electronically powered instrumentation

e·lec·tron·ic·al·ly pow·er·ed in·stru·men·ta·tion

(ĕ-lek-tronik-lē powĕrd instrŭ-men-tāshŭn)
Use of devices involving rapid energy vibrations to detach calculus from the tooth surface and clean the environment of the periodontal pocket.
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