The present study aims to evaluate a 2-years clinical performance of sonic-activated bulk-fill resin composite material (sonic fill) in comparison to conventional bulk-fill resin composite (X-tra fill) as posterior restorations. The null hypothesis is that sonic-activated bulk-fill resin composite restoration shows no difference when compared to conventional bulk-fill resin composite in clinical performance over 2-years evaluations based on clinical assessment.
Restorations will be evaluated 1 week after placement (Baseline - T0), 3 months (T1), 6 months (T2), 1-year (T3) and 2-years (T4) of clinical service by blinded calibrated examiner using modified United States Public Health Service (USPHS) criteria where score A (Alpha) stands for the clinically ideal restoration. Score B (Bravo) is a clinically acceptable situation except for secondary caries. Score C (Charlie) indicates clinically unacceptable restorations that must be replaced. The restorations will also be evaluated using revised FDI criteria with five grades for each criterion; scores 1 to 3 indicated clinically acceptable restorations, and scores 4 and 5 summarized clinically unacceptable situations indicating repair (score 4) or replacement (score 5).
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
OTHER
Masking
DOUBLE
Enrollment
30
bulk-fill composite resin restorations up to 5mm layer thickness
Minia University
Minya, Egypt
change in clinical performance
restorations' evaluation for retention, color matching, marginal discoloration, marginal adaptation, secondary caries, surface texture, anatomic form. Score A (Alpha) stands for the clinically ideal restoration. Score B (Bravo) is a clinically acceptable situation except for secondary caries. Score C (Charlie) indicates clinically unacceptable restorations that must be replaced. Also will be scored from 1 to 5 , which 1 to 3 indicated clinically acceptable restorations, and scores 4 and 5 summarized clinically unacceptable situations indicating repair (score 4) or replacement (score 5).
Time frame: 1 week, 3 months, 6 months, 12 months
change in post-operative pain using modified Visual Analogue Scale (VAS)
The patients will be asked to record their pain level on modified Visual Analogue Scale (VAS) from 0 to 10, where 10 means sever pain, for 1 week.
Time frame: daily for 1 week
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