Blood Products Division, National Institute of Food and Drug Safety Evaluation, Ministry of Food and Drug Safety, Cheongju, Korea World Health Organization, Regional Office for the Western Pacific, Manila, Philippines National Institute of Infectious Diseases, Tokyo, Japan National Institutes for Food and Drug Control, China Food and Drug Administration, Beijing, China Department of Pharmacolog...

introduction: this study was carried out to compare the capability of k-files with mtwo rotary file in terms of negotiation as well as depth of penetration in second mesiobuccal (mb2) canal of maxillary first molar. materials and methods: a total of 32 mb2 canal of maxillary first molars having different root curvatures (not more than 30 degree) and root lengths were selected and then detected ...

science, implications for practice. J Am Board Fam Pract. 2003;16(2):131-147. 4. National Center for Health Statistics. Data File Documentation, National Health Interview Survey, 2007 [machine readable data file and documentation]. Hyattsville, MD: National Center for Health Statistics, Centers for Disease Control and Prevention; 2008. 5. Kannan VD, Gaydos LM, Atherly AJ, Druss BG. Medical util...