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Background A previous study has shown deficient knowledge of caries risk factors/indicators in a Japanese adult population regarded to have a high interest in preventive dentistry. No prior research has investigated caries risk knowledge in an Irish adult population. We hypothesise there may be unexpected differences or similarities in knowledge across countries with similar levels of economic development when comparing groups with different socio-economic and cultural profiles. Understanding what influences knowledge is important for the development of effective and efficient caries prevention strategies. The current paper aims to describe the knowledge of caries risk factors/indicators in two groups with different socio-economic profiles from two culturally distinct countries. Methods Cross-sectional surveys of adult dental patients were carried out in Japan and in the Republic of Ireland (RoI) using similar self-administered paper questionnaires. Patients were asked to identify caries risk factors/indicators from eight (Japan) or ten (RoI) listed items. The Japanese study involved 482 patients (aged ≥20 years) from 52 dental members of a nationwide web-based initiative Promoting Scientific Assessment in Prevention of Tooth Decay and Gum Disease (PSAP). The Irish study involved 159 patients (aged 20–69 years) accessing state-provided (‘medical card’) dental services from eight dental practices in County Cork. The two samples were compared. Results A higher proportion of Irish respondents identified ‘Not visiting the dentist for check-up and cleaning’ (OR 2.655; 99% CI 1.550, 4.547) and ‘Not using fluoride’ (OR 1.714; 99% CI 1.049, 2.802) than did Japanese respondents. A lower proportion of Irish respondents identified ‘A reduced amount of saliva’ (OR 0.262; 99% CI 0.159, 0.433) than Japanese respondents. Similarly shown in both studies were a persistent belief that ‘Not brushing teeth properly’ is a caries risk factor and a lack of knowledge on saliva buffering capacity as a caries risk factor. Conclusions Deficiencies in knowledge which should be addressed: among the Japanese group, of dental check-up/cleaning visits and of fluoride use for caries prevention; among the Irish group, of saliva quantity as a caries risk factor. In addition, in both groups, we need to inform patients of the defensive role of saliva. Electronic supplementary material The online version of this article (doi:10.1186/s12903-017-0345-x) contains supplementary material, which is available to authorized users.

Burke FM, Whelton H, Harding M, Crowley E, O’Mullane D, Cronin M, Kelleher V, Byrtek M. Fluoridation and tooth wear in Irish adults. Community Dent Oral Epidemiol 2010; 38: 415–421. © 2010 John Wiley & Sons A/S Abstract – The aim of this study was to determine the prevalence of tooth wear in adults in Ireland and its relationship with water fluoridation. The National Survey of Adult Oral Health was conducted in 2000/2001. Tooth wear was determined using a partial mouth examination assessing the upper and lower anterior teeth. A total of 2456 subjects were examined. In this survey, increasing levels and severity of tooth wear were associated with ageing. Men were more affected by tooth wear and were more likely to be affected by severe tooth wear than women. It was found that age, and gender were significant predictors of tooth wear (P

By all accounts Michael O’Brien, that fine scholar and most generous and unassuming of men, was not happy about his Corpus genealogiarum Hiberniae, vol. i. He had it in hand for years and spent an incalculable mount of meticulous labour on it, but only near the end of his life, with great reluctance, did he consent to its publication. The proofs lacked what he considered final correction, and he feared leaving a legacy of avoidable error. Of course what he did leave was an instrument of scholarship, the value and uses of which other men will be decades in proving out. To our gratitude for his learning and labours we should therefore add an almost equal gratitude to those friends who insisted that he publish despite the probability that residual error might still amount to a fraction of one per cent. Our thanks may indeed be the greater since we learn from the introduction that this volume was intended as the first ‘of a series to contain all important Irish pedigrees and genealogical material from the earliest literary period down to c. 1500 A.D.’. If it seems unlikely now that we shall see vol. ii or any of the others, we might so easily not have had even vol. i.

THANKS to Richard Ellmann's definitive biography of James Joyce we know quite a lot about the genesis and writing of ‘The Dead,’ the concluding story in Dubliners. Joyce wrote no other short stories after it, but in a letter (January 6, 1907) to his brother Stanislaus, from Rome, in which he first referred to ‘The Dead,’ he mentioned it as one of five stories “all of which … I could write if circumstances were favorable.” The others, which seem not to have been attempted were ‘The Last Supper,’ ‘The Street,’ ‘Vengeance,’ and ‘At Bay.’ It must have been immediately thereafter that ‘The Dead’ took precedence in his thought, for in a letter written only five days later he remarked that the news of the controversy in Dublin over The Playboy of the Western World had “put me off the story I ‘was going to write’ — to wit, The Dead.” Shortly afterwards he decided to give up his job as a bank cashier in Rome and return to Trieste, which on March 5, 1907, he did. Apparently he worked at the story intermittently in the ensuing months.