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电离辐射对成人牙齿的效应有很多报告,通常有广泛颈龋和牙实质的碟状缺损,而切缘或咬合面受累则少见,这些损害主要是由于唾液的功能和成分改变所致。辐射对发育中牙齿的不良影响报告不多,其后果依照射剂量和病人在照射时的年龄(指牙齿发育的阶段)而定,它包括牙胚破坏与牙齿发育障碍、全口牙或牙根停止生长、钙化不全、尖端早闭、早出、直根与尖端压缩及延迟发育。而这类牙的组织学特征少有报导。
There are many reports of the effects of ionizing radiation on adult teeth, usually with extensive cervical caries and disc-like defects of the dentin, whereas rarer or occlusal involvement is rare, mainly due to changes in saliva function and composition. The adverse effects of radiation on developing teeth are poorly reported. The consequences depend on the dose of radiation and the age of the patient at the time of irradiation (referring to the stage of tooth development), which includes damage to the tooth germ and impaired development of the teeth, Growth, incomplete calcification, cutting-edge early apical, early-out, straight root and tip compression and delayed development. Histological characteristics of such teeth are rarely reported.