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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