The greatest mesial tipping was observed in the lower second molars.The greatest distal tipping was observed in the lower lateral incisors.

• 下颚除正门齿与侧门齿以外，其他牙齿皆为近心倾斜，最大近心倾斜为第二大臼齿，最大远心倾斜则为侧门齿。