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Influence of the power level of an ultra-sonic system on dental cavity preparation
Universidade Estadual Paulista (UNESP)
  • 1806-8324
  • 1807-3107
The aim of this study was to evaluate the shape of dental cavities made with the CVDentus® system using different ultrasound power levels. One standard cavity was made on the buccal aspect of 15 bovine incisors with a CVDentus® cylindrical bur (82142). The sample was divided into three groups: G1 - ultrasound with power II; G2 - ultrasound with power III; and G3 - ultrasound with power IV. A standardizing device was used to obtain standardized preparations and ultrasound was applied during one minute in each dental preparation. The cavities were sectioned in the middle, allowing observation of the cavity's profile with a magnifying glass, and width and depth measurement using the Leica Qwin program. The Kruskal-Wallis (p < 0.05) and Dunn statistical analyses demonstrated differences between the dental cavity shapes when powers III and IV were used. However, the cavities that were made with power III presented dimensions similar to those of the bur used for preparation. We concluded that the power recommended by the manufacturer (III) is the most adequate for use with the CVDentus® system.
Issue Date: 
Brazilian Oral Research, v. 21, n. 4, p. 362-367, 2007.
Time Duration: 
  • Dental cavity preparation
  • Diamond
  • Technology, dental
  • Ultrasonography
  • diamond
  • animal
  • cattle
  • clinical trial
  • controlled clinical trial
  • controlled study
  • dental surgery
  • echography
  • equipment design
  • instrumentation
  • methodology
  • nonparametric test
  • randomized controlled trial
  • surface property
  • tooth pulp
  • ultrasound therapy
  • Animals
  • Cattle
  • Dental Cavity Preparation
  • Dental Pulp Cavity
  • Equipment Design
  • Statistics, Nonparametric
  • Surface Properties
  • Ultrasonic Therapy
Access Rights: 
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Appears in Collections:Artigos, TCCs, Teses e Dissertações da Unesp

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