Postoperative Hypersensitivity and Digital Radiographic Assessment of a Zinc Modified Versus a Conventional Glass Ionomer Cement in Deep Carious Lesion: Randomized Controlled Clinical Trial

Inclusion Criteria: 1. Male or female (\>18 y) 2. patient with At least 1 deep carious lesion 3. Clinical symptoms of reversible pulpitis with positive pulp response Exclusion Criteria: * 1\. Patient suffer from irreversible pulpitis (pain with hot or instant pain lasting for a while, resistant to analgesic) 2. Presence of any sign of periapical lesion (like sinus tract ) 3. Teeth with periodontal problem 4. Anterior teeth (material used for non aesthetic region) 5. Pregnant women, to avoid multiple exposure to x ray 6. Patients unable to give consent(mentally retarted, or refuse to right a consent)