The objectives of this study are to evaluate and compare the biofilm inhibition and re-mineralizing potential at tooth restoration interface and their 2-year clinical performance in class I cavities.The patients will be selected from the Outpatient clinic at Faculty of Dentistry, Mansoura University. Patients will be informed about the steps of the study, whom will approve, will sign a written consent form. The form and protocol will be approved by the Ethics Committee. Each patient should have 4 frank carious dentinal lesions (ICDAS score 4 or 5) in posterior teeth. A periapical radiograph will be performed to evaluate the extension of the carious lesion and to ensure that there is no radiolucency in the periapical or furcation area. The teeth have to be vital, not sensitive to percussion and/or spontaneous pain. The patients will be required to have complete and normal occlusion as well as good oral hygiene.
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Postoperative hypersensitivity/pulp status
Timeframe: Two years after restoration
Marginal adaptation
Timeframe: Two years after restoration]