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Scaler Inserts (scaler + insert)

Distribution by Scientific Domains

Medical Sciences	100%

Selected Abstracts

Subgingival polishing with a teflon-coated sonic scaler insert in comparison to conventional instruments as assessed on extracted teeth

JOURNAL OF CLINICAL PERIODONTOLOGY, Issue 8 2001
(II). Subgingival roughness
Abstract Aim: To assess the root surface roughness and topography on extracted teeth using different instruments. Material and Methods: In the present study, laser profilometry was used to examine the 3-D roughness values Ra and Rz and topography of root surfaces of periodontally-involved teeth instrumented in vivo with curette, conventional ultrasonic device, conventional or teflon-coated sonic scaler insert, or the Periotor instrument (12 teeth per instrument type), and compare these with uninstrumented cementum surfaces. Results: The roughness values Ra and Rz of the roots treated with the different instruments showed a similar pattern: curettes and the Periotor instrument produced the smoothest surfaces (Ra about 1.5 ,m, Rz 30 ,m); the 4 other instruments created similar Ra values of approximately 2,3 ,m and Rz roughness of about 50,70 ,m, which equals the untreated root surface. For Ra, the difference between the curette or the Periotor instrument and the teflon-coated sonic insert or ultrasonic insert was significant, and for Rz, a significant difference was found between the curette or the Periotor instrument and ultrasonic insert. As opposed to surfaces debrided with the Periotor and teflon-coated sonic scaler, it appears that hand instruments markedly reconfigure surfaces. Conclusion: The lowest root-surface roughness values were obtained with hand instruments. The teflon tubing on the sonic scaler insert effected no change of topography or roughness as compared to uninstrumented, control surfaces. However, it must be pointed out that hard-tissue removal was not investigated. Zusammenfassung Einführung: Wir wollten die Rauhigkeit und die Topographie der Wurzeloberfläche an extrahierten Zähnen infolge unterschiedlicher Instrumentation einschätzen. Material und Methoden: In der vorliegenden Studie wurde die Laserprofilometrie genutzt, um die 3D Rauhigkeitswerte Ra und Rz sowie die Topographie der Wurzeloberfläche von parodontal erkrankten Zähnen, die in vivo mit Küretten, konventionellen Ultraschallgeräten, konventionellen oder mit Teflon beschichteten Schallscalereinsätzen oder mit dem Periotorgerät (12 Zähne pro Instrumentenart) bearbeitet worden waren, zu überprüfen und dies mit unbehandelten Zementoberflächen zu vergleichen. Ergebnisse: Die Rauhigkeitswerte Ra und Rz der Wurzeln, die mit verschiedenen Instrumenten behandelt worden waren, zeigten ein ähnliches Muster: Küretten und das Periotorinstrument erbrachten die glattesten Oberflächen (Ra ungefähr 1.5 ,m, Rz 30 ,m); die 4 anderen Instrumente schufen gleiche Ra-Werte von ungefähr 2,3 ,m und Rz-Rauhigkeit von ungefähr 50,70 ,m, was den unbehandelten Wurzeloberflächen glich. Für Ra war die Differenz zwischen Kürette oder Periotorinstrument und mit Teflon beschichteten Schalleinsätzen oder Ultraschalleinsätzen signifikant, und für Rz wurde eine signifikante Differenz zwischen der Kürette oder dem Periotorinstrument und dem Ultraschalleinsatz gefunden. Im Gegensatz zu Oberflächen, die mit Periotor und mit Teflon beschichteten Schallscalern bearbeitet wurden, scheint es, daß Handinstrumente die Oberflächen deutlich rekonfigurieren. Schlußfolgerung: Die geringsten Wurzeloberflächenrauhigkeitwerte wurden mit Handinstrumenten erzielt. Die Teflonröhrchen auf den Schallscalereinsätzen erbrachten keine Veränderungen der Topographie oder der Rauhigkeit im Vergleich zu unbehandelten Kontrolloberflächen. Jedoch muß ausgeführt werden, daß die Entfernung des Hartgewebes nicht untersucht wurde. Résumé Nous voulions mettre en évidence la rugosité de la surface radiculaire et sa topographie sur des dents extraites à la suite de polissage avec différents instruments. Dans cette étude, la profilométrie par laser a été utilisée pour examiner les valeurs Ra et Rz de rugosité tridimensionnelle et la topographie des surfaces radiculaires de dents atteintes de maladies parodontales instrumentées in vivo à l'aide de curettes, d'un appareil ultrasonique conventionnel, d'insert de détargrage sonique recouvert de téflon ou du Periotor (12 dents par type d'instrument) et de les comparer avec les valeurs des surfaces cémentaires non-instrumentées. Les valeurs Ra et Rz de rugosité des racines traitées avec les différents instruments montraient des caractéristiques similaires: les curettes et le Periotor produisait les surfaces les plus lisses (Ra environ 1.5 ,m, Rz 30 ,m); les 4 autres instruments donnaient des valeurs Ra de 2,3 ,m approximativement et une rugosité Rz d'environ 50,70 ,m, équilavent aux surfaces non traitées. Pour Ra, la différence entre les curettes ou le Periotor et les inserts soniques recouverts de téflon ou l'insert ultrasonique étaient significatifs, et pour Rz, une différence significative apparaissait entre les curettes ou le priotor et les inserts ultrasoniques. Contrairement aux surfaces débridées avec le periotor et le détartreur sonique recouvert de téflon, il apparaissait que les instruments manuels reconfiguraient la surface remarquablement. Les valeurs les plus basses de rugosité de la surface radiculaire étaient obtenues avec les instruments à mains. Le revètement de téflon sur l'insert sonique n'entrainait pas de modifications de topographie ni de rugosité par rapport au surfaces controles non-instrumentées. Cependant, il faut signaller que l'élimination des tissus durs n'a pas étéétudiée. [source]

The comparison of the effects of three types of piezoelectric ultrasonic tips and air polishing system on the filling materials: an in vitro study

INTERNATIONAL JOURNAL OF DENTAL HYGIENE, Issue 4 2007
T Arabaci
Abstract:, Aim:, The aim of this study was to evaluate the effect of air polishing and different ultrasonic scaler inserts on dental fillings, such as amalgam, composite and porcelain. Materials and methods:, This study was performed on amalgam, composite and porcelain samples. The surfaces of the samples were exposed to different type of piezoelectric ultrasonic scaler inserts and air-abrasive unit. The scaler inserts were Instrument A, Instrument PS and PI. The roughness of the surfaces of each sample were measured with a profilometer and observed by stereomicroscope. Results:, The stereomicroscopic images and profilometric values showed that Instrument A and PS resulted in rough surfaces, such as chips, nicks and scratches on the amalgam, composite and porcelain surfaces. The Instrument PI roughened the amalgam surface, but it did not roughen the porcelain or composite surfaces. The profilometric measurements (Ra) showed that the roughness of the surfaces depending on air polishing was less than the ultrasonically scaled surfaces. Conclusion:, The wrong tip applications during dental scaling procedure cause roughness, such as scratches, nicks or chips, not only on the teeth surfaces but also on the filling materials. Thus, dental scaling procedure on the restorations should be performed carefully and the roughness sites on the restorations have to be re-polished after scaling to prevent plaque accumulation. [source]

Substance loss caused by scaling with different sonic scaler inserts , an in vitro study

JOURNAL OF CLINICAL PERIODONTOLOGY, Issue 1 2001
Thomas Kocher
Abstract Background, aims: Depending on the phase of periodontal treatment, power-driven inserts with different power levels are necessary: during initial treatment and flap operations, it must be possible to remove calculus which firmly adheres to the root surface with great efficiency; in contrast, gentle root-surface instrumentation has a high priority during maintenance treatment. Recently, modified sonic scaler inserts have been introduced: diamond-coated inserts for open flap operations and slim probe-shaped sonic scaler inserts for deplaqueing during maintenance. Method: We compared the substance removal by these inserts to that of a conventional insert. In a bench system which allows application force, stroke height, and width and frequency of instrumentation to be monitored and also permits assessment of the topography before and after instrumentation (yielding depth removal and removed volume), we instrumented aluminum rods in triplicate and bovine roots in a 5-fold repetition. Results: With high application forces (1.0 N), the diamond-coated inserts removed 30 to 50% more substance than the conventional one. Except for the slim inserts, there was a significant linear relationship between increasing force and removed volume. Probe-shaped inserts do not remove considerable substance even with increasing pressures. Conclusions: Diamond-coated inserts remove tooth substance very effectively and must thus be handled with care: more pressure effects more removal. Probe-shaped inserts can be used without risk during maintenance visits. [source]