“…In these studies, candidosis, fibrous inflammatory hyperplasia, traumatic ulcer, and angular cheilitis were the most prevalent lesions. In other countries, oral health data of elderly population have also been collected, such as in Chile 8 , Argentina 9 , Canada 10 , England 11 , Spain 12,13 , Finland 14,15 , Germany 16 , Thailand 17 , China 18,19 , Israel 20,21 , and South Africa 22 . All of these studies have examined the oral mucosal conditions of elderly people based on clinical diagnosis.…”