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Year : 2023  |  Volume : 15  |  Issue : 4  |  Page : 372-376

Comparative evaluation of the surface roughness of a microhybrid and nanohybrid composites using various polishing system: A profilometric analysis

Department of Conservative and Endodontics, A B Shetty Memorial Institute of Dental Sciences, Nitte (Deemed to be university), Mangalore, Karnataka, India

Correspondence Address:
Dr. Shruthi H Attavar
Department of Conservative and Endodontics, A B Shetty Memorial Institute of Dental Sciences, Nitte (Deemed to be university), Deralakatte, Mangalore 575018, Karnataka
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/jioh.jioh_130_23

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Aim: To assess the effectiveness of various polishing systems on nanohybrid and microhybrid composite restorative materials. Materials and Methods: The present study was an experimental in vitro analysis. A total of 64 cylindrical specimens were divided based on random sampling method into two groups: Group I (n = 32): micro hybrid composite Te-ecoconom Plus (IvoclarVivadent) and Group II (n = 32): nanohybrid composite Beautifil II (Shofu Inc.). The two groups were further subdivided on the basis of polishing system used into four subgroups. The control subgroup (n = 8) did not receive any finishing or polishing. Subgroup A (n = 8)—Sof-Lex XT (3M ESPE). Subgroup B (n = 8)—OneGloss (Shofu Inc.). Subgroup C (n = 8)—Super-Snap X-TREME Technique Kit (Shofu Inc.). A surface profilometer was used to evaluate the surface roughness following the finishing and polishing processes. The measured value was analyzed using independent sample t test. The findings were computed using SPSS Software version 20. Results: On comparing the composites and polishing systems using independent sample t test, it was found that Beautifil II group using Super-Snap X-TREME polishing system showed a significant difference when compared to the Beautifil II group using OneGloss system and the Te-econom Plus group using the Super-Snap X-TREME system generating P value of 0.009 and 0.004, respectively, which is <0.05 hence considered to be statistically significant. Conclusion: Within the limitations of this study, the nanohybrid composite resin showed a better polishability as compared with the micro hybrid composite. The three polishing system used significantly influenced the surface roughness with Super-Snap X-TREME, Sof-Lex multistep polishing system producing a smoother surface compared to OneGloss one step polishing system.

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