Table 2: Means (S.D.) for Investigated Variables for Groups Stratified According to a Daily Proximal Cleaning Routine

Variable No Daily Proximal Cleaning Routine before and after Treatment (28%) Started Daily Proximal Cleaning Routine after Treatment (16%) Daily Proximal Cleaning Routine before and after Treatment (56%) p
Age 52 (11) 59 (8.9) 58 (9.3) NS
Smokers (%) at baseline 47 38 56 NS
Number of teeth at baseline 23.5 (4.55) 24.0 (5.26) 23.2 (4.28) NS
Number of sites with periodontal pocket depths 5-6 mm at baseline 20 (11) 10 (5.2) 10 (6.4) <0.01
Number of sites with periodontal pocket depths 5-6 mm at re-evaluation 7.3 (5.3) 5.8 (5.1) 5.4 (5.2) NS
Number of sites with periodontal pocket depths 7-8 mm at baseline 7.1 (6.3) 4.2 (4.7) 3.1 (5.0) <0.05
Number of sites with periodontal pocket depths 7-8 mm at re-evaluation 1.7 (2.2) 1.5 (3.6) 1.1 (2.4) NS
Number of sites with periodontal pocket depths >8 mm at baseline 3.5 (7.0) 4.8 (15) 1.3 (3.3) NS
Number of sites with periodontal pocket depths >8 mm at re-evaluation 0.20 (0.41) 1.6 (5.9) 0.53 (1.5) NS
Plaque Index at baseline 66 (24) 53 (27) 40 (19) <0.01
Plaque Index at re-evaluation 33 (16) 16 (9.9) 12 (13) <0.01
Bleeding probing index at baseline 31 (14) 21 (20) 16 (10) NS
Bleeding probing index at re-evaluation 8.3 (6.2) 8.2 (17) 7.4 (7.1) NS

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