Table II.

Rarely reported COVID-19 oral manifestations.

Author	Type of study	COVID-19 oral manifestations
Carreras-Presaset et al. (2021) 34	Case report	Pain of palate, pain of tongue, small ulcers on the palate, blisters, desquamative gingivitis
Soares et al. (2020) 35	Case report	Ulcerated lesion and reddish macules on the hard palate, tongue and lips
Ciccarese et al. (2020) 36	Case report	Erosions, ulcerations and blood crusts on lips; palatal and gingival petechiae
Amorim Dos Santos et al. (2020) 37	Case report	Persistent white plaque and multiple ulcers on the tongue dorsum
Patel et al. (2020) 38	Case report	Necrotising periodontal disease