Mix of Demineralized Freeze-Dried Bone Allograft and Deproteinized Bovine Bone Mineral: a Possible Solution for Alveolar Ridge Preservation?

Inclusion Criteria: * Patients in good health * Require the extraction of at least one premolar or molar with future implant placement * Sufficient keratinized gingiva (equal or more than 2mm prior to extraction), * No more than 3mm of buccal bone loss * Flapless extraction possible * Full mouth plaque index of less than 25% Exclusion Criteria: * Nicotine consumption equivalent to or more than 10 cigarettes per day * Electronic cigarette usage * A history of irradiation of head and neck area * Immunodeficiency disease * Uncontrolled systemic health problems (hypertension crisis 180/120, hyperthyroidism, diabetes with HbA1c over 7, recent history of stroke, cancer) History of medications that affect bone remodeling process (bisphosphonates, RANK-L inhibitors) * Previous adverse reaction to the biomaterials used * Pregnancy/lactation, or those who are trying to become pregnant. * Active uncontrolled or untreated periodontal disease * Periapical lesions greater than 1 cm and soft tissue pathology