Comparative evaluation of effect of tooth brushing – mouth rinse – cycling on surface roughness of nanofilled and nanohybrid composites – an in vitro study

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Original Article

Author Details : Swati Madhavrao Wathore, Pratima R. Shenoi, Rajiv T Khode, Rajesh Kubde, Chetana Makade, Snehal Sona

Volume : 1, Issue : 1, Year : 2016

Article Page : 17-21

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Abstract

Aim: To  evaluate influence  of  tooth brushing – mouth rinse  cycling (TMC) on  surface  roughness  of   two  resin  composites (Nanohybrid-Z250 &  Nanofilled-Z350).
Materials  and  Method: 80 disc  shaped  specimen of two composite resins ?Nanofilled – Filtek^TM  Z-350 XT(3M ESPE, U.S.A. Shade A₂); Nanohybrid Filtek^TM Z-250 XT(3M ESPE,U.S.A. Shade A₂? were prepared (each-40) using teflon ring matrix & divided  into 4 groups (n=10) according  to  mouthrinses to which they were subjected: Listerine(Alcoholic), Rexidine Plus (Alcohol free), Betadine Mint (Iodine) & Artificial  saliva (control). Powered toothbrush mounted on standardized jig was used to deliver constant brushing strokes. Specimens were subjected to TMC for four weeks. Surface roughness was evaluated using a surface roughness tester.
Results: The result of the MANOVA (Statistical analysis) showed that the Nanofilled resin(Z-350) presented lower surface roughness than Nanohybrid (Z-250) (p<0.005) and two resin presented the higher roughness after immersion in the alcohol containing mouth rinses  i.e. Listerine than Rexidine Plus and Betadine Mint (p<0.005).

Conclusion:

1.        Nanofilled resin presented the best behavior (lower surface roughness).

2.   Alcohol containing mouth rinses can increase the roughness of the resin composite

How to cite : Wathore S M, Shenoi P R, Khode R T, Kubde R, Makade C, Sona S, Comparative evaluation of effect of tooth brushing – mouth rinse – cycling on surface roughness of nanofilled and nanohybrid composites – an in vitro study. IP Indian J Conserv Endod 2016;1(1):17-21

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