Mathew Sebeena, Raju Iswarya R, Sreedev C P, Karthick K, Boopathi T, Deepa N T
Department of Conservative and Endodontics, KSR Institute of Dental Science and Research, Thokkavadi, Tiruchengode, Namakkal, Tamil Nadu, India.
J Pharm Bioallied Sci. 2017 Nov;9(Suppl 1):S197-S200. doi: 10.4103/jpbs.JPBS_156_17.
The aim of this study was to evaluate the push out bond strength after treating the post space with different irrigation procedures.
The study sample comprised of 60 recently extracted premolars. These teeth were placed in 5.25% sodium hypochlorite solution for 5 min and then washed under tap water. De-coronated samples were biomechanically prepared until F3 ProTaper and obturated using AH-Plus and 30# (6%) gutta-percha. The specimens were allowed to set for 24 h and then post space was prepared. The teeth were randomly assigned into three experimental groups based on the treatment technique: Group A - control, Group B - sodium hypochlorite and ethylene diamine tetra acetic acid (EDTA) and Group C - diode laser and EDTA. The samples were sectioned horizontally and push out bond strength was evaluated. The stereomicroscopic examination was done for evaluating the failure mode. One-way ANOVA variance followed by Tukey's test was used for statistical analysis using SPSS software.
Use of diode laser does not enhance the bond strength of fiber post.
Diode laser at a very low pulse can be used as an irrigant adjuvant to vaporize the cement residues. Using diode laser does not enhance the bond strength. EDTA as final irrigant increases the bond strength of fiber post.
本研究旨在评估用不同冲洗方法处理桩道后的推出粘结强度。
研究样本包括60颗近期拔除的前磨牙。将这些牙齿置于5.25%次氯酸钠溶液中5分钟，然后在自来水下冲洗。对去冠后的样本进行生物力学预备，直至F3 ProTaper，并用AH-Plus和30#（6%）牙胶尖进行充填。让标本凝固24小时，然后预备桩道。根据处理技术将牙齿随机分为三个实验组：A组为对照组，B组用次氯酸钠和乙二胺四乙酸（EDTA），C组用二极管激光和EDTA。将样本水平切片并评估推出粘结强度。进行体视显微镜检查以评估失败模式。使用SPSS软件，采用单向方差分析和Tukey检验进行统计分析。
使用二极管激光并不能提高纤维桩的粘结强度。
低脉冲的二极管激光可作为冲洗辅助工具以汽化粘结剂残渣。使用二极管激光并不能提高粘结强度。EDTA作为最终冲洗剂可提高纤维桩的粘结强度。
