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Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành y học dành cho các bạn tham khảo đề tài: Number of teeth and myocardial infarction and stroke among elderly never smokers | BioMed Central Journal of Negative Results in BioMedicine Research Number of teeth and myocardial infarction and stroke among elderly never smokers Anna-Maija H Syrjala 1 2 Pekka Ylostalo3 Sirpa Hartikainen4 5 Raimo Sulkava6 and Matti L Knuuttila7 8 Address Department of Periodontology Institute of Dentistry University of Oulu Oulu Finland 2Oulu Health Centre Oulu Finland 3Department of Periodontology Institute of Dentistry University of Oulu Oulu Finland 4Faculty of Pharmacy Kuopio Research Centre for Geriatric Care Gerho University of Kuopio Kuopio Finland 5Leppavirta Health Centre Leppavirta Finland 6School of Public Health and Clinical Nutrition. Division of Geriatrics University of Kuopio Kuopio Finland 7Department of Periodontology Institute of Dentistry University of Oulu Oulu Finland and 8Oral and Maxillofacial Department Oulu University Hospital Oulu Finland Email Anna-Maija H Syrjala - Anna-Maija.Syrjala@oulu.fi Pekka Ylostalo - Pekka.Ylostalo@oulu.fi Sirpa Hartikainen - Sirpa.Hartikainen@uku.fi Raimo Sulkava - Raimo.Sulkava@uku.fi Matti L Knuuttila - Matti.Knuuttila@oulu.fi Corresponding author Open Access Published 22 April 2009 Received 19 December 2008 Journal of Negative Results in BioMedicine 2009 8 6 doi 10.1186 1477-5751-8-6 Accepted 22 April 2009 This article is available from http www.jnrbm.cOm content 8 1 6 2009 Syrjala et al licensee BioMed Central Ltd. This is an Open Access article distributed under the terms of the Creative Commons Attribution License http creativecommons.org licenses by 2.0 which permits unrestricted use distribution and reproduction in any medium provided the original work is properly cited. Abstract Background In most previous studies the association between number of teeth and cardiovascular diseases has been found to be stronger among younger age groups than in older age groups which indicates that age may modify the association between number of teeth and cardiovascular diseases. We investigated the association .
