Dental Tribune Pakistan Edition

Group Editor Daniel Zimmermann newsroom@dental-tribune.com Tel.:+49 341 48 474 107 Clinical Editor Magda Wojtkiewicz Online Editors Yvonne Bachmann Claudia Duschek Copy Editors Sabrina Raaff Hans Motschmann Publisher/President/CEO Torsten Oemus Chief Financial Officer Dan Wunderlich Business Development Manager Claudia Salwiczek Events Manager Lars Hoffmann Media Sales Managers Matthias Diessner (Key Accounts) Melissa Brown (International) Peter Witteczek (Asia Pacific) Maria Kaiser (North America) Weridiana Mageswki (Latin America) Hélène Carpentier (Europe) Marketing & Sales Services Nadine Dehmel Nicole Andrä Accounting Karen Hamatschek Anja Maywald Manuela Hunger Executive Producer Gernot Meyer Dental Tribune International Holbeinstr. 29, 04229 Leipzig, Germany Tel.: +49 341 48 474 302 | Fax: +49 341 48 474 173 info@dental-tribune.com | www.dental-tribune.com Regional Offices Asia Pacific Dental Tribune Asia Pacific Limited Room A, 20/F, Harvard Commercial Building, 105–111 Thomson Road, Wanchai, Hong Kong Tel.: +852 3113 6177 | Fax: +8523113 6199 The Americas Tribune America, LLC 116 West 23rd Street, Ste. 500, New York, N.Y. 10011, USA Tel.: +1 212 244 7181 | Fax: +1 212 244 7185 International Imprint Publisher/CEO Syed Hashim A. Hasan hashim.hasan@dental-tribune.com.pk Editor Clinical Research: Dr. Inayatullah Padhiar Editors Research & Public Health Prof. Dr. Ayyaz Ali Khan Editorial Executive Dr. Tehmina Khan Editor - Online Haseeb Uddin Graphics Designer Sh. M. Sadiq Ali Dental Tribune Pakistan 3rd floor, Mahmood Centre, BC-11, Block-9 Clifton, Karachi, Pakistan. Tel.: +92 21 35378440-2 | Fax: +92 21 35836940 www.dental-tribune.com.pk info@dental-tribune.com.pk Dental Tribune Pakistan cannot assume responsibility for the validity of product claims or for typographical errors. The publisher also does not assume responsibility for product names or statements made by advertisers. Opinions expressed by authors are their own and may not reflect of Dental Tribune Pakistan. 2 DENTAL TRIBUNE Pakistan Edition November 2014 ALTIMORE, USA: A recently published study has shown that infection with the oral human papillomavirus Type 16 (HPV 16), which is also thought to cause oropharyngeal cancer, is more common among people who have recently used or been exposed to tobacco. The researchers found that even modest tobacco use, like three cigarettes per day, is associated with higher oral HPV prevalence. The study included 6,887 participants, who were originally enrolled in the National Health and Nutrition Examination Survey, a program of studies designed to assess the health and nutritional status of adults and children in the U.S. Current tobacco users accounted for 28.6 percent (2,012) of the study population and 1 percent (63) were infected with HPV 16. Examination of blood and urine, as well as oral rinsing and gargling to collect mouth and throat cells, found that participants with higher levels of tobacco-related biomarkers in their blood and urine, which can come from any tobacco source-even secondhand smoke-were more likely to have oral HPV 16 DNA compared with those who had no detectable levels of the compounds, explained Dr. Carole Fakhry, an assistant professor of otolaryngology–head and neck surgery at the Johns Hopkins University School of Medicine, where the study was conducted. According to the study, oral HPV 16 prevalence was greater in current tobacco users (2.0 percent) than in former tobacco users or those who had never consumed tobacco (0.6 percent). In addition, a dose-response relation was found. The equivalent of three cigarettes per day increased the risk of HPV 16 by 31 percent, and the equivalent of four cigarettes per day increased the risk by 68 percent. HPV 16 is primarily transmitted through oral sex, and current tobacco users in the study were more likely to have a higher number of lifetime oral sexual partners compared with nonusers. Thus, although the study found an independent relationship between tobacco use and HPV 16 infection, it cannot be ruled out that participants who used more tobacco might also have had more oral sex and were therefore at higher risk of infection. The study, titled “Tobacco Use and Oral HPV-16 Infection,” was published in the Oct. 8 issue of the Journal of the American Medical Association. B HICAGO: According to the NTSB investigators, an airplane headed towards Lawrence disappeared off radar and later crashed near a suburban area of Chicago on the eve of Sunday. The investigators confirmed that three passengers killed in the crash were identified as Dr Tausif Rehman M.D., Dr Ali A. Kanchwala M.D. and Dr Maria Javaid Kanchwala M.D. Dr Rehman was an esteemed neurosurgeon at Cotton-O’Neil Topeka, Dr Ali was a pulmonologist at the same clinic, and Dr Maria was an interventional cardiologist at the Kansas City Providence Medical Center. The plane reportedly crashed in the Palos Hills area on an empty lot, and therefore did not cause any casualties on the ground. According to the reporters, the three passengers on board were flying to Chicago for a shopping trip. Only five minutes after it had left the Midway Airport in Chicago, the plane crashed after it was lost on the radar. Based on the debris scatter and damage at the scene, the investigators have assumed that the six-seat plane had made a ‘nosedive’ crash landing. John Brennan, a National Transportation Safety Board air safety investigator, explained that the aircraft had impacted at an almost vertical position. Continued to page 11 Chicago Crash claims the lives of three gifted Pakistani doctors DT International Report DT Pakistan Report C New research ties tobacco use to higher risk of oral HPV infectionEditor - Online Haseeb Uddin Tel.:+4934148474107 Tel.: +4934148474302 | Fax: +4934148474173 Tel.: +85231136177 | Fax: +85231136199 Tel.: +12122447181 | Fax: +12122447185 Tel.: +922135378440-2 | Fax: +922135836940

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