23070
Sodium fluoride ( NaF ) is widely used for the treatment of dental caries and dentin hypersensitivity .
 Chemical: Sodium fluoride; Chemical: NaF
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: Sodium fluoride; Chemical: NaF