Comparative Evaluation of Microneedling and Injectable Platelet Rich Fibrin in Thin Periodontal Phenotype

Inclusion Criteria: * GT of the mandibular and maxillary anterior teeth \< 1 mm, gingival index (GI) of \< 1 * Age 18-40 years and otherwise systemically healthy * Patients who had completed etiological periodontal therapy with Plaque index \<1, gingival index \<1 and showing adequate compliance and willing to participate in the study. Exclusion Criteria: * Patients having systemic diseases such as hypertension, diabetes, hyperthyroidism or on medications that influence the outcome of periodontal procedure * Pregnant and lactating women * Smokers, tobacco users * Previous periodontal surgery * No haematological disorders * Use of blood thinners * Use of any drugs that might lead to gingival enlargement * Stress, bruxism.