Guided Bone Regeneration Using Fixed vs Non-Fixed Resorbable Collagen Membranes

Inclusion Criteria

• •1. Men and women over 18 years old or older
• •2. Patients requiring Guided Bone Regeneration due to insufficient ridge width(≤5mm) to place dental implants, with sufficient vertical ridge height (≥9mm) from vital anatomical structures (the inferior alveolar nerve in the Mandible, or the sinus in the Maxilla)
• •3. One or more teeth missing in posterior zone (Premolars, and Molars)
• •4. Absence of active Periodontal disease
• •5. Good level of oral hygiene (Plaque index \<25%)
• •6. Absence of systemic diseases that could influence the outcome of the therapy (Uncontrolled diabetes, osteoporosis, bisphosphonate medications)
• •7. Non smokers or light smokers (\<10 cigarettes per day)
• •8. Informed consent signed