“…Scaling and root planing (SRP) is the most common periodontal treatment which has proven clinical effectiveness in terms of decreasing the probing pocket depth, reducing inflammation and improving the clinical attachment level (CAL) (Haffajee et al., ). SRP has some limitations, such as difficulties in accessing deeper pockets, root concavities and furcation areas (Nagarakanti, Gunupati, Chava, & Reddy, ; Rabbani, Ash, & Caffesse, ) and difficulty to remove microbial pathogens that have penetrated into dentinal tubules and which are residing in lacunae and concavities (Mombelli, Cionca, & Almaghlouth, ).…”