HIGHLIGHTS
- who: Periodontics et al. from the Professor, Discipline of Periodontics, Gama Filho University*** Professor, Master`s Degree Program in Periodontology, Lutheran University of Brazil. have published the research work: POB 19-1.indb, in the Journal: (JOURNAL)
- what: This study compared the clinical effects of hand or ultrasonic scaling and root planing on the treatment of chronic periodontitis.
SUMMARY
Different methodologies have been used to compare the effects of hand and ultrasonic instrumentation. In vitro studies have shown that hand instrumentation tends to result in smoother root surfaces than ultrasonic instrumentation . . .

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