6164
While both , Src ( - / - ) and oc / oc mice , were characterized by defects of molar root formation , only oc / oc mice displayed a severe defect of dentin mineralization , similar to Hyp ( - / 0 ) mice .
 None
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities:  
Answer:
 None