Effect of repeated ultrasonic instrumentation on single-unit crowns: a laboratory study.
Florin EggmannFabio SchiavoneJulia AmatoAnnika VahleRoland WeigerNicola U ZitzmannPublished in: Clinical oral investigations (2021)
Frequent ultrasonic instrumentation of restoration margins of fixed dental prostheses, PFM crowns in particular, ought to be avoided.
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