2025 International Congress of the Organisation for Caries Research
(ORCA)

2 - 5 July, Cloth Hall Court
Leeds, UK

Welcome to ORCA 2025 in Leeds

On behalf of the Local Organising Committee we are delighted to invite you to Leeds to attend ORCA 2025.

With a large selection of oral and poster presentations, along with an exhibition from our industry partners, this will be a conference you don’t want to miss.

About

2 – 5 July 2025

Cloth Hall Court

Leeds, UK

Who attends ORCA?

Clinicians

Renowned experts and clinicians in the field of cariology and hard tissue research from around the world.

Researchers

Specialists involved in research and teaching in areas related to oral health promotion and to pathologies associated with dental issues.

Institutions

Institutions involved in the provision of oral health services in the framework of public health who want to meet, network and reach prominent experts.

Registration Rates

Early Bird Until 31 March 2025	Standard Until 31 May 2025	Late Until 27 June 2025
ORCA Members £500	ORCA Members £550	ORCA Members £600
Non Members £700	Non Members £750	Non Members £800

ORCA Registration Deadline for Presenters
Final registration for delegates presenting at ORCA must be completed (including payment online) by Friday 9 June 2025 - 23.59 GMT.

ORCA Registration Deadline for Non- Presenters
Final registration for delegates not presenting at ORCA must be completed (including payment online) by Friday 27 June 2025 - 23.59 GMT. Please note: unfortunately delegates that register after Tuesday 17 June 2025, will not be able to attend the networking events (Thursday night BBQ or Friday night Gala dinner) or book accommodation as part of their registration as final numbers need confirming by this date.

Please note the IADR General Session will be held in Barcelona, Spain the week before ORCA Leeds (from 25 - 28 June 2025). Barcelona is approximately 2½ hours flying time from the UK, so you may wish to attend both IADR and ORCA consecutively.

About the Conference

About ORCA

The Organisation for Caries Research or ORCA in acronym is a scientific organisation which promotes oral health through scientific research in the field of Cariology.

About Leeds

The unofficial capital of Yorkshire, Leeds is bursting with life and cultural energy. It is the largest city in Yorkshire located in the eastern foothills of the Pennines.