crown grafting

例句：

1. 1. The surgeon used a scalpel to perform crown grafting on the patient's tooth.
   外科医生用一把手术刀在病人的牙齿上进行了接骨术。
2. 2. The researcher discovered that crown grafting could be effective in treating certain types of bone fractures.
   研究人员发现，接骨术在某些类型的骨折治疗中是有效的。
3. 3. The patient was advised to avoid activities that might cause further damage to his injured arm after the crown grafting procedure.
   患者在接骨术后被建议避免进行可能进一步损害他受伤手臂的活动。