Document Classification

Section Type: RESULTS

Text: Twelve and 120 + / - 12 months after therapy both groups showed statistically significant (p < 0. 01) attachment gain (split-mouth : OFD : 12 months : 3. 60 + / - 2. 67 mm ; 120 months : 3. 65 + / - 3. 36 mm ; GTR : 12 months : 3. 50 + / - 1. 90 mm ; 120 months : 2. 85 + / - 2. 24 mm ; parallel : OFD : 12 months : 3. 47 + / - 2. 80 mm ; 120 months : 3. 41 + / - 2. 75 mm ; GTR : 12 months : 3. 67 + / - 2. 11 mm ; 120 months : 2. 89 + / - 2. 12 mm).