A model to meet the strategic information needs of dentistry in England.
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Biomedical subjects
Publications and source records attributed to M Tickle.
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OBJECTIVE: To evaluate the performance in the United Kingdom of an instrument to measure the subjective impact of oral conditions; that is, the functional restrictions and symptoms, as well as the disability and disadvantage experienced as a result of oral problems. BASIC RESEARCH DESIGN: The instrument tested was the Subjective Oral Health Status Indicators (SOHSI) that consists of a battery of eight subjective indicators and which has been developed and tested in Canada. A questionnaire containing these indicators was administered by post to two random samples of two hundred and fifty residents aged 60-65 years, one from an affluent and one from a deprived electoral ward in Liverpool. MAIN OUTCOME MEASURES: Reliability was assessed as test-retest, and internal consistency using Cronbach's alpha. Construct and concurrent validity were assessed by determining the association between the subjective indicators and dentate status, reported satisfaction and overall subjective assessment of oral health. The constituent concepts of the theoretical model on which the instrument is based were tested by correlating the subjective indicators and the self-reported number of teeth. CONCLUSIONS: The instrument was found to be reliable both in terms of test-retest reliability and internal consistency. It also demonstrated satisfactory construct and concurrent validity. Correlations between self-reported number of teeth and the subjective indicators confirm the strength of the theoretical model on which the instrument was based and provide further evidence of the content validity of this composite measure.
The first paper gave an overview of the issues concerning clinical effectiveness and primary dental care. However, the rise of evidence-based health care has the potential to increase as well as control costs. With the demands on health care ever increasing, the costs of interventions as well as their benefits must be assessed concurrently. This is the area covered by the science of health economics, which will play an increasing role throughout all health services as an aid to prioritising the deployment of resources. It is inevitable, therefore, that the theories and methods of health economics will affect the delivery of primary dental care in the future.
Self-report postal questionnaires have been advocated as an efficient means of collecting local data on adult oral health needs. The aim of this study was to compare the response from deprived and affluent communities and examine a method for the detection and compensation of non-response bias. An oral health status questionnaire was administered by post to random samples of older residents from affluent and deprived electoral wards. The survey was conducted in three distinct stages to increase the response rate and to quantify the effects of non-response. A response of 59.6 per cent was achieved from the deprived ward and 77.7 per cent from the affluent ward, this difference was statistically significant. The response rate compared favourably with contemporary national and international studies of oral health using postal survey methods. The pattern of response over the three stages was used to detect the presence and direction of non-response bias. This analysis showed evidence of non-response bias for only one variable of interest, for which an estimated prevalence value was calculated.
We report an unusual presentation of orofacial actinomycosis mimicking the clinical appearance of a minor salivary gland tumour of the upper lip. Histological examination confirmed the diagnosis and we think that the lesion was caused by infection of a mucocele of the upper lip by Actinomyces israelii, an oral commensal.
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OBJECTIVE: To identify the type of restorative materials used in general dental practice and their effects on the outcomes of restorative treatment of primary teeth. METHOD: The study involved a retrospective investigation of case notes of 677 child patients of 50 general dental practitioners (GDPs) in the northwest of England. The history of dental care received by each child during the primary dentition period was recorded. The type of restorative material used and the number of times that each tooth was restored were recorded. The proportion of primary teeth that were extracted due to pain or sepsis was calculated according to whether they were filled by amalgam or glass ionomer, or were left unfilled. RESULTS: Of the treated teeth, 61% of first and 55% of second primary molars were restored with glass ionomer. Some 27.4% of first molars restored with amalgam required repeat restorations, compared with 42.5% of those filled with glass ionomer. The difference was highly significant (p<0.001). For all primary molar teeth, there was no difference in the proportion of extractions, according to the type of restorative material used or if carious teeth were left unrestored. CONCLUSIONS: In the hands of GDPs, glass ionomer restorations are used most commonly and are significantly more likely to require replacement than amalgam restorations. The type of restorative material used had no influence on outcomes.