### Clue: Impress with one's effort putting on crown, for example (9)
### Answer: DENTISTRY 
 ### Explanation: Definition: putting on crown, for example
 DENT(to impress;to make depression in a surface) **plus**(with) I(Roman numeral for "one") 'S TRY(an effort;an attempt).
Answer: The branch of medicine that includes putting a crown on your damaged tooth.