Effect of Powder to Liquid Ratio on the Push Out Bond Strength of Biodentine TM
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Abstract
The objective of this study was to determine the effect of different powder-to-liquid ratio on the push out bond strength of BiodentineTM (BD). The methods used in this study were as follows: 32 single root permanent human teeth were open access with round diamond burs and prepared root canal with peeso reamer burs no.1-4, respectively. The size of the final diameter of the root canal is 1.4 mm. The prepared root canals were randomly filled with four types of material: MTA BD1:4 BD1:5 and BD1:6. The roots were cut into 3-mm thick sections and 16 samples of each group were randomized and then divided into two groups. The push-out test was performed with a Universal Testing Machine at 24 hours and 28 days after storage in PBS. The results were statistically analyzed using One-way ANOVA and Tukey's HSD test. The results of this study were as follows: at 24 hours, the highest push-out bond strength in BD1:6 that is 17.569 MPa with statistically significant differences. In contrast, at 28 days, the BD1:5 and BD1:4 groups showed a significantly higher push-out bond strength at 15.619 and 14.704 MPa than BD1:6 and MTA that are 10.169 and 10.725 MPa. In conclusion, a different powder-to-liquid ratio affected the push out bond strength of BiodentineTM, and BD1:5 and BD1:4 showed higher push-out bond strength than BD1:6 with a statistically significant difference.
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บทความ ข้อมูล เนื้อหา รูปภาพ ฯลฯ ที่ได้รับการลงตีพิมพ์ในวิทยาสารทันตแพทยศาสตร์ มหาวิทยาลัยขอนแก่นถือเป็นลิขสิทธิ์เฉพาะของคณะทันตแพทยศาสตร์ มหาวิทยาลัยขอนแก่น หากบุคคลหรือหน่วยงานใดต้องการนำทั้งหมดหรือส่วนหนึ่งส่วนใดไปเผยแพร่ต่อหรือเพื่อกระทำการใด ๆ จะต้องได้รับอนุญาตเป็นลายลักษณ์อักษร จากคณะทันตแพทยศาสตร์ มหาวิทยาลัยขอนแก่นก่อนเท่านั้น
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