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Dental and oral health are considered among the main health issues for migrants and refugees, as access to dental health care services is often expensive and difficult. The study investigates dental and oral health determinants among migrants and refugees in 10 European countries (Austria, Bulgaria, Cyprus, France, Germany, Greece, Italy, Malta, Spain, and Sweden), examining how mental health, legal status, discrimination issues and dental services’ use frequency affect dental health. Methods: A cross sectional study using a purpose-made questionnaire was carried out to assess health status and access, with a dedicated section to measure self-perceived dental health, prevalence of caries, last visit to dentist and anticipated access to dental health services. Multivariable logistic regression models were performed to investigate the impact of quality of life, discrimination, immigration status, and other demographic factors on dental health. Results: About half of the sample suffered from poor dental condition and 22% had never visited a dentist. Migrants with higher educational levels had higher odds of having good dental health (OR = 1.08; 95%CI (1.03, 1.12)) and brushing their teeth daily (OR = 1.1; 95%CI (1.04, 1.17)). Higher general and mental health scores were indicative of better dental condition (general health: OR = 1.02; 95%CI (1.01, 1.03); mental health: OR = 1.01; 95%CI (1.004, 1.02)) and higher probability of daily teeth brushing (general health: OR = 1.02; 95%CI (1.01, 1.03); mental health: OR = 1.02; 95%CI (1.01, 1.03)). The possession of any kind of legal immigration permission and not having any children showed similar results. Age and discrimination were correlated with decreased likelihood for good dental conditions. Gender was correlated with daily teeth brushing, as female migrants had higher odds of brushing their teeth daily. Conclusions: Many migrants report poor dental health. Nonetheless, migrants with higher education levels, legal immigration status, better general and mental health, no children, lower sense of discrimination, younger age, and regular dental visits were positively correlated to good dental health (perceived as no dental caries).