畸形中央尖多见于前磨牙,以尤为多见,其次为,磨牙和尖牙少见。在同一病员的颗牙上(例图1)出现畸形中央尖较罕见。现将所见的一例结合文献对其有关问题作简单讨论: Deformity central tip more common in premolar, especially prevalent, followed by molar and canine rare. In the same patient's teeth (Figure 1) appear deformity of the central tip is rare. Now we see the case of a combination of literature on its related issues for a brief discussion: