Table 2: Number and percentage of pockets at baseline and after one year in laser and no-laser treated groups for the whole group (≥5mm) and subsets of molars and deep pockets ≥7mm.

Whole group Laser Group No Laser Group
No. of sites ≥5mm at baseline   924 1092
No. of sites ≥5mm after 1 year 15 157
% of sites ≥5mm after 1 year 1.6 14.3
Molar Subset    
No. of sites ≥5mm  at baseline 503 537
No. of sites ≥5mm after 1 year 14 119
% of sites ≥5mm after 1 year 2.8 22.1
≥7mm subset    
No. of sites at baseline 334 347
No of sites ≥5mm after 1 year 11 75
% of sites ≥5mm after 1 year 3.3 21.5

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