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Biomedical subjects

A Blinkhorn

Publications and source records attributed to A Blinkhorn.

11 recordsLinked to original sources

Socioeconomic and geographical influences on primary dental care preferences in a population of young children.

OBJECTIVE: To compare the socioeconomic profiles of children registered in the GDS, with those using the CDS services and unregistered children. Secondly to examine the effects of socioeconomic status on travelling to access primary dental care, and finally to map out the location of unregistered children in relation to primary dental care services. SETTING: The study was carried out in 1998 in Ellesmere Port in the North West of England. SUBJECTS AND MATERIALS: The study population was all children younger than 6 years who used primary dental care services in, or were residents of, Ellesmere Port. The study population was categorized into those registered with a GDS dentist, those using CDS services and those unregistered by matching GDS and CDS data to the HA population register. Socioeconomic status was measured using the Super Profiles geodemographic classification. The relationship between service preferences and travelling to access primary dental care with socioeconomic status were compared using cross-tabulations and chi square tests. RESULTS: There was a significant socioeconomic trend evident in the use of dental services. Two thirds of those using CDS services came from the most deprived area types. Of those who were unregistered half lived in the most deprived area types compared with one third of those registered with the GDS. Those who travelled into Ellesmere Port to access primary dental care were significantly more likely to live in an affluent area. Unregistered patients were homogeneously spread across the town. CONCLUSIONS: The ability to match GDS and CDS data to the HA population register is essential to understand how dental services are used by the local population. Children from deprived areas are more likely to use the CDS and a service local to their homes, therefore primary dental care services for deprived communities have to be provided locally.

Case-Control Studies↗

The effects of socioeconomic status and dental attendance on dental caries' experience, and treatment patterns in 5-year-old children.

OBJECTIVE: To compare the dental caries' experience and treatment received by 5-year-old children registered with a GDP. DESIGN: Retrospective case note review of all 5-year-old children registered with seven GDPs. SETTING: The study was carried out in 1996/7 in Wirral and North Cheshire in the north west of England. SUBJECTS AND MATERIALS: Clinical, demographic and attendance data were collected from each practice using a common data abstraction form. Subjects were categorised according to regular/irregular attenders, and into five groups ranging from affluent to deprived using the Super Profiles geodemographic classification. The relationships between disease experience, treatment, attendance and socioeconomic status were compared using cross-tabulations, t-tests and multiple linear regression. RESULTS: The dental records of 430 5-year-old children were available for analysis. Irregular attenders had significantly higher dmft, dt and mt, and fewer filled teeth. Only 29% of disease experience of regular attenders was treated by restoration. Both socioeconomic status and visiting behaviour exerted significant independent effects on dmft, but dental attendance alone had a significant effect on ft. CONCLUSIONS: Significant inequalities remain in the disease experience and service use of young children. Regularly attending children have less than a third of their diseased teeth restored. Consensus is needed across the profession on the care of the diseased deciduous dentition.

Child, Preschool↗

Dental health services research: what is it and does it matter?

Dentists working in the National Health Service offer an efficient service. However, changes in medical and dental technologies require all of us to monitor the effectiveness of both established and new treatments. Our clinical practices should become 'research laboratories' and we must grasp this opportunity to keep dentistry at the forefront of investigations into clinical care.

Cost-Benefit Analysis↗

A method of estimating tooth life expectancy.

One of the most important outcome measures for dental services is the increase in tooth life expectancy which is brought about by the interventions provided. Thus, a convenient and accurate index of tooth survival is critical both to clinical decision making and to more general assessments of public dental health policies. This paper describes a simple method of approximating tooth life expectancy (TLE). The method is based on the assumption that tooth survival follows a simple declining exponential function. Assuming a constant mortality rate, TLE is the integral of the survival function, expressed as S(t) = e-mu t, where t is time and mu the constant mortality rate. Using 3-year tooth-specific mortality rates for 491 subjects aged 50 years or more, tooth-specific life expectancies for the population as a whole where found to range from 27 years for upper canines to 71 years for lower incisors. Individuals with a mean periodontal attachment loss greater than 4 mm and people on low incomes had significantly lower tooth life expectancies than their periodontally fit and more wealthy counterparts. This technique can be used to obtain disease-specific or intervention-specific tooth life expectancies. Thus, gains in TLE for individuals with different oral, social and behavioural characteristics can be calculated. The declining exponential approximation of tooth life expectancy has the potential to become a powerful tool in the evaluation of dental services and treatments.

Cuspid↗

DHE in the classroom.

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Health Education, Dental↗