OBJECTIVE: To describe the main oral manifestations in patients with COVID-19. METHOD: This is an integrative review carried out in the VHL and MEDLINE / Pubmed databases, in which scientific articles were included in Spanish and English until the period of September 2020. RESULTS: The main manifestations related to COVID-19 were: fungal infections, recurrent infection of the herpes simplex virus (HSV-1), nonspecific oral ulcerations, fixed drug eruptions, dysgeusia, dry mouth linked to decreased salivary flow and gingivitis - as a result of impaired immune system and / or susceptible oral mucosa. CONCLUSION: The importance of a thorough clinical examination by the dentist for the diagnosis and treatment of these oral changes is emphasized.