The Effect Of Using Sticky Bone With Coronally Advanced Flap In Management Of Type 1 Gingival Recession

Inclusion Criteria: 1. Selected patients of both sexes with age range 25-45 years old. 2. Patients are systemically healthy based on questionnaire dental modification of Cornell index. 3. O'Leary index (1972) is less than 10% (the surgical therapy is not initiated until the patient reaches the 10% level or less of plaque accumulation). 4. Buccal recession defects are classified RT1 according to Cairo's classification (2011). 5. Clinical indication and/or patient request for recession coverage. Exclusion Criteria: 1. Pregnant female. 2. Smokers. 3. Patients with special needs or with any mental problems. 4. All patients are using any kind of medications that could interfere with healing of periodontal tissues. Such as chemotherapy and radiotherapy. 5. Teeth with carious lesions. 6. Rotated and extruded teeth. 7. Patient undergone any prior periodontal surgery in the relevant region within year.