我们在临床上常可见到,经牙髓治疗后的牙齿发生了纵折劈裂,使治疗前功尽弃而不得不作拔牙处理。那么为什么会发生牙折呢?这与牙齿咀嚼时所承受的咬(牙合)压力有关。大家一定记得杂技演员“咬花”空中飞人的精彩表演吧,惊奇之后令人羡慕不已。其实,我们普通人牙齿的咬(牙合)力量也是很大的。据测定:成人后磨牙的垂直咬 We can often be seen clinically, after tooth pulp treatment of the longitudinal split occurred in the fracture, the treatment had to give up and had to do for tooth extraction treatment. So why tooth creases happen? This is related to the pressure on the teeth during chewing. We must remember acrobats “bite flower ” trapeze outstanding performance, after envy envy. In fact, our ordinary teeth bite (occlusal) strength is great. It is determined: the vertical post-molar adult bite