correction of labial frenum

例句：

1. 1. The dentist performed a correction of thelabial frenum during the procedure.
   牙医在手术中进行了唇系带的纠正。
2. 2. After the surgery, the patient wasadvised to correct the labial frenumimmediately.
   手术后，患者被建议立即纠正唇系带。
3. 3. The doctor explained that the correctionof the labial frenum is crucialfor proper lip function.
   医生解释说，纠正唇系带对正常的嘴唇功能至关重要。