dentition vs serration

dentition

noun
  • The set of natural teeth of an individual 

  • An arrangement in an organism or object of projections that resemble teeth 

  • The process of growing teeth; teething 

  • The type, number and arrangement of the normal teeth of an organism or of the actual teeth of an individual 

serration

noun
  • A set of teeth or notches. 

  • One of the teeth in a serrated or serrate edge. 

  • The state of being serrated. 

How often have the words dentition and serration occurred in a corpus of books? (source: Google Ngram Viewer )