Comparison of Post Tooth Extraction Healing Using Different Xenograft Materials

Exclusion Criteria

• •Poor oral hygiene (plaque index\>30%).
• •Systemic diseases that affect bone metabolism:
• •i. Osteoporosis ii. Osteomalacia iii. Hyperthyroidism iv. Hyperparathyroidism v. Paget's disease
• •Inflammatory and autoimmune diseases of the oral cavity (severe bone loss) (self-report):
• •i. Severe chronic periodontitis ii. Aggressive periodontitis iii. Necrotizing ulcerative periodontitis iv. Crohn's disease v. Multiple sclerosis vi. Rheumatoid arthritis vii. Systemic lupus erythematosus
• •History of radiation to the head and neck, and /or chemotherapy.
• •Current corticosteroid therapy.
• •History of IV Bisphosphonates therapy or \>3 years of oral intake.
• •Infectious diseases such as HIV, tuberculosis, Hepatitis (self-report).
• •Known allergy to research related materials.
• •Self-reported pregnancy or lactation