الفهرس 
Evaluation of the marginal integrity of recent bulk fill flowable composite vs glass ionomer for carious cervical restorations Randomized controlled clinical trial
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Abstract
Background and aims: Cervical lesions are of much concern to the patient, if present in esthetically sensitive regions. Cervical lesions have been a restorative challenge for dentists for many years.The complex morphology of Class V cavities with margins partly in enamel and partly in dentin presents a challenging scenario for the restorative material.The present clinical trial aimed to evaluate the marginal integrity of bulk fill flowable composite restoration and glass ionomer restoration in carious cervical lesions. Materials and Methods: sixty-three patients with carious class v cavities were selected from the clinic of Restorative Dentistry Department, Faculty of Dentistry, Cairo University. Patients were divided into three groups according to the restorations: group1: resin modified glass ionomer (control group), group 2: high viscosity glass ionomer and group 3: bulk fill flowable composite. Conservative class v cavities were done by one operator. Randomization was done to allocate patients into groups. Restorations were evaluated at baseline, 3 months, 6 months and 12 months by USPHS criteria. Results: Data were analyzed using Chi-square test to compare the frequency of USPHS scores of marginal integrity between restorative materials and tooth types at each evaluation time. significant difference was found between bulk fill flowable composite group and high viscosity glass ionomer group after 12 months (P=0.016)