Inclusion Criteria:  Current smokers have at least one tooth indicated for extraction due to extensive decay, tooth fracture or failed root canal treatment. 21 years of age or older. give a written consent to participate in the trial. have the desire to have an implant restoration for at least one non-restorable tooth indicated for socket preservation procedures and generally healthy with no systematic disease  Exclusion Criteria:  subjects who unable to undergo oral surgery procedures due to a medical condition. women who are pregnant or nursing a child. subjects with dental infection of bone, active periodontal disease and ankylosed teeth. Subjects with following systemic diseases and conditions: Chemotherapy or radiation for the treatment of cancer and arthritis, seriously impaired cardiovascular or pulmonary function, uncontrolled diabetes, auto-immune compromised diseases, kidney or liver disease and history of severe, multiple allergies.