Radiopacity of 9 Clear Resin Cements and Zinc Phosphate Cement
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Abstract
The aim of this study was to compare radiopacity value of 9 clear resin cements and zinc phosphate cement. Ten group of specimens were divided by commercial brand. Disc specimens (diameter: 6 mm and thickness: 1 mm) were fabricated by manufacturer’s instruction (n=10). The samples and aluminum step wedge used as standard for radiologic analysis were placed on X-ray sensor. They were digitally radiographed together and the digital radiographic images were then analyzed with ImageJ program. The relationship between the gray value for each specimen and the aluminium step wedge thickness were plotted and transferred. The data were analyzed by One-way ANOVA and Tukey’s post-hoc test at p<0.05. Zinc phosphate cement showed the highest radiopacity value among 10 dental cement groups. For the resin cements, Nexus 3 demonstrated the highest radiopacity value followed by Variolink® Esthetic LC which was no statistically significant difference to Variolink® Esthetic DC, Panavia V5 and Panavia SA luting. Moreover, Rely™ X Veneer was the lowest radiopacity value but it was no statistically significant difference to Rely™ X Ultimate Clicker. However, Superbond C&B and Temp-Bond Clear showed radiolucent. In conclusion, there were statistically significant among 10 groups of cement in which zinc phosphate cement showed the highest radiopacity value.
Article Details
บทความ ข้อมูล เนื้อหา รูปภาพ ฯลฯ ที่ได้รับการลงตีพิมพ์ในวิทยาสารทันตแพทยศาสตร์ มหาวิทยาลัยขอนแก่นถือเป็นลิขสิทธิ์เฉพาะของคณะทันตแพทยศาสตร์ มหาวิทยาลัยขอนแก่น หากบุคคลหรือหน่วยงานใดต้องการนำทั้งหมดหรือส่วนหนึ่งส่วนใดไปเผยแพร่ต่อหรือเพื่อกระทำการใด ๆ จะต้องได้รับอนุญาตเป็นลายลักษณ์อักษร จากคณะทันตแพทยศาสตร์ มหาวิทยาลัยขอนแก่นก่อนเท่านั้น
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