PMID: 9552818Jun 1, 1997Paper

Working parameters of a sonic scaler influencing root substance removal in vitro

Clinical Oral Investigations
T F FlemmigB Klaiber

Abstract

This study assessed defect depth and volume resulting from root instrumentation using a KaVo Sonic-flex Lux 2000 L sonic scaler with a slim scaling tip (Perio-Tip no. 8) in vitro. Combinations of the following working parameters were analyzed: lateral forces of 0.5 N, 1 N, and 2 N; tip angulations of 0 degree, 45 degrees, and 90 degrees; and instrumentation time of 10 s, 20 s, 40 s, and 80 s. Defects were quantified using a three-dimensional optical laser scanner. Instrumentation time had an almost linear impact on defect depth and volume. Although lateral force (beta-weight 0.55 +/- 0.062) had a greater influence on defect volume than tip angulation (beta-weight 0.29 +/- 0.062), their effects on defect depth were similar (beta-weight 0.43 +/- 0.052 and 0.50 +/- 0.052, respectively). The combination of force and angulation showed synergistic effects resulting in a wide range of defect depths (21.9 +/- 0.96 microns to 174 +/- 28.8 microns, at 40 s) and volumes (0.056 +/- 0.019 mm3 to 0.68 +/- 0.10 mm3 at 40 s). Severe root damage (> 50 microns/40 s) did not occur at any combination of 0.5 N lateral force and/or 0 degree tip angulation. By adjusting lateral force and tip angulation, the efficacy of the assessed sonic scaler may b...Continue Reading

Citations

Aug 16, 2012·Clinical Oral Investigations·A Damien WalmsleyGareth J Price
Mar 1, 2008·Photomedicine and Laser Surgery·Adriana C de MendonçaPoliana M Duarte
Dec 29, 2000·Journal of Periodontology·C L DriskoUNKNOWN Research, Science and Therapy Committee of the American Accademy of Periodontology
Apr 25, 2003·Journal of Periodontology·Gregor J PetersilkaThomas F Flemmig
Jun 2, 2007·Journal of Periodontology·Thomas F FlemmigGregor Petersilka
Jul 16, 2014·The Journal of Oral Implantology·Cassiano Costa Silva PereiraRoberta Okamoto
Jan 6, 2001·Journal of Clinical Periodontology·T KocherR Litz
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Apr 16, 2003·Journal of Clinical Periodontology·G J PetersilkaT F Flemmig
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