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Classifications employed to measure dental caries should first of all reflect the dynamics of the disease, in order to provide a solid basis for subsequent treatment decisions and for further monitoring of dental health of individual patients and populations. The contemporary philosophy of dental caries management implies that nonoperative treatment of caries lesions should be implemented whenever possible, limiting operative interventions to the severe and irreversible cases. The ORCA Saturday Afternoon Symposium 2016, held back-to-back to the 63rd ORCA Congress in Athens, Greece, was intended to provide an update on general requirements for clinical caries diagnosis and to overview caries diagnostic classifications including their rationale, validation, advantages, and limitations. Clinical caries diagnostic criteria and caries management outcomes are interrelated, and any diagnostic classification disregarding this concept is outdated, according to the current understanding of oral health care. Choosing clinical caries diagnostic classifications that assess the activity status of detected lesions should be a priority for dental professionals since these classifications favor the best clinical practice directed towards nonoperative interventions. The choice of clinical caries diagnostic classifications in research, in clinical practice, and in public health services should be guided by the best available scientific evidence. The clinical caries diagnostic classifications should be universally applicable in all these fields. Policy making in oral health care and the underlying policy analyses should follow the same standards. Any clinical caries diagnostic classification disregarding the universality of its use is of limited or no interest in the context of the clinical caries diagnosis of today. [ABSTRACT FROM AUTHOR]

This section provides abstracts of papers that will be presented at the 58th Annual ORCA Congress in Kaunas, Lithuania, from July 6 to 9, 2011, including papers on fluoride, epidemiology and dental caries.

The article offers information on the 57th European Organisation for Caries Research (ORCA) Congress 2010 to be held in Montpellier, France from July 7 to 10.

This article presents news about the European Organisation for Caries Research (ORCA) as of September 2006. The details of the 54th ORCA Congress is provided. Brian Clarkson, member of the ORCA Board, was presented the ORCA-Zsolnay Prize 2006. Information on the ORCA Conference Travel Fellowships is given.

The article offers updates related to the European Organization for Caries Research (ORCA) as of 2002. It offers information on the 50th Annual ORCA Congress which will be held in Konstanz, Germany on July 2-6, 2003. The ORCA-Zsolnay Prize for 2002 was awarded to Professor John D.B. Featherstone. Also, it offers information on the ORCA Summer School in Brazil which will be held on May 2-5, 2004.

No abstract available [ABSTRACT FROM AUTHOR]

No abstract available [ABSTRACT FROM AUTHOR]

The article offers information on the 60th European Organisation for Caries Research (ORCA) Congress that will be held in Liverpool, England, from July 3 to 6, 2012.

This section offers information on activities of the European Organization for Caries Research (ORCA) including the 59th Annual ORCA Congress 2012 which will be held in Cabo Frio, Brazil from June 26-29, an invitation for the 2012 ORCA Prizes, and the availability of the ORCA Conference Travel Fellowships.

The article presents several announcements from the European Organisation for Caries Research (ORCA) in 2011 including the 58th Annual ORCA Congress in Lithuania, the nominations for the 2011 ORCA Prize and the awarding of the 2010 Young Investigator's Award to Nadine Schlueter of Justus-Liebig-University.

The article presents conference papers about dental caries, presented at the 56th ORCA Congress in Budapest, Hungary, on July 1-4, 2009. Studies presented include "Versatility of Number of Functioning Teeth as Oral Health Status Indicator in Different Age Populations," "A New Quantitative Summative Dental Treatment Need Index for Assessment of Dental Treatment Need," and "Plaque and Caries (ICDAS-II) Status in 3-Year-Old Children in Villavicencio, Colombia."

The article offers information on the European Organisation for Caries Research (ORCA), including the 56th ORCA Congress which will be held in Budapest, Hungary from July 1-4, 2009, the ORCA-Zsolnay Prize awarded to Doctor Helen Whelton and the ORCA Conference Travel Fellowships.

The article offers information on the 55th Annual European Organisation for Caries Research (ORCA) Congress to be held in Groningen, Netherlands on June 25-28, 2008.

Presents information on the 53rd ORCA Congress on July 5 to 8, 2006 in Glasgow, Scotland. Registration; Instructions for authors of abstracts; Call for nominations for the ORCA-Zsolnay Prize 2006.

The article offers information on the Summer School 2000 conference by the European Organization for Caries Research, entitled "Research Methodology for Behavioural Interventions in Caries Prevention," which will be held in Alghero, Sardinia on July 2-3, 2000.

This symposium report evaluates the achievements made in caries diagnostic research since the previous symposium held in 1992. The symposium aimed at presenting the state of the art of caries diagnostic methods, on presenting the links between caries diagnosis and subsequent treatment decisions and their effect on the treatment outcomes, particularly the quality of dental care. The variation among dentists in diagnosing (small) caries lesions and in treatment decision making is considerable. This has been explained by the imperfection of caries decision making tests, but also by making incorrect treatment decisions due to incorrect or partial understanding of diagnostic test parameters. Meta-analyses into the performance of caries diagnostic tests revealed that the available quantitative methods are very promising. It was concluded that these methods had high correlations with lesion depth. They were considered suitable to monitor small changes in lesions. Many obstacsel have been experienced in attempting to transfer the outcomes of diagnostic research into clinical practice and it was concluded that caries diagnosis researchers should co-operate with manufacturers to introducing valid new diagnostic tools to the market. Main research priorities for the coming 10 years are to conduct cost-effectiveness and cost-utility studies of caries diagnostic tools, to continue to review the performances of diagnostic tests, to transfer diagnostic knowledge and experience to the general practitioners particularly by constructing evidence-based clinical guide-lines, to study the relationship between diagnosis and treatment decision, and to assess the effect of diagnostic and treatment decisions on the outcome of care. [ABSTRACT FROM AUTHOR]