Research in any field is very important so that we can deliver the latest information. In the dental specialty research helps in shedding more light on more modern, conservative and treatment that is more acceptable. But research is only a first step in this direction. With so much of research going across the globe, the validity of research is a question, with regard to so many factors, that include whether the research personnel have stuck to the protocol while doing the research, the sample size, etc. hence systematic review of various articles helps un in understanding research of one particular topic in a more detailed way with short time. Meta analysis of systematic review gives it a statistical benefit and evidence based practice delivers what the patient expects from the doctor and the treatment is based on doctor’s experience also.