The Influence of Dimensional Anatomic Variables on the Outcomes of Maxillary Sinus Grafting Procedures

Inclusion Criteria: * Adults patients (Older than 18 years), up to 85 years-old. * Physical status according to the American Society of Anesthesiologists (ASA) I or II * Patient in need of a sinus grafting using the lateral approach to allow the proper placement of dental implants. The remaining bone height must be 3 mm or less. * No uncontrolled systemic disease or condition known to alter bone metabolism * Adequate oral hygiene (O'Leary plaque score ≤20%) Exclusion Criteria: * Long term (\>2 weeks) use of antibiotics in the past 3 months * Patients smoking more than half-pack a day * Patients taking medications known to modify bone metabolism (such as bisphosphonates, corticosteroids, etc…) * Pregnant or attempting to get pregnant * Patients that don't meet the indications for sinus grafting (Existing sinus conditions, sepsis, history of cancer and/or radiation to the oral cavity, use of biphosphonates, pregnancy), or have postoperative complications related to those conditions.