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:: Volume 23, Issue 4 (Foll Text in Persian 2011) ::
J Iran Dent Assoc 2011, 23(4): 239-246 Back to browse issues page
Effect of ultrasonic scaler on the microleakage of Cl V tooth colored restorations
Mohammad reza Maleki-Pour , Farzaneh Shirani * 1, Mohammad Ketabi , Hasan Roshan-Talab-Haghani , Dana Tahririan
1- , fshirani48@yahoo.com
Abstract:   (12349 Views)

  Effect of ultrasonic scaler on the microleakage of Cl V tooth colored restorations

  

  Dr. Maleki-Pour MR.,1 Dr. Shirani F.,2 Dr. Ketabi M., 3 Dr. Roshan-Talab-Haghani H., 4 Dr. Tahririan D. 4

  

  1 Assistant Professor, Department of Operative Dentistry , School of Dentistry, Azad University. Khorasgan Branch. Isfahan , Iran. 2 Assistant Professor, Department of Operative Dentistry , School of Dentistry, Isfahan University of Medical Sciences. Isfahan , Iran. 3 Assistant Professor, Department of Periodontics, School of Dentistry, Azad University. Khorasgan Branch. Isfahan , Iran. 4 Dentist .

  

  (Received 23 Jan, 2011 Accepted 31 July, 2011 )

 

  Abstract

  

  Background and Aim : Class V cavities are mostly filled with tooth colored restorations. Microleakage is an important problem with tooth colored restorations. Some studies show that ultrasonic scalers could cause microleakage. The aim of this study was to examine the effects of ultrasonic scaling on three different tooth colored restorations namely, composite resin, glass-ionomer and comboglass.

  Materials and Methods : In this in-vitro study, sixty extracted premolars were randomly divided into three groups of 20 teeth. In all the teeth the same size class V cavity was prepared. First, second and third group teeth were filled with composite, gloss inomer and compoglass, respectively. After thermocycling, half of the teeth in each group were scaled with ultrasonic (test group) whereas, the other half were used as control. Then, all the specimens were kept in 2% fuchsin for dye penetration testing for approximately 24 hours. After sectioning, the specimens' microleakage was quantified with steriomicroscope. The data were analyzed statistically by Kruskal-Wallis analysis and Mann-Whitney U-tests with Bonferroni's correction.

  Results: In the first (composite) and third (compoglass) groups ultrasonic scaling had no effect on microleakage (P>0.05) whereas, in the second group (glass-ionomer) ultrasonic scaling caused more microleakage than the control group. The difference was statistically significant (P<0.001).

  Conclusion : The ultrasonic scaler should be used with caution around class V cavities filled with tooth colored restorations because of the possible microleakage effect .

 Key words: Dental Scaling – Micro leakage – Composite resins – Ultrasonic

  

  Corresponding Author: Dr. Shirani F ., Assistant Professor, Department of Operative Dentistry , School of Dentistry, Isfahan University of Medical Sciences. Isfahan , Iran.

  e.mail: fshirani48@yahoo.com

 

Keywords: Dental Scaling, Micro leakage, Composite resins, Ultrasonic
Full-Text [PDF 252 kb]   (2784 Downloads)    
Type of Study: Research | Subject: Restorative Dentistry
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Maleki-Pour M R, Shirani F, Ketabi M, Roshan-Talab-Haghani H, Tahririan D. Effect of ultrasonic scaler on the microleakage of Cl V tooth colored restorations. J Iran Dent Assoc 2011; 23 (4) :239-246
URL: http://jida.ir/article-1-1151-en.html


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Volume 23, Issue 4 (Foll Text in Persian 2011) Back to browse issues page
Journal of Iranian Dental Association

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