Root Coverage Using a Xenograph for Treatment of Gingival Recession

* Inclusion Criteria: * Adults 18-90 years of age * Miller Class I \& II defects on maxillary or mandibular teeth * At least 1 adjacent non-involved tooth on either side of the included recession defects * Keratinized tissue width of ≥2.0 mm * Periodontal probing depths of 3 mm or on included teeth * Plaque index of 2 or less * Bleeding on probing at 30% or less sites * Current non-smoker * No active infected wounds * Exclusion Criteria * Patients less than 18 years of age * Miller Class III, or IV mucogingival defects * Miller Class I \& II defects without adjacent non-involved teeth * CEJ not identifiable * Root surface restoration at the defect site * Periodontal probing depths greater than 3 mm * Plaque index of 2 or greater * Bleeding on probing at more than 30% of sites * Uncontrolled oral disease * Moderate to severe generalized chronic or aggressive periodontitis * Oral manifestations of a systemic disease * History of previous root coverage procedure, graft, or GTR * Current smoker or other tobacco use * Alcohol abuse problems * Traumatic occlusion impinging on the recession defect * Use of intraoral appliances that impinge on the recession defect * Intra-oral piercings that impinge on the included defect * Uncontrolled systemic health conditions * Debilitating systemic or infectious disease * Diabetes * Heart Disease * Uncontrolled heart disease * Delayed wound healing * Immunocompromised status due to medication or immune system dysfunction * Active infection or non-healing wounds * Currently pregnant or lactating * Long-term steroid use