In vitro study shows ultrasonic activation enhances bond strength in dentin, suggesting better obturation techniques.
Ultrasonic activation was found to enhance the bond strength of certain sealers in different regions of the teeth, with a notable increase observed, particularly in the apical third, for most of the evaluated sealers. The results suggest that the use of ultrasonic activation may improve bonding performance depending on the sealer. These findings may have clinical implications for optimizing root canal obturation techniques.
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Aynur et al. (2026) studied this question.
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