الفهرس 
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Abstract
The aim of the present study is to assess the efficiency of diode laser as an adjunctive therapy with non-surgical treatment on the red complex pathogens in chronic periodontitis using Polymerase chain reaction (PCR).
Materials and Methods
Study Design:
The selected patients were divided into two groups:
Group A: included 10 patients, which were treated with conventional supra and sub gingival scaling and root planning.