Influence of Parameters on Root Surface Roughness Following Treatment With a Magnetostrictive Ultrasonic Scaler: An In Vitro Study

Background: This in vitro study aimed to evaluate the influence of different parameters, i.e., lateral force, instrument power setting, and the shape of the working tip, on the roughness of root surfaces following treatment with a magnetostrictive ultrasonic scaling device. Methods: The study sample...

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Bibliographic Details
Published in:Journal of periodontology (1970) 2004-09, Vol.75 (9), p.1221-1226
Main Authors: Folwaczny, Matthias, Merkel, Ute, Mehl, Albert, Hickel, Reinhard
Format: Article
Language:English
Subjects:
Analysis of Variance
Curettage - instrumentation
Dental plaque/prevention and control
Dental Scaling - instrumentation
Dentistry
Equipment Design
Humans
Magnetics - instrumentation
scaling/instrumentation
Stress, Mechanical
Surface Properties
Tooth Root - pathology
tooth root/anatomy and histology
Ultrasonic Therapy - instrumentation
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Summary:Background: This in vitro study aimed to evaluate the influence of different parameters, i.e., lateral force, instrument power setting, and the shape of the working tip, on the roughness of root surfaces following treatment with a magnetostrictive ultrasonic scaling device. Methods: The study sample comprised a total of 102 extracted human molars, premolars, canines, and incisors. The samples were randomly divided into 10 equal units of 10 each for treatment with the ultrasonic device at a lateral force of 0.5 N and 2.0 N, low and high instrument power setting, and with a straight and angulated shaped working tip. Twenty samples were treated manually using curets at a lateral force of 0.5 N and 2.0 N. Two samples were left untreated as controls. The mean (Ra) and maximum (Rmax) surface roughness of each sample was recorded. The statistical analysis was performed using analysis of variance (three‐way ANOVA) at a level of significance of 5% (P
ISSN:0022-3492
1943-3670
DOI:10.1902/jop.2004.75.9.1221