Year	Venue	Theme
1971	Göteborg
1972	København
1973	Aarhus
1974	Oslo
1975	Helsinki
1976	Bergen
1977	Stockholm
1978	København
1979	London (BSOP)
1980	Malmö
1981	Göteborg (IAOP)
1982	Kuopio
1983	Stockholm	Dysplasia
1984	Amsterdam (IAOP)
1985	Turku	Non-odontogenic lesions of the jaw bones
1986	Edinburgh (IAOP)
1987	København
1988	Umeå	Peripheral odontogenic tumors
1989	Oslo	Viral infections
1990	Aarhus	Lymphomas
1991	Helsinki
1992	Hamburg (IAOP)
1993	Bergen	Salivary gland tumors
1994	York (IAOP)
1995	Malmö	Verrucous carcinoma and related lesions
1996	Turku	Salivary gland tumors with fine needle aspiration biopsy
1997	Göteborg	Pseudosarcomatous lesions
1998	Stockholm	Oral manifestations of systemic disease
1999	København	Odontogenic lesions
2000	Oslo	Precancerous lesions
2001	Helsinki	Salivary gland lesions
2002	Umeå	Cysts and cystic tumors of the maxillofacial and oral regions
2003	Bergen	Fibro-osseous lesions
2004	Madrid (IAOP)
2005	Oulu	Spindle-cell lesions
2006	Malmö	Clear-cell tumors
2007	Leiden	Oral cancer and precancer
2008	København	WHO cases of odontogenic tumors
2009	Stockholm	Vesiculobullous diseases
2010	Tromsø	Non-odontogenic mesenchymal lesions
2011	Turku	Lymphoid lesions
2012	Oslo	Salivary gland tumors
2013	Umeå	White lesions
2014	Istanbul (IAOP)
2015	Malmö	Differential diagnostics
2016	Helsinki	Vascular malformations
2017	Cardiff (BSOMP)
2018	Bergen	Inflammatory oral diseases
2019	København	Non-odontogenic bone tumors
2020	Canceled	Covid 19
2021	On-line	Problem- and rare cases
2022	Kuopio	Syndromes
2023	Göteborg	Pigmentations
2024	Oslo	Pediatric lesions
2025	Turku	Bone and radiology