Clinical Performance of Milled Resin Composite in Restoration of Endodontically Treated Posterior Teeth Over One Year

Inclusion Criteria of participants: * Patients with asymptomatic endodontically treated molars. * Males or Females. * Good oral hygiene. * Co-operative patients approving to participate in the study. Inclusion Criteria of teeth: * Asymptomatic endodontically treated upper or lower molars with * Homogenous root canal filling ending 1-2mm from the radiographic apex. * Proximal compound cavities. * Favorable occlusion. Exclusion criteria of participants: * High caries index with poor oral hygiene. * Severe medical complications. * Pregnancy. * Allergic history concerning methacrylates Disabilities. * Heavy smoking. * Xerostomia. * Lack of compliance. * Evidence of parafunctional habits. * Temporomandibular joint disorders. Exclusion criteria of the teeth: * Teeth with remaining wall thickness less than 1mm. * Teeth with improper or symptomatic endodontic treatment. * Deep subgingival cavity margins. * Possible future prosthodontic restoration of teeth. * Severe periodontal problems.