Conclusion Traumatic occlusal force was the major factor that led to cracked-teeth, cusp inclination was a susceptible factor that resulted in cracked-teeth, and structural weak areas and develo...

• 结论创伤性(牙合)力是牙隐裂的重要致病因素,牙尖斜面是隐裂发生的易感因素,牙齿本身结构薄弱区和发育缺陷是牙隐裂发生的内在条件。