Compounds of 切歯

• 切歯
  (n,adj-no) (1) incisor tooth
  (n,vs) (2) grinding one's teeth
  bruxism
  gnashing of teeth
• 切歯扼腕
  (n,vs) being enraged (indignant, impatient)
  gnashing the teeth and clenching the arms on the breast (in anger or regret)