Effect of ultrasonic instrumentation on causing crack of ceramic fused to metal crowns (In-vitro study)


Abstract in English

Vibration of Ultrasonic has used for scaling and periodontal curettage, it is also has used for metal crown and metal-ceramic crown removal, subsequently, using the tips whether for scaling or removing crown, they will be in direct contact with this crown, This research aimed to evaluate the surface of metal-ceramic crown after exposure to Vibration of Ultrasonic tips.

References used

Arabaci T, Cicek Y, Canakci C. Sonic and ultrasonic scalers in periodontal treatment: a review. International journal of dental hygiene. 2007;5(1):2-12
Pameijer C, Stallard R, Hiep N. Surface characteristics of teeth following periodontal instrumentation: a scanning electron microscope study. Journal of periodontology. 1972;43(10):628-33
Kerry GJ. Roughness of root surfaces after use of ultrasonic instruments and hand curettes. Journal of periodontology. 1967;38(4):340-6

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