Overview of health care systems
The World Health Organization defines a health care system as: . . . all organizations, people and actions whose primary intent is to promote, restore or maintain health. This includes efforts to influence determinants of health as well as more direct health-improving activities. . . . . . . (WHO 2007) . . . Such a definition covers a myriad of potential elements and factors, of which the dental element is but one. A health care system is not static: it evolves as part of the more general social and welfare arrangements in a society. As a member of a health care profession, all dental care providers need to have an appreciation of the wider aspects of any arrangements of health, its determinants, and care delivery, if only to understand how the pressures on a system may impact on their current and future activities. This chapter provides an overview of health care systems and provides the framework for Chapters 18–23. Health care systems are complex organizations that are in a constant process of change and evolution. Dentistry is one very small component of the wider health care system, which is itself part of the overall social welfare system within society. Dentists, as health professionals, need to understand the basic elements of the health care system within which they are working. The development of health care systems is an ongoing process in which all societies try to meet the health needs of its citizens. There is no society that has yet designed a system that meets the needs of all its citizens. Indeed, historically in many countries it was only the wealthy that were able to access health care in a society. As societies evolved, the pressures to make the health care system accessible to all its members grew. Mays (1991) has highlighted the political importance of health care, showing that many health care systems reforms were designed to prevent political instability and improve the fitness of army recruits. Indeed, the development of the then School Dental Service in the UK was brought about following questions in Parliament about the poor state of soldiers’ teeth in the Boer War.