48398
Most people using fluoridated toothpastes do not require fluoride-containing mouth rinses , rather fluoride mouthwashes are sometimes used in individuals who are at high risk of dental decay , due to dental caries ( " cavities " ) or people with xerostomia .
 disease: xerostomia
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
 Entities: xerostomia 
Answer:
 disease: xerostomia