An artificial tooth root which support restoration for a missing tooth is dental implants.it is considered as form of cosmetic dentistry. They resemble exactly the same as natural teeth. They provide strength to eat all the foods without any inconvenience while chewing. Dental implants help in maintaining jaw bone and facial features. The impact factor of journal provides quantitative assessment tool for grading, evaluating, sorting and comparing journals of similar kind. It reflects the average number of citations to recent articles published in science and social science journals in a particular year or period, and is frequently used as a proxy for the relative importance of a journal within its field. It is first devised by Eugene Garfield, the founder of the Institute for Scientific Information. The impact factor of a journal is evaluated by dividing the number of current year citations to the source items published in that journal during the previous two years.
Last date updated on June, 2014