Evaluating the bacterial elimination and penetration depth of 810 nm and 980 nm diode laser, at 3 cycles and 6 cycles - An invitro study - Narasimha Reddy Kanumuru; Raj Kumar Kothandakaman; Arun kulandai Velu; Sekar Mahalaxmi (Wolters Kluwer Medknow Publications, 2011)