定性对于防止最终假肢的不准确性至关重要.
- 之前的研究表明,不同类型的打印材料的尺寸稳定性有所变化.
研究的目的:
- 为了比较四种间隔记录材料的线性维度和重量变化:聚乙烯 (Ramitec),两种聚乙烯基变体 (O-Bite,Jet Bite) 和二甲烯酸盐 (LuxaBite).
- 评估这些材料在长时间内保持准确的闭塞记录 (1小时,24小时,1周) 中的有效性.
主要方法:
- 准备了每种材料的20个样本,并进行了500克的重量测试.
- 用立体显微镜测量尺寸变化.
- 体重变化使用电子秤在1小时,24小时和1周间隔进行评估.
- 统计分析包括单向ANOVA和重复测量ANOVA.
主要成果:
- 聚烯 (喷气咬伤) 呈现出最高的维度稳定性,变化最小 (0.49%在1小时内,0.52%在24小时内,0.50%在1周内).
- 另一种聚烯 (O-Bite) 显示出更高的维度变化 (1.13%在1小时内,1.51%在24小时内,1.50%在1周内).
- 聚乙烯 (Ramitec) 具有显著的初始变化 (1小时后为3%),而二甲烯酸 (LuxaBite) 则显示出与聚合和体重减轻相关的膨胀和收缩.
结论:
- 在测试材料中,聚乙烯氧化材料表现出卓越的尺寸精度和稳定性.
- 记录后及时安装件显著提高了准确性,强调了尽量减少存储时间的重要性.
- 在所有材料中,体重变化和尺寸变化之间存在强烈的相关性,这影响了临床可靠性.
关键词:
咬伤注册 咬伤注册 咬伤注册双甲烯酸二甲酸盐是什么意思弹性体的弹性体是什么印记材料是一个印象材料.间隔的记录 间隔的记录线性维度变化的变化.口腔和面假肢口腔和面假肢.口腔康复口腔康复聚乙聚乙的使用方法聚乙烯氧化 (PVC) 是一种聚乙烯氧化.更多相关视频
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