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Of 16 oral mucosal lesions studied histologically , 15 represented fibroepithelial or epithelial hyperplasias and were reactive in nature .
 oral mucosal lesions, fibroepithelial or epithelial hyperplasias
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Disease 
Text: {0} 
Answer:
 oral mucosal lesions, fibroepithelial or epithelial hyperplasias