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ORIGINAL ARTICLE
Year : 2017  |  Volume : 7  |  Issue : 3  |  Page : 130-136

One-year clinical evaluation of nanohybrid resin composite in the restoration of occlusal and proximo-occlusal cavities in Nigeria


1 Department of Restorative Dentistry, Lagos State University Teaching Hospital, Ikeja, Nigeria
2 Department of Restorative Dentistry, College of Medicine, Lagos State University, Ikeja, Nigeria
3 Department of Restorative Dentistry, College of Medicine, University of Lagos, Akoka, Nigeria
4 Department of Restorative Dentistry, General Hospital, Odan, Lagos, Nigeria
5 Department of Preventive Dentistry, College of Medicine, Lagos State University, Ikeja, Nigeria

Correspondence Address:
Afolabi Oyapero
Department of Preventive Dentistry, Faculty of Dentistry, College of Medicine, Lagos State University, P.O. Box 21266, Ikeja, Lagos
Nigeria
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/AIHB.AIHB_38_17

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Background: This study aimed to evaluate the clinical performance of nanocomposites in a Nigerian adult population. Resin composites are becoming the preferred direct restorative material in restoring occlusal and proximo-occlusal cavities due to their aesthetic properties and good clinical service. Materials and Methods: This was a clinical study evaluating the clinical performance of a nanohybrid resin composite in the restoration of occlusal and proximo-occlusal cavities in Nigerian adults. This study was done in the Conservative Dentistry Clinic of the Lagos State University Teaching Hospital, Ikeja, from April 2014 to September 2015. The restorations were evaluated immediately at baseline, 3, 6 and 12 months postoperatively for colour match, marginal discolouration, surface roughness, anatomical form, marginal adaptation, retention, post-operative sensitivity and secondary caries using the modified USPHS criteria. Statistical analysis was performed using Fisher's exact test and a 5% level of significance was considered statistically significant. Results: Males had more proximo-occlusal (26.7) than occlusal (6.7) cavities while the females (43.3) had more occlusal cavities. The nanohybrid occlusal restorations had 100% alpha scores at baseline for anatomical form which dropped to 93.3% at 12 months with 6.7% of the restorations scoring Bravo, whereas all nanohybrid proximo-occlusal restorations had 100% alpha scores from baseline to the 12-month review. All occlusal and proximo-occlusal restorations evaluated for surface texture and marginal adaptation had alpha scores at baseline which dropped to 93.3% at 12 months. Conversely, all nanohybrid occlusal and proximo-occlusal restorations scored 100% for colour match and retention, sensitivity and secondary caries from baseline to 12 months. Conclusion: The clinical performance of natural elegance nanohybrid resin composite (Henry Schein®) was satisfactory in the restoration of occlusal and proximo-occlusal cavities in Nigerian adults over a 1 year evaluation period.


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