单件式或适配器耦合超声插入器使用时牙结构和插入物的热分布分析:体外实验研究。

IF 1.5
Restorative Dentistry & Endodontics Pub Date : 2025-08-01 Epub Date: 2025-07-11 DOI:10.5395/rde.2025.50.e24
Gabriela Loewen Brotto, Bruno Monguilhott Crozeta, Bruno Marques-da-Silva, Alysson Nunes Diógenes, Emmanuel João Nogueira Leal da Silva, Flávia Sens Fagundes Tomazinho
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引用次数: 0

摘要

目的:本体外研究旨在评估超声植入体与适配器耦合植入体在下颌磨牙外表面和内部的温度变化。方法:将24颗拔除的人下颌磨牙按使用的超声嵌体类型分为接头耦合嵌体组和一体式嵌体组。每个牙齿外表面的温度用放置在分叉区域的热电偶探头测量,连续捕获数据。利用热成像仪实时监测超声插入物的温度。测量是在没有冷却的受控环境中进行的,持续时间超过120秒。采用重复测量的方差分析(ANOVA)和双向方差分析(two-way ANOVA)进行统计分析,评估组间和时间间的温度变化,显著性设为5%。结果:两组外牙表面温度测量值在初始15秒(p = 0.185)和30秒(p = 0.067)无显著差异。然而,在60秒(p = 0.025), 90秒(p = 0.024)和120秒(p = 0.020)时出现了显著差异,一体式插入组在分叉区域显示出更高的温度。插入物的热成像在所有时间点显示出显著差异(p < 0.001),适配器耦合插入物显示出更大的加热。结论:超声植入物的使用导致外牙表面温度逐渐升高。一体式镶齿在齿上产生更高的温度,而适配器耦合镶齿在镶齿内部产生更大的加热。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Analysis of thermal profiles on tooth structure and insert during one-piece or adapter-coupled ultrasonic insert use: an in vitro experimental study.

Analysis of thermal profiles on tooth structure and insert during one-piece or adapter-coupled ultrasonic insert use: an in vitro experimental study.

Analysis of thermal profiles on tooth structure and insert during one-piece or adapter-coupled ultrasonic insert use: an in vitro experimental study.

Objectives: This in vitro study aimed to evaluate temperature variation on the external surface of mandibular molars and within ultrasonic inserts when using adapter-coupled versus one-piece inserts.

Methods: Twenty-four extracted human mandibular molars were divided into two groups based on the type of ultrasonic insert used: adapter-coupled and one-piece inserts. Temperature on the external surface of each tooth was measured with a thermocouple probe positioned in the furcation area, capturing data continuously. The temperature of the ultrasonic inserts was monitored in real-time using a thermal imaging camera. Measurements were taken in a controlled environment without cooling for over 120 seconds. Statistical analysis was conducted using analysis of variance (ANOVA) and two-way ANOVA with repeated measures to evaluate temperature variations between groups and over time, with significance set at 5%.

Results: In the external tooth surface temperature measurements, no significant differences were observed between the groups during the initial 15 seconds (p = 0.185) and 30 seconds (p = 0.067). However, significant differences emerged at 60 seconds (p = 0.025), 90 seconds (p = 0.024), and 120 seconds (p = 0.020), with the one-piece insert group demonstrating higher temperatures in the furcation region. Thermal imaging of the inserts revealed a significant difference at all time points (p < 0.001), with adapter-coupled inserts showing greater heating.

Conclusions: The use of ultrasonic inserts leads to a gradual rise in temperature on the external tooth surface. One-piece inserts generated higher temperatures on the tooth, while adapter-coupled inserts exhibited greater heating within the insert.

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来源期刊
CiteScore
0.20
自引率
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35
审稿时长
12 weeks
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