Randomized clinical trial of class II restoration in permanent teeth comparing ART with composite resin after 12 months
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This study evaluated the effectiveness of class II restorations, in permanent teeth, through the ART technique in comparison to composite resin.
Materials and methods
Participants (154), aged 8 to 19 years, with good general health, with class II cavities in permanent teeth, and without pulp involvement and tooth pain were included in this parallel and randomized clinical trial. The Ethics Committee approval number was CAAE: 24012913.0.1001.5417. Seventy-seven restorations were made with each restorative material (Equia Fil-GC Corporation and Z350-3M). Evaluations occurred at 6 and 12 months by the criteria of ART and the USPHS modified. Data were analyzed by Mann-Whitney, chi-square, Fisher’s exact, chi-square tests with linear trend and logistic regression by enter method (p < 0.050). The Kaplan-Meier test evaluated the survival rates of the restorations. The log-rank test compared the survival curves.
Regardless of the evaluation criteria used, the success rates of ART restorations were 98.7% (6 months) and 95.8% (12 months) and for composite resins were 100% (6 months) and 98.7% (12 months), with no statistical difference of restoration groups (p > 0.050). Survival rates for restorations, regardless of the evaluation criteria used, are the same as the success rates, with the exception of ART restorations at 12 months of follow-up (94.8%).
No differences in the success rates of class II restorations of ART compared to resin composite, in permanent teeth, were observed after 12 months.
HVGIC can safely be used to restore proximal cavities in permanent teeth up to 12 months.
KeywordsGlass ionomer cement Composite resin Posterior teeth Permanent dentition Atraumatic restorative treatment Clinical trial
The work was supported by the São Paulo Research Foundation (FAPESP, grant 2014/01626–3).
Compliance with ethical standards
Conflict of interest
The authors declare that have no conflict of interest.
All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
Informed consent was obtained from all individual participants included in the study.
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