This study is conducted to compare the efficacy of surface pretreatment using air abrasion sandblasting aluminum oxide particles (Al2O3) versus not pretreatment in the repair capacity of defective composite restoration indicated for repair.
First the rationale for the repair, rather than the replacement of defective direct composite restorations proved a less invasive procedure with decreased tooth loss avoiding weakening and overtreatment of tooth. Less traumatic or stressful than replacement for patients with good acceptance; Increased longevity of the restoration; Reduction of potentially harmful effects on the dental pulp and Less risk of iatrogenic damage to adjacent teeth. Secondary using surface treatment strategies aim to prepare a clean surface with high surface energy to provide better wettability with adequate surface roughness and surface area by removing the superficial layer of the aged composite which lead to increase integrity between old and new resin restoration.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
DOUBLE
Enrollment
39
Air abrasion sandblasting aluminum oxide particles (Al2O3) Aqua Care single (London, UK) will be done for the defective area then repairing with bioactive injectable composite, Beautiful Flow Plus X F00 (Shofu, Japan).
Dentistry
Cairo, Egypt
Change in the clinical performance
Change in the clinical performance Measured using modified USPHS criteria for clinical evaluation of restoration failure. Measuring Unit: Scoring system (Ordinal): * Alfa * Bravo * Charlie * Delta
Time frame: Change from the baseline at 12 months
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