The aim of this study is to evaluate Clinical Performance of bioactive highly filled injectable flowable composite for direct posterior occlusal conservative restorations using FDI Criteria

Inclusion Criteria:The inclusion criteria: patient age range from 16-45 years, with a premolar indicated for extraction, patients required at least a couple of Class I restorations. The patient should have good general health.

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Exclusion Criteria:Where the exclusion criteria will be: poor oral hygiene, sever or chronic periodontal disease or bruxism, severe tooth sensitivity, non-vital or fracture or cracked teeth, defective restorations or bleaching procedures during the last 6 months, pregnancy, and/or lactation, and allergy to the main components of the products to be used in the study.

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