title: Comment on "Evaluation of Manual and Two-Rotary NiTi Retreatment Systems in Removing Gutta-Percha Obturated with Two Root Canal Sealers".
abstract: Proper research design, appropriate evaluation and measurement methods, use of correct statistical tests, interpretation, and inference are the essentials without which any scientific research reporting is incomplete and does not serve its proposed purpose. In this communication, some common flaws in research designing, evaluation, analysis, and inference have been explained using a published article as a reference. The purpose of the paper is to help the scientific community recognize the significance of proper research designing and planning in order to achieve the results which are worthwhile.
authors.affiliation: Department of Endodontics & Conservative Dentistry, Seema Dental College, Rishikesh 249203, India.
authors.forename: Seema K
authors.initials: SK
authors.lastname: Dixit
authors.forename: Varun
authors.initials: V
authors.lastname: Arora
authors.forename: Kapil
authors.initials: K
authors.lastname: Loomba
authors.forename: Ashutosh
authors.initials: A
authors.lastname: Dixit
authors.forename: Ridhima Birmani
authors.initials: RB
authors.lastname: Gaunkar
authors.forename: Bhaskar
authors.initials: B
authors.lastname: Agarwal
authors.forename: Alok
authors.initials: A
authors.lastname: Misra
authors.forename: Narendra Kumar
authors.initials: NK
authors.lastname: Gupta