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HOOTH LOSS AND RISK FACTORS AMONG ELDERLY VIETNAMESE
known fact that tobacco smoking can increase the risk for periodontitis. Substances in tobacco might facilitate the accumulation of bacteria and lead to the destruction of tooth-supporting tissue 22. Our study indicated that the odds ratio for smokers losing > 6 teeth was 2.8 as compared to non-smokers. These results are similar to those of studies in Japan and China 23, 8. Reports about the relationship between alcohol consumption and tooth loss have been focused on dose-related effects. Some studies have shown that drinking causes periodontitis, with the latter considered a risk factor for tooth loss 7, 24. However, alcohol consumption was not considered as indicator for losing > 6 teeth in the current study. The similar findings were also reported by Yoshioka et al. 23, and Eustaquio-Raga et al. 25 The shortcomings of our study were that the quantity and frequency of alcohol consumption were not accurately measured, and the reason for tooth loss( due to dental caries or periodontal disease) could not be exactly determined. A further study is required to investigate the impact of tooth loss on the function of the stomatognathic system in the elderly persons.
5. Conclusions The data obtained allowed us to conclude that there were high prevalence and a high number of teeth lost among elderly Vietnamese. Smoking behaviour and time in education were significantly related to maintaining teeth of the elderly community population. The data serve setting up an oral health intervention programme for the older Vietnamese.
Acknowledgements This study was supported by an Estonian Science Foundation grant( No. 9255), IUT20 – 46 grant from the Estonian Research Council and the DoRa Doctoral Studies and Internationalisation Programme. The authors declare no conflict of interest related to this study.
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