Expanded use of the ultrasonic scaler

Gaffney, Joseph L.; Lehman, Joseph W.; Miles, Michael J.

doi:10.1016/s0099-2399(81)80180-x

Cited by 64 publications

(26 citation statements)

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“…Tukey critical value = 0.73135. alternative technique for removal, either alone or in combination with other techniques (9)(10)(11)(12)14). The development of improved procedures for currently used techniques is as important as the development of new techniques.…”

Section: Discussionmentioning

confidence: 99%

“…Several authors (9)(10)(11)(12) have suggested the use of ultrasound alone or in combination with other techniques to make this procedure safer. Ultrasound is a mechanical form of energy: high-intensity ultrasonic vibrations are generated in the ultrasound unit and transferred to the metal post to break the cement layer between the post and the canal wall.…”

Section: Introductionmentioning

confidence: 99%

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Efficacy of ultrasound in removal of intraradicular posts using different techniques

et al. 2005

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The efficacy of ultrasound in removing cast metal posts was evaluated in this in vitro study using one or two ultrasound units and ultrasonic vibration for various lengths of time. The crowns of 30 healthy maxillary canines were removed, the roots were embedded in acrylic resin blocks, and the root canals were treated endodontically. The canals were prepared and their impressions were taken with self-curing acrylic resin. After casting with copper-aluminum alloy, the posts were blasted with aluminum oxide and cemented with Panavia F resin cement. The specimens were divided into five groups. In groups I and II, only one ultrasound unit was used for 30 and 60 s, respectively; in groups III and IV, two ultrasound units were used simultaneously for 30 and 60 s, respectively; in group V, ultrasound was not used (control). Ultrasonic vibrations were applied with an Enac OE-5 ultrasound unit and an ST-09 tip. All samples were subjected to traction on an Instron machine (model 4444) at a crosshead speed of 1 mm/min. Analysis of the results revealed a statistically significant difference between the groups (ANOVA, P < 0.01); however the difference between groups II and IV was not statistically significant. The efficacy of ultrasound in removing intraradicular posts was confirmed, and the most effective technique was the use of two ultrasound units, independent of the length of time ultrasound was applied. (J. Oral Sci. 47, [117][118][119][120][121] 2005)

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Efficacy of ultrasound in removal of intraradicular posts using different techniques

et al. 2005

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“…In more recent times, specialized devices and techniques have been introduced specifically to remove fractured instruments (151 (155), and ultrasonic devices (156 -159) have all shown limitations. The problems associated with these devices include excessive removal of root canal dentin, ledging, perforation, limited application in narrow and curved roots, and extrusion of the fractured portion through the apex (150,156,158,160). However, the incorporation of the operating microscope into procedures for removal of fractured instruments has considerably improved the chances of removal, as have fine ultrasonic tips and other innovations such as staging platforms (14,15,161) and the Instrument Removal System (iRS) (162).…”

Section: Techniques For Removalmentioning

confidence: 99%

Rotary NiTi Instrument Fracture and its Consequences

Parashos

Messer

2006

Journal of Endodontics

469

406

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“…The use of ultrasonics in endodontics has become more popular over the years and has expanded to multiple applications. Some of the common applications include access refinement, locating calcified canals, removal of pulp stones (5,6), removal of intracanal obstructions (7,8), increasing efficacy of irrigating solutions (9,10), retrograde preparations (11), and root canal preparations (3).…”

mentioning

confidence: 99%