Is the current access to health information helping or hindering effective decision-making for dentists and patients?...

With the introduction of the Internet there has been a growth both in the quantity and accessibility of information to the public concerning health issues. This improved availability of information does not always lead to a more informed public since there is no quality control of information but it can lead to a public that takes a more active role in their own health and thus is involved in shared decision-making. In order to develop a more informed public in the future, systems for quality control of information have been addressed. These systems can range from the present state of uncontrolled information (no quality control) to full-centralised control (censored information). Between these extremes lie two, more appropriate, decentralised filtering approaches--'upstream filtering' (where third parties set quality criteria and evaluate information) and 'downstream filtering' (where data are rated, labelled and weighted according to consumers' criteria). These systems of filtering are discussed along with recommendations for those using the Internet as a source of information. The paper also documents reliable sources of information for the public, highlights the current concepts of shared decision-making, and provides some guidelines for developing an effective decision-making strategy.