Community Dentistry and Oral Epidemiology

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OBJECTIVES: We re-envision dentistry's social contract and elaborate on the idea that it is not neutral and free from such things as racism and white supremacy and can act as a tool of oppression. METHODS: We critique social contract theory through examination of classical and contemporary contract theorists. More specifically, our analysis draws from the work of Charles W. Mills, a philosopher of race and liberalism, as well as the theoretical and praxis framework of intersectionality...

Once a while, disease classifications have needed revision because new knowledge has accumulated, and new technologies and better treatments have emerged. Changes made to disease classifications should be trustworthy and openly justified. The periodontitis definition and classification system was changed in 2017 by the 'World Workshop on the Classification of Periodontal and Peri-Implant Diseases and Conditions'. The workshop, comprising clinicians and researchers, resulted in the production of a 23-article special issue that introduced the new definitions and classifications of periodontitis...

OBJECTIVES: Oral health inequalities exist worldwide, and cross-country comparisons can provide valuable insights into country-level characteristics contributing to such inequalities. However, comparative studies in Asian countries are limited. This study examined the magnitude of education-related oral health inequalities in older adults in Singapore and Japan. METHODS: Longitudinal data for older adults, aged ≥65 years, from the Panel on Health and Ageing of Singaporean Elderly (PHASE; 2009, 2011-2012, and 2015) and Japan Gerontological Evaluation Study (JAGES; 2010, 2013, and 2016) were used...

INTRODUCTION: To investigate factors associated with suicidal ideation and suicide attempts amongst Australian dental practitioners. METHODS: A self-reported online survey of 1474 registered dental practitioners in Australia was conducted from October to December 2021. Participants reported thoughts of suicide in the preceding 12 months, prior to the preceding 12 months and prior suicide attempts. RESULTS: Overall, 17.6% reported thoughts of suicide in the preceding 12 months, 31...

OBJECTIVES: Aboriginal and Torres Strait Islander communities in remote parts of Australia are some of the most underserviced communities in regard to oral health care. These communities rely on volunteer dental programmes such as the Kimberley Dental Team to fill the gaps in care, however, there are no known continuous quality improvement (CQI) frameworks to guide such organizations to ensure that they are delivering high-quality, community-centred, culturally appropriate care. This study proposes a CQI framework model for voluntary dental programmes providing care to remote Aboriginal communities...

While the oral health status of the United States (U.S.) population has improved over the years, racial/ethnic inequities are pervasive with Black Americans carrying a greater burden of oral diseases in most measured outcomes. Access to dental care is a major structural determinant of oral health inequities rooted in structural racism. From post-Civil War-era to present day, this essay presents a series of examples of racist policies that have shaped access to dental insurance for Black Americans both directly and indirectly...

OBJECTIVE: The objective of the study was to evaluate how gender, socioeconomic position (SEP), race/ethnicity and nationality intersect to structure social inequalities in adult oral health among American adults. METHODS: Data from adults aged 20 years or over who participated in the National Health and Nutrition Examination Survey (NHANES) 2009-2018 were analysed. The outcomes were poor self-rated oral health and edentulism among all adults (n = 24 541 and 21 446 participants, respectively) and untreated caries and periodontitis among dentate adults (n = 16 483 and 9829 participants, respectively)...

INTRODUCTION: Water fluoridation is an effective measure to prevent dental caries. In Japan, artificial water fluoridation is not implemented, and tap water natural fluoride concentration geographically differs because of various soil natures. This study aimed to examine the association between tap water natural fluoride and parent-reported experience of dental caries in children. METHOD: Data from the Longitudinal Survey of Newborns in the twenty-first century, a national birth cohort study following all infants born between January 10-17 and July 10-17, 2001, were analysed...

BACKGROUND: Realist methods offer a novel approach to intervention design. Such novelty is needed for effective oral health promotion interventions with people with intellectual developmental disabilities (IDD) and their carers because existing interventions are poorly described and lack theoretical underpinning. In this study, the steps between inception and final intervention development are presented, with an aim to expand understanding of how realist theorizing can be used to develop interventions, and to demonstrate theory-driven intervention development in the field of oral health promotion...

This commentary introduces the field of social behavioural oral health interventions to the multiphase optimization strategy (MOST). MOST is a principled framework for the development, optimization and evaluation of multicomponent interventions. Drawing from the fields of engineering, behavioural science, economics, decision science and public health, intervention optimization requires a strategic balance of effectiveness with affordability, scalability and efficiency. We argue that interventions developed using MOST are more likely to maximize the public health impact of social behavioural oral health interventions...

OBJECTIVES: The field of Behavioural Medicine offers strategies that can minimize the need for more intensive medical treatments and can improve outcomes of these treatments and adherence to medication prescriptions or postsurgical recommendations. Thus, this paper provides scientific evidence and examples of behavioural and motivational strategies for improving adherence to oral health recommendations. METHODS: Increasing evidence from randomized controlled trials suggests that improving self-regulation, autonomous motivation and social environmental supports for adherence are critical for improving a wide range of behaviours including oral health behaviours...

OBJECTIVES: The importance of tackling ongoing dental health inequities, observed both within and across countries, cannot be overstated. Alarmingly, health inequities in some areas are widening, resulting in an urgent need to act. The objective of this commentary is to explore oral health inequities through the lens of behavioral science and discuss adapting evidence based interventions for populations experiencing health inequities. METHOD/RESULTS: The first section of this paper aims to describe the role of health disparities and inequities within oral health, with a specific focus on behaviours...

In the early 2000s, a Scottish Government Oral Health Action Plan identified the need for a national programme to improve child oral health and reduce inequalities. 'Childsmile' aimed to improve child oral health in Scotland, reduce inequalities in outcomes and access to dental services, and to shift the balance of care from treatment to prevention through targeted and universal components in dental practice, community and educational settings. This paper describes how an embedded, theory-based research and evaluation arm with multi-disciplinary input helps determine priorities and provides important strategic direction...

AIM: To explore the priority given by researchers working in the field of behavioural, epidemiological and health services research to key aspects of research in oral health and inequalities. METHOD: Survey of registrants at the Behavioural Epidemiological and Health Services Research group of the International Association for Dental Research (BEHSR/IADR) Summit October 2020. FINDINGS: The highest ranking for priority was given to 'Testing interventions to reducing oral health inequalities', and within this area to the exploration of public health approaches to reducing such disparities...

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Conceptual or theoretical models are crucial in developing causal hypotheses and interpreting study findings, but they have been underused and misused in aetiological research, particularly in dentistry and oral epidemiology. Good models should incorporate updated evidence and clarify knowledge gaps to derive logical hypotheses. Developing models and deriving testable hypotheses in operational models can be challenging, as seen in the four examples referred to in this commentary. One challenge concerns the theoretical validity of the model, while another relates to difficulties in operationalizing abstract concepts...

Oral health behaviour change interventions are gaining momentum on a global scale. After lagging behind other disciplines, oral health behaviour change is becoming an area of fast and important development. Theories used in medicine and healthcare more generally are now being applied to oral health behaviour change with varying results. Despite the importance of using theories when designing and developing interventions, the variety and variation of theories available to choose from create a series of dilemmas and potential hazards...

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Researchers are engaged with producing knowledge. Through this knowledge production, they make claims about the world. For applied health researchers, our knowledge production is both a scientific as well as a moral activity. Increasingly, oral health researchers are turning to qualitative research, a research approach that takes science and morality seriously. Qualitative research pushes researchers to think about the different worlds in which people live and work, and endeavours to generate data that reflect those worlds...