Milani Shabnam, Seraj Bahman, Heidari Alireza, Mirdamadi Atousa, Shahrabi Mahdi
Resident, Department of Pedodontics, Dentistry School of Tehran University of Medical Sciences, Tehran, Islamic Republic of Iran.
Associate Professor, Department of Pedodontics, Dentistry School of Tehran University of Medical Sciences, Tehran, Islamic Republic of Iran.
Int J Clin Pediatr Dent. 2017 Apr-Jun;10(2):115-118. doi: 10.5005/jp-journals-10005-1419. Epub 2017 Jun 1.
The aim of this study is to compare the coronal microleakage of three common temporary restorative materials, namely Coltosol, Compoglass, and Zonalin, used in pediatric dentistry after endodontic treatment at different time intervals (1 week, 1, and 2 months) using dye penetration.
Access cavities were prepared in 72 intact extracted premolar teeth. The samples were divided into three groups (n = 24) and filled with Coltosol, Compoglass, or Zonalin. After thermal cycling for 500 cycles (5-55°C), the teeth were immersed in 1% methylene blue dye at 37°C for 1 week (n = 8), 1 month (n = 8), and 2 months (n = 8). The samples were sectioned buccolingually, and the linear depth of dye penetration was measured using a stereomicroscope at 16 × magnification. The data were analyzed using Kruskal-Wallis test.
There were no significant differences in the micro-leakage values of Coltosol and Zonalin or Zonalin and Com-poglass groups at 1 week (p > 0.05) or 1 month (p > 0.05) intervals, but a significant difference was noted between Coltosol and Compoglass groups (p < 0.01); Coltosol provided a more favorable coronal seal. No significant difference was found among the experimental groups at the 2-month interval (p > 0.05).
At 1 week or 1 month of use, Coltosol showed better coronal seal. At 2 months, there was no significant difference apparent between the groups. A longer time lapse was associated with an increased likelihood of microleakage.
Milani S, Seraj B, Heidari A, Mirdamadi A, Shahrabi M. Coronal Sealing Capacity of Temporary Restorative Materials in Pediatric Dentistry: A Comparative Study. Int J Clin Pediatr Dent 2017;10(2):115-118.
本研究旨在通过染料渗透法，比较三种常见的临时修复材料（即Coltosol、Compoglass和Zonalin）在不同时间间隔（1周、1个月和2个月）用于儿童牙髓治疗后牙冠微渗漏情况。
在72颗完整拔除的前磨牙上制备进入洞。将样本分为三组（n = 24），分别用Coltosol、Compoglass或Zonalin充填。经过500次热循环（5 - 55°C）后，将牙齿在37°C下浸入1%亚甲蓝染料中1周（n = 8）、1个月（n = 8）和2个月（n = 8）。样本沿颊舌向切片，使用16倍放大率的体视显微镜测量染料渗透的线性深度。数据采用Kruskal - Wallis检验进行分析。
Coltosol与Zonalin组或Zonalin与Compoglass组在1周（p > 0.05）或1个月（p > 0.05）间隔时微渗漏值无显著差异，但Coltosol与Compoglass组之间存在显著差异（p < 0.01）；Coltosol提供了更良好的牙冠封闭。在2个月间隔时，实验组之间未发现显著差异（p > 0.05）。
使用1周或1个月时，Coltosol显示出更好的牙冠封闭效果。在2个月时，各组之间无明显显著差异。时间间隔越长，微渗漏的可能性越大。
Milani S, Seraj B, Heidari A, Mirdamadi A, Shahrabi M. 儿童牙科临时修复材料的牙冠封闭能力：一项比较研究。《国际临床儿科牙科杂志》2017；10(2):115 - 118。
