helix angle of tooth

例句：

1. 1. The dentist measured the angleof the tooth and made a recommendation fortreatment.
   牙医测量了牙齿的角度，并给出了治疗建议。
2. 2. The patient'steeth were severely misaligned, requiringan orthodontic appliance tocorrect the angle of the teeth.
   患者的牙齿严重错位，需要矫正器来纠正牙齿的角度。
3. 3. The angle of the tooth canaffect the bite and chewing efficiency.
   牙齿的角度会影响咬合和咀嚼效率。