title: Authors' reply.
authors.affiliation: Department of Periodontics, Panineeya Mahavidhyalaya Institute of Dental Sciences and Research Centre, Kamalanagar, Dilsukhnagar, Hyderabad, India.
authors.forename: Rekha Rani
authors.initials: RR
authors.lastname: Koduganti
authors.forename: Sangeeta
authors.initials: S
authors.lastname: Sehrawat
authors.forename: P Veerendranath
authors.initials: PV
authors.lastname: Reddy