Objectives: The connective tissue graft (CTG) is considered to be the most performed procedure in the treatment of gingival recession defects. The purpose of this study was to evaluate the clinical efficacy of (CTG) in the treatment of Miller class I and II single gingival recession defects of patients with thin gingival biotype.Material and methods: 14 systemically healthy patients (8 females and 6 males); aged 30 to 55 years were treated. The clinical parameters plaque index (PI), gingival index (GI), gingival thickness (GT), probing depth (PD), recession height (RH), recession width (RW), and amount of attached gingiva (AG) were recorded at baseline and re-measured at 6 months. Results: CTG procedure resulted in statistically significant decreases in PD, RH, RW, and increases in AG at 6 months (p<0.05). There was also a significant gain in the CAL (p<0.05). The mean percentage root coverage at the final evaluation was 95%.Conclusion: Within the limits of present study it can be concluded that CTG has favourable results in the treatment of Miller Class I and II single gingival recession defects of patients with thin gingival biotype.

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