Rahn R, Kocjancic B, Urban T, Manegold R
ZWR. 1989 Aug;98(8):701-3.
50 impacted third molars were surgically removed and each tooth was divided in half. One half of each tooth was irradiated with 60 or 120 Gy. Exposure to irradiation did not affect the hardness of enamel or dentin.
50颗阻生第三磨牙通过外科手术拔除,每颗牙齿均被一分为二。每颗牙齿的一半接受60或120戈瑞的辐射。暴露于辐射下并未影响牙釉质或牙本质的硬度。