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. 2021 Sep 9;12(3):51.
doi: 10.3390/jfb12030051.

A Two-Year Comparative Evaluation of Clinical Performance of a Nanohybrid Composite Resin to a Flowable Composite Resin

Carelle Badr  1 , Gianrico Spagnuolo  2   3 , Francesco Amenta  4 , Carlos Khairallah  1 , Syed Sarosh Mahdi  4   5 , Elie Daher  1 , Gopi Battineni  4 , Nadim Z Baba  6 , Tatiana Zogheib  7 , Syed Saad B Qasim  8 , Tony Daher  1 , Nalini Chintalapudi  4 , Carina Mehanna Zogheib  1
Affiliations

A Two-Year Comparative Evaluation of Clinical Performance of a Nanohybrid Composite Resin to a Flowable Composite Resin

Carelle Badr et al. J Funct Biomater. .

Abstract

Objective: This prospective in vivo study aimed to compare the clinical behavior of a flowable composite resin (Genial Universal Flo, GC) and a nanohybrid universal composite resin (Tetric Evo Ceram, Ivoclar Vivadent) used in Class I and II direct esthetic restorations in posterior teeth.

Methods: A total of 108 Class I and II direct restorations were performed in patients aged between 20 and 60 years. The originality of this study lies in the fact that both materials were placed in pairs, in the same clinical environment (i.e., the same patient and the same type of tooth). The evaluations were performed now of restoration and after 2-weeks, 6-, 12-, and 24-months intervals using clinical examination, clinical photographs, and radiological examination, according to modified USPHS criteria. Statistical analysis was performed using the Fisher exact test and chi-square analysis.

Results: At baseline, the universal composite resin showed better esthetic properties such as surface luster, surface staining marginal staining. Both materials regressed significantly over time with no significant difference between groups.

Conclusions: Both flowable and nanohybrid composite resins exhibit acceptable clinical performance. The present 24 months of evaluation of different composites showed that the G-ænial Universal Flo could be an effective esthetic material for posterior restoration. No significant difference between both materials over time concerning surface luster, surface staining, and marginal staining.

Keywords: class I; class II; clinical study; composite resin; flowable composite resin; nanohybrid composite resin.

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Conflict of interest statement

The authors declare no conflict of interest.

Figures

Figure 1
Figure 1
(A) Pre-operative clinical photograph and bitewings radiographs on teeth 45 and 35 occluso distally (B) Clinical photograph and bitewings radiographs on teeth 45 and 35 occluso distally at T0 (C) at 2 weeks.
Figure 2
Figure 2
(A) Pre-operative Clinical photograph and bitewings radiographs on teeth 45 and 35 occluso distally at 6 months (B) Clinical photograph and bitewings radiographs on teeth 45 and 35 occluso distally at 12 (C) at 24 months.
Figure 3
Figure 3
Graphical representation of surface luster and surface staining scores between groups.
Figure 4
Figure 4
Graphical representation of scores of marginal staining and translucency between groups.
Figure 5
Figure 5
Graphical representation of esthetic anatomic form and post op sensitivity/tooth vitality scores between groups.
See this image and copyright information in PMC

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