Socket Preservation Technique Using Bovine Bone, Platelet Rich Fibrin Or A Combination Of Both: A Clinical, Radiographic And Histological Assesment At 4 Months

Exclusion Criteria

• •1. acute myocardial infarction within the last two months;
• •2. Uncontrolled coagulation disorders;
• •3. uncontrolled diabetes (HBA1c\> 7.5);
• •4. radiation therapy to the head \\ neck region in the last 24 months;
• •5. immunocompromised patients, HIV positive or receiving chemotherapy in the last five years;
• •6. past or present treatment with intravenous bisphosphonates;
• •7. psychological or psychiatric problems;
• •8. abuse of alcohol or drugs;