Cork University Dental School and Hospital

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Prevalence of overweight and obesity on the island of Ireland: results from the North South Survey of Children's Height, Weight and Body Mass Index, 2002
(BioMed Central Ltd., 2007-07-31) Whelton, Helen; Harrington, Janas M.; Crowley, Evelyn; Kelleher, Virginia; Cronin, Michael S.; Perry, Ivan J.
Background: Childhood obesity is emerging as a major public health problem in developed and developing countries worldwide. The aim of this survey was to establish baseline data on the prevalence and correlates of overweight and obesity among children and adolescents in the Republic of Ireland (RoI) and Northern Ireland (NI). Methods: The heights and weights of 19,617 school-going children and adolescents aged between 4 and 16 years in NI and RoI were measured using standardised and calibrated scales and measures. The participants were a representative cross-sectional sample of children randomly selected on the basis of age, gender and geographical location of the school attended. Overweight and obesity were classified according to standard IOTF criteria. Results: Males were taller than females, children in RoI were taller than those in NI and the more affluent were taller than the less well off. The overall prevalence of overweight and obesity was higher among females than males in both jurisdictions. Overall, almost one in four boys (23% RoI and NI) and over one in four girls (28% RoI, 25% NI) were either overweight or obese. In RoI, the highest prevalence of overweight was among 13 year old girls (32%) and obesity among 7 year old girls (11%). In NI the highest prevalence of overweight and obesity were found among 11 and 8 year old girls respectively (33% and 13%). Conclusion: These figures confirm the emergence of the obesity epidemic among children in Ireland, a wealthy country with the European Union. The results serve to underpin the urgency of implementing broad intersectoral measures to reduce calorie intake and increase levels of physical activity, particularly among children.
BSP News Winter 2009/10
(British Society of Periodontology, 2009) Roberts, Anthony
The heights and weights of Irish children from the post-war era to the Celtic tiger
(British Medical Journal Group, 2009-03) Perry, Ivan J.; Whelton, Helen; Harrington, Janas M.; Cousins, Bernard
BACKGROUND: Childhood obesity is a significant global health issue. National level data on long-term secular trends are relatively sparse. METHODS: Data were obtained from three large-scale surveys of school-aged children in Ireland involving measurements of height and weight in 1948, the 1970s and 2002. RESULTS: Significant increases in height and weight were observed in both boys and girls and in all age groups across the decades. The increases in weight were disproportionate to the trends in height. While boys aged 14 years were 23 cm taller 2002 than in 1948, their average weight was 61 kg, compared with 37 kg in 1948, an increase of 24 kg. A substantial proportion of the increase in weight is seen between the 1970s and 2002. CONCLUSIONS: The data provide stark and compelling evidence on the evolution of the obesity epidemic in Irish children in tandem with the increase in economic prosperity.
BSP News Winter 2010/11
(British Society of Periodontology, 2010) Roberts, Anthony
BSP News Winter 2011/12
(British Society of Periodontology, 2011) Roberts, Anthony
The effect of variability in the powder/liquid ratio on the strength of zinc phosphate cement
(Hindawi Publishing Corporation, 2011-11) McKenna, Jill E.; Ray, Noel J.; McKenna, Gerald; Burke, Francis M.; Abdalla, Ali I.
Aim: To investigate (a) variability in powder/liquid proportioning (b) effect of the extremes of any such variability on diametral tensile strength (DTS), in a commercial zinc phosphate cement. Statistical analyses (a = 0.05) were by Student's t-test in the case of powder/liquid ratio and one-way ANOVA and Tukey HSD for for pair-wise comparisons of mean DTS. The Null hypotheses were that (a) the powder-liquid mixing ratios observed would not differ from the manufacturer's recommended ratio (b) DTS of the set cement samples using the extreme powder/liquid ratios observed would not differ from those made using the manufacturer's recommended ratio. Methodology: Thirty-four undergraduate dental students dispensed the components according to the manufacturer's instructions. The maximum and minimum powder/liquid ratios (m/m), together with the manufacturer's recommended ratio (m/m), were used to prepare cylindrical samples (n = 3 x 34) for DTS testing. Results: Powder/liquid ratios ranged from 2.386 to 1.018.The mean ratio (1.644 (341) m/m) was not significantly different from the manufacturer's recommended value of 1.718 (p=0.189). DTS values for the maximum and minimum ratios (m/m), respectively, were both significantly different from each other (p<0.001) and from the mean value obtained from the manufacturer's recommended ratio (m/m) (p<0.001). Conclusions: Variability exists in powder/liquid ratio (m/m) for hand dispensed zinc phosphate cement. This variability can affect the DTS of the set material.
BSP News Winter 2012/13
(British Society of Periodontology, 2012) Roberts, Anthony
Dental anxiety prevalence and surgery environment factors: A questionnaire-based survey of attenders in Ireland
(Society for the Advancement of Anaesthesia in Dentistry, 2012-01) Brady, Paul; Dickinson, Chris; Whelton, Helen
Aim: To identify and quantify anxious dental patientsand dental office environment factors that may influence anxiety. Objective: To develop and implement a questionnaire toinvestigate dental anxiety and identify factors thatenhance or lessen dental anxiety in the surgery setting. Methods: Data was collected from patients by a self completed questionnaire when attending dentists at a general dental practice and hospital clinics. Results: The estimated prevalence of dental anxiety in the totalsample was 17.0%. A higher proportion of females were highly anxious. Those attending the Dental Hospital were less likely to be anxious than those who were attending the Dental Practice. An inverse relationship between frequency of dental attendance and dental anxiety was found. Anxiety was significantly higher forthose respondents that indicated that a delay in their appointment would make them more anxious. Of the reported fears regarding their dental visit, 60% of respondents claimed that they were afraid it s going tohurt . When compared to non-anxious patients, more anxious patients feared feeling out of control , a negative experience , the needle, the drill, and being bothered by the smell associated with dental materials.The majority of respondents had a preference for a dentist that was young, friendly, talkative and native English speaking. In general, patients preferred the surgery temperature to be slightly cool. Regardless of anxiety level, 31.0% of patients said that they would prefer the chairside mouth rinse to be plain water with 49.1% not having a preference. Conclusions: This study demonstrates that a significant proportion of patients experience anxiety about visiting the dentist. Many of them have preferences about dentists and the surgery environment which may be modulators of their anxiety. Awareness by the dental profession of the causes of dental anxiety and measures taken by dentists tominimise these trigger factors could have a substantial impact on anxious patients.
Caries prevention for older people
(Connect Publications, 2012-09) Hayes, Martina
The effect of copayments for prescriptions on adherence to prescription medicines in publicly insured populations; A systematic review and meta-analysis
(Public Library of Science, 2013) Sinnott, Sarah-Jo; Buckley, Claire M.; O'Riordan, David; Bradley, Colin P.; Whelton, Helen; Health Research Board
Introduction: Copayments are intended to decrease third party expenditure on pharmaceuticals, particularly those regarded as less essential. However, copayments are associated with decreased use of all medicines. Publicly insured populations encompass some vulnerable patient groups such as older individuals and low income groups, who may be especially susceptible to medication non-adherence when required to pay. Non-adherence has potential consequences of increased morbidity and costs elsewhere in the system. Objective: To quantify the risk of non-adherence to prescribed medicines in publicly insured populations exposed to copayments. Methods: The population of interest consisted of cohorts who received public health insurance. The intervention was the introduction of, or an increase, in copayment. The outcome was non-adherence to medications, evaluated using objective measures. Eight electronic databases and the grey literature were systematically searched for relevant articles, along with hand searches of references in review articles and the included studies. Studies were quality appraised using modified EPOC and EHPPH checklists. A random effects model was used to generate the meta-analysis in RevMan v5.1. Statistical heterogeneity was assessed using the I-2 test; p>0.1 indicated a lack of heterogeneity. Results: Seven out of 41 studies met the inclusion criteria. Five studies contributed more than 1 result to the meta-analysis. The meta-analysis included 199, 996 people overall; 74, 236 people in the copayment group and 125,760 people in the non-copayment group. Average age was 71.75years. In the copayment group, (verses the non-copayment group), the odds ratio for non-adherence was 1.11 (95% CI 1.09-1.14; P = <0.00001). An acceptable level of heterogeneity at I-2 = 7%, (p = 0.37) was observed. Conclusion: This meta-analysis showed an 11% increased odds of non-adherence to medicines in publicly insured populations where copayments for medicines are necessary. Policy-makers should be wary of potential negative clinical outcomes resulting from non-adherence, and also possible knock-on economic repercussions.
The utility of survey and administrative data to generate information for research and outcomes-based oral health services development
(University College Cork, 2013) Guiney, Helena; Whelton, Helen; Woods, Noel
The aim of this research, which focused on the Irish adult population, was to generate information for policymakers by applying statistical analyses and current technologies to oral health administrative and survey databases. Objectives included identifying socio-demographic influences on oral health and utilisation of dental services, comparing epidemiologically-estimated dental treatment need with treatment provided, and investigating the potential of a dental administrative database to provide information on utilisation of services and the volume and types of treatment provided over time. Information was extracted from the claims databases for the Dental Treatment Benefit Scheme (DTBS) for employed adults and the Dental Treatment Services Scheme (DTSS) for less-well-off adults, the National Surveys of Adult Oral Health, and the 2007 Survey of Lifestyle Attitudes and Nutrition in Ireland. Factors associated with utilisation and retention of natural teeth were analysed using count data models and logistic regression. The chi-square test and the student’s t-test were used to compare epidemiologically-estimated need in a representative sample of adults with treatment provided. Differences were found in dental care utilisation and tooth retention by Socio-Economic Status. An analysis of the five-year utilisation behaviour of a 2003 cohort of DTBS dental attendees revealed that age and being female were positively associated with visiting annually and number of treatments. Number of adults using the DTBS increased, and mean number of treatments per patient decreased, between 1997 and 2008. As a percentage of overall treatments, restorations, dentures, and extractions decreased, while prophylaxis increased. Differences were found between epidemiologically-estimated treatment need and treatment provided for those using the DTBS and DTSS. This research confirms the utility of survey and administrative data to generate knowledge for policymakers. Public administrative databases have not been designed for research purposes, but they have the potential to provide a wealth of knowledge on treatments provided and utilisation patterns.
The use of atraumatic restorative treatment in elderly patients: a randomised controlled clinical trial
(University College Cork, 2013) da Mata, Cristiane; O'Mahony, Denis; Allen, P. Finbarr; Health Research Board
Objectives: to assess elderly patients’ dental status and dental habits and compare the survival rates, impact on patients’ quality of life and cost-effectiveness of Atraumatic Restorative Treatment (ART) and a conventional treatment (CT) to restore carious lesions in an elderly population. Methods: In this randomised clinical trial, 99 independently living adults (65-90 yrs) with carious lesions were randomly allocated to receive either ART or CT. Details of restored, missing and carious teeth were recorded and patients answered some questions about their oral hygiene and dental attendance habits. Direct and indirect costs were measured based on treatment time, materials and labour. Effectiveness was measured using restoration survival percentage after one year. The survival of restorations was assessed 6 months and one year after restoration placement by an independent examiner. Oralhealth related quality of life (OHRQoL) was assessed using the OHIP-14 at baseline and 2 months after treatment together with a global transition statement. Results: The patient sample comprised 46 (46.46%) male and 53 (53.54) female participants at baseline, with a mean age of 73.18 (SD=6.76). The mean DMFT of the entire sample was 27.10. Ninety patients and 268 restorations could be assessed after one year, 127 ART (46 patients) and 141 conventional restorations (44 patients). 93.7% and 97.2% of the restorations placed were considered successful in the ART and CT groups, respectively. The OHIP scores did not change dramatically 2 months after treatment, in either group. The global transition scale showed an improvement in overall oral health after treatment for the majority of patients. The ART were more cost-effective compared to the CT restorations. Conclusions: ART presented survival rates similar to CT after 1 year and was a more cost-effective alternative to treat the elderly.
How to plan for emergencies
(Connect Publications, 2013-01) Brady, Paul
Is 50 cent the price of the optimal copayment? - a qualitative study of patient opinions and attitudes in response to a 50 cent charge on prescription drugs in a publicly funded health system in Ireland
(BioMed Central Ltd., 2013-01-10) Sinnott, Sarah-Jo; Guinane, Marie; Whelton, Helen; Byrne, Stephen
Background: A 50 cent prescription levy was introduced in 2010 on the General Medical Services (GMS) scheme (Irish public health insurance). This study sought to examine patient attitudes and opinions surrounding the 50 cent copayment. Given the small momentary value of the prescription fee, these results are of interest to policymakers internationally who wish to reduce copayments rather than abolish them. Methods: A qualitative research design was used; semi structured interviews were carried out. Twenty four GMS eligible participants were interviewed in 23 interviews. Fifteen females and 9 males took part. Ages varied from 31- >70 years. Patients were invited to be interviewed in both independent and chain community pharmacies in three types of setting; 1) a socially deprived urban area, 2) a suburban affluent area and 3) a rural area. The Framework method was used for data management and analysis using QSR International’s NVivo 9.2 qualitative data analysis software. The “Francis method” was used to test for data saturation. Results: Results are of interest to the Irish context and also at a broader international level. Patients were mostly accepting of the prescription levy with some reservations concerning an increased price and the way in which generated revenue would be used by government. Participants identified waste of prescription drugs at the hand of patients (moral hazard), but there was discordant opinion on whether the 50 cent copayment would halt this moral hazard. Interviewees felt the levy was affordable, albeit some may suffer a financial impact more than others. Conclusions: This qualitative study gives important insights into the experiences of GMS patients with regard to the prescription levy. Information regarding the appropriateness of a 50 cent copayment as a symbolic copayment needs to be confirmed by quantitative analysis. Further insight is required from a younger population.
Managing periodontal disease: the clinician's role and the patient's responsibility
(George Warman Publications Ltd, 2013-06) Buckley, Peter; Roberts, Anthony
This manuscript highlights the roles and responsibilities of the clinician and patient in the successful management of periodontal disease. Clinical relevance: This article highlights the variety of factors that need to be addressed for periodontal diseases to be successfully managed. Learning objective: The reader should understand the broad range of issues that require consideration for patients to be successfully managed for their periodontal problems.
Failure rates of class V restorations in the management of root caries in adults: a systematic review and meta-analysis
(2013-07) Hayes, Martina; Brady, Paul; Burke, Francis M.; Allen, P. Finbarr; Health Research Board
An analysis of the attitudes of dental patients attending general dental practice in Galway
(Irish Dental Association, 2013-08) Hayes, Martina; Burke, Francis M.; McKenna, Gerald; Madden, Jamie M.; Cronin, Michael
Aim: To describe the patterns of dental attendance and attitudes towards tooth loss of general dental practice patients in Galway. Objectives: 1. To determine the pattern of adult dental attendance in general practices in Galway; and, 2. To examine the oral health attitudes of these patients. Method: Questionnaires were distributed to 311 consecutive adult patients in the waiting rooms of ten general dental practices in Galway, which were randomly selected from the telephone directory. Results: A total of 254 of the 311 questionnaires distributed were fully completed, returned and included in the results, giving a response rate of 81.7%. A total of 59% of dentate participants attended their dentist for annual or biannual examinations compared to 23% of edentate patients. Some 10.5% of medical card holders and 0.5% of non-medical card holders were edentulous. Conclusions: The data from the survey indicated that medical card holders in Galway were more likely to be edentulous than nonmedical card holders. Edentate patients were less likely to be regular dental attenders than dentate patients.
Forensic dentistry in Cork: a look at the past three years
(2013-11) Brady, Paul; Hayes, Martina
An important role of the forensic dentist is in the identification of the deceased. Dental identification has proved to be extremely useful and reliable and is quicker and less expensive than DNA identification. The identification of individuals missing for prolonged periods can bring closure to family members and allow burial of the remains. The objective of this poster is to describe the application of forensic dentistry in Cork University Hospital to identify human remains over a three year period.
Intracranial abscess secondary to dental infection
(Irish Dental Association, 2014-02) Brady, Paul; Bergin, Sarah; Cryan, Bartley; Flanagan, Oisin
We report a case of Aggregatibacter actinomycetemcomitans (A.actinomycetemcomitans) bacteraemia and secondary brain abscess in a patient where periodontal disease was implicated as the probable source.
Clinical evaluation of narrow platform RoxolidTM implants in patients with hypodontia at 1 year
(2014-04) Allen, P. Finbarr; Anweigi, Lamyia M.; Brady, Paul; Sleeman, Duncan
Congenital absence of teeth, commonly known as hypodontia, has a reported prevalence of between 2 and 6%. It presents many clinical challenges, and it has a significant impact on psycho-social well being of patients. A typical presentation of mild hypodontia is shown in Figure 1. Rehabilitation of these patients with implants is complicated by small bone volume, and it requires multi-disciplinary input. Potential sites for implants in the anterior maxilla are compromised by low bone volume. A novel narrow implant made with TiZr alloy, RoxolidTM (Straumann AG), has been developed which offers the potential to place implants in these patients with minimal or no requirement for bone augmentation surgery.

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