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    [Show abstract] [Hide abstract] ABSTRACT: Objectives The aim of this study was to establish the success in calibrating dental students in the use of the Index of Orthodontic Treatment Need (IOTN). Design Single-centre, evaluation of teaching study. Setting University department, UK, 2013. Subjects and method Third-year dental students were divided into four groups and received IOTN instruction via clinical and non-clinical teaching over a three-month period. This was followed by a calibration exercise where the whole year assessed 30 study models for orthodontic treatment need using the dental health component (DHC) and modified aesthetic component (AC) of the IOTN. Main outcome measures Student IOTN scores were compared to a gold standard using kappa statistics (κ). Results Results showed that although substantial agreement was achieved in both the DHC (κ = 0.65) and a modified AC (unweighted κ = 0.63), the year only calibrated successfully in the DHC. Conclusion Third year dental students taught at Cardiff University applied the DHC of IOTN better than the AC.
    Full-text · Article · Nov 2013 · British dental journal official journal of the British Dental Association: BDJ online
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    [Show abstract] [Hide abstract] ABSTRACT: The front covers of the current volume of the British Dental Journal (Volume 215) feature drawings by children participating in the Welsh national oral health improvement programme - Designed to Smile. This programme involves 78,350 children in the Principality, who are deemed at greatest risk of tooth decay, participating in daily toothbrushing in 1,211 nurseries and schools. It mirrors the Childsmile programme in Scotland. Since devolution in 1999, approaches to oral health improvement across the United Kingdom have diverged. This article considers the way in which population-based policies with regards to fluoride use have varied between countries.
    Preview · Article · Jul 2013 · British dental journal official journal of the British Dental Association: BDJ online
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    [Show abstract] [Hide abstract] ABSTRACT: To determine whether facial morphology is associated with fasting insulin, glucose and lipids independent of body mass index (BMI) in adolescents. Population-based cross-sectional study. Avon Longitudinal Study of Parents and Children (ALSPAC), South West of England. From the ALSPAC database of 4747 three-dimensional facial laser scans, collected during a follow-up clinic at the age of 15, 2348 white British adolescents (1127 males and 1221 females) were selected on the basis of complete data on cardiometabolic parameters, BMI and Tanner's pubertal stage. Fasting insulin, glucose and lipids (triglycerides, high-density lipoprotein cholesterol (HDLc) and low-density lipoprotein cholesterol (LDLc)). On the basis of the collection of 63 x, y and z coordinates of 21 anthropometric landmarks, 14 facial principal components (PCs) were identified. These components explained 82% of the variation in facial morphology and were used as exposure variables. With adjustment for age, gender and pubertal stage, seven PCs were associated with fasting insulin, none with glucose, three with triglycerides, three with HDLc and four with LDLc. After additional adjustment for BMI, four PCs remained associated with fasting insulin, one with triglycerides and two with LDLc. None of these associations withstood adjustment for multiple comparisons. These initial hypotheses generating analyses provide no evidence that facial morphology is importantly related to cardiometabolic outcomes. Further examination might be warranted. Facial morphology assessment may have value in identifying other areas of disease risk.
    Full-text · Article · May 2013 · BMJ Open
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Communications in Nonlinear Science and Numerical Simulation 03/2014; 19(3):417–430. DOI:10.1016/j.cnsns.2013.07.017
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