Post-operative Hyper-sensitivity Assessment After Immediate Versus Delayed Dentine Sealing in Teeth for Indirect Tooth Colored Restorations

Inclusion Criteria: * Extensive carious lesions indicated for indirect restorations * Lower first molars * Age of patients range is 18 -50 years * Patients have not received antibiotic therapy for 1 month before sampling * Males or Females (Both genders) * Patients with Good oral hygiene * Co-operative patients approving the trial Exclusion Criteria: * Pregnancy * Systemic disease or severe medical * Patients having complications as: Periodontal problems Mobile teeth, arrest caries and non-vital teeth * Heavy smoking patients * Xerostomia * Lack of compliance