2020. Effect of Supraperiosteal Injection of Dexamethasone on Interappointment Pain in Teeth with Symptomatic Irreversible Pulpitis: A Comparative Study: Effect of Supraperiosteal Injection on Interappointement Pain. Life and Science. 1, 4 (Oct. 2020), 4. DOI:https://doi.org/10.37185/LnS.1.1.111.