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Evaluation of effect of ultrasonic scaling on surface roughness of four different tooth-colored class V restorations:
Pratima R Shenoi1, Gautam P Badole1, Rajiv T Khode1
1Department of Conservative Dentistry and Endodontics, Vidya Shikshan Prasarak Mandal's Dental College and Research Center, Nagpur, Maharashtra, India.
Aims:
This study evaluated the effect of ultrasonic scaling on surface roughness of four different tooth-colored class V restorations.
Materials And Methods:
Out of 100 human extracted teeth, 20 were randomly selected for each group, marked with the outline of class V cavity. Class V cavities were prepared on facial surface of teeth of all groups except control group. These cavities were then restored with GC 2, GC 9, GC 2 LC, and Filtek Z 250 XT. All the specimens were stored in artificial saliva at 37°C for 1 month. Initial surface roughness values (Ra in μm) of restorations were evaluated with the surface roughness tester. Ultrasonic instrumentation was then carried out for 60 s on the restoration surface and final roughness values were evaluated. Data were analyzed with Paired t-test, One-way ANOVA, Tukey's test.
Results:
Mean Pre-instrumentation surface roughness was highest with GC 2, whereas it was least in case of Filtek Z 250 XT. Mean post-instrumentation surface roughness was highest with GC 2, whereas it is least in case of Filtek Z 250 XT.
Conclusion:
GC 2 LC showed highest and Filtek Z 250 XT showed least susceptibility to ultrasonic scaling.
