Abstract
To investigate the effect of hemostatic agent on bonding strength of deciduous tooth dentin. Forty deciduous molars were used to make dentin grinding model and randomly divided into observation group and control group, 20 teeth in each group. Teeth in the observation group were covered with hemostatic agent for 30s, and then washed, followed by processing; while teeth in the control group were subjected to bonding directly. Micro tensile bond strength and micro leakage were measured and compared in the two groups. SPSS19.0 software package was used to analyze the data. Micro tensile bond strength of the observation group was (12.84±2.10) MPa, significantly lower than that of the control group (P<0.05); most resin protrusion in the observation group was > 35 μm and long and dense, extending into the open dentinal tubules; while resin protrusion in the control group was about 7 to 35 μm, with obvious collateral communication. There was no significant difference in the degree of micro leakage between the two groups (P>0.05). Hemostatic agent has certain impact on the dentin bonding strength of deciduous tooth, special attention should be paid during clinical application.
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Schedule a callMore From: Shanghai kou qiang yi xue = Shanghai journal of stomatology
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