President of ORCA,
Joana Carvalho, Belgium


The European Organisation for Caries Research or ORCA in acronym is a scientific organisation which promotes oral health through scientific research in the field of Cariology. In 1953, ORCA was founded as an international organisation based in Europe and since then it has been brought together dental professionals from all around the world.

Read more: history, mission, working in partnership, etc.

Please use this website to inform yourself about our organisation. ORCA members can also login to the member section in order to use online exclusive functionalities. Non-members should have a look at the membership information site.

Current ORCA related news

July 2018
A new ORCA publication is now available: Please access the paper from the ORCA Workshop on methodologies to determine potentially available fluoride in toothpastes at:

May 2018
The abstracts to be presented in the next ORCA meeting have been published in Caries Research.
Please follow the link:

March 2018
ORCA Summerschool 2018 information now online.

January 2018
The registration to the next ORCA congress is now open! Please visit for more information.

Are you interested in becoming an ORCA member and register to the ORCA meetings at the member rate? Please note the deadlines for your application:

  • For the early bird registration fee (March 31st), please submit your application until March 1st, 2018
  • For the regular registration fee, please submit your application until May 1st, 2018


June 2017

This year, at the ORCA opening ceremony, Prof. Anne Aamdal Scheie will
give the keynote lecture: "To be or not to be - in a biofilm"

June 2017

Dear ORCA member, the abstracts to be presented at the next ORCA meeting in Oslo have been published online in Caries Research. Please visit


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