Inclusion Criteria:  Patients older than 10 years old. Written consent after their update regarding the study and its aims. Noncontributory medical history. Extremely deep caries extending to the pulp chamber. Positive response to cold sensibility testing. Presence of spontaneous pain or provoked lingering pain to cold stimuli. No clinical signs of pulp necrosis such as swelling or presence of a sinus tract. Restorable and periodontally sound teeth.  Exclusion Criteria:  Immature teeth. Cariously involved teeth with no response to pulp sensibility tests. No signs and symptoms of irreversible pulpitis. Bleeding not controlled in 10 minutes after partial pulpotomy. Teeth with no evidence of bleeding after communication with the pulp chamber (necrosis of the coronal pulp tissue) Teeth with the pulp chamber exposed to the oral environment. Detection of periodontal pocket with depth greater than 4mm. Teeth suspected for crack or incomplete crown fracture possibly responsible for pulp pathology. Medically compromised patients.