Clinical Research Directory

Inclusion Criteria: Patient Related Criteria: * Adult patients (age: 20-60 years) of both genders. * Healthy patients (not suffering of any systematic or chronic diseases). * Able to tolerate the necessary restorative procedures. * Willing to sign the informed ethical consent. * Accepts the follow-up period. Tooth Related Criteria: * Proper endodontically treated teeth. * First and second permanent molars. * Absence of any peri-apical lesions. * Absence of any periodontal disease involvement. * Large access cavities with one or two missing walls. * Patients with proper oral hygiene. * Presence of opposing tooth. Exclusion Criteria: * Patient related: * Patients younger than 20 or older than 60 years old. * Pregnant females. * Patients with any systemic or chronic diseases. * Patients not accepting the follow-up period. * Patients not willing to sign the informed ethical consent. * Patients with known allergies to latex and/or resinous material. Tooth related * Endodontically treated anterior, premolar and third molar teeth. * Hopelessly carious/destructed teeth necessitating extraction. * Mobile teeth, indicating periodontal disease or trauma. * External or internal resorption. * Poor endodontic treatment. * Periapical lesion present. * Cervical carious lesions involved.