世卫组织在2017年大幅重新定义了骨水泥发育不良(COD)。2005年和2017年WHO分类中对COD的描述有很大不同。在这项研究中,我们详细比较了2005版和2017版WHO分类中COD描述的差异.在术语上有显著的差异,定义,同义词,流行病学,分类,临床特征,放射/病理学,预后,以及两个版本之间COD的预测因素。目前,COD的手术治疗不太明确,硬化骨的治疗没有明确的指导。在这项研究中,当骨吸收线只能在牙根和病变之间找到时,我们拔除患牙而不去除硬化骨,当在病变和牙槽骨之间可以看到骨吸收线时,我们拔除了牙齿和病变,并刮除了肉芽组织。根据我们的观察,骨吸收线的位置可以作为选择硬化骨治疗的参考。拔牙后保留硬化骨不会增加其体积和密度。硬化骨由高度矿化的组织组成,血管和细胞较少。骨吸收线的位置可以用作治疗选择的基础。病变的高矿化可能会削弱其抗感染能力。
The WHO substantially redefined cemento-osseous dysplasia (COD) in 2017. The descriptions of COD in the 2005 and 2017 WHO classifications are quite different. In this study, we compared the difference in COD description between the 2005 and 2017 editions of the WHO classifications in detail. There are remarkable differences in the terminology, definition, synonyms, epidemiology, classifications, clinical features, radiation/pathology, prognosis, and predictive factors of COD between the two versions. At present, the surgical treatment of COD is less defined, and there is no clear guidance for the treatment of sclerotic bone. In this study, we extracted the affected teeth without removing the sclerotic bone when the bone absorption line can be only found between the root and the lesion, and we extracted the teeth as well as the lesion and curetted the granulation tissue when a bone absorption line could be seen between the lesion and the alveolar bone. According to our observation, the position of the bone absorption line can be used as a reference for the selection of sclerotic bone treatment. Sclerotic bone preservation did not increase its volume and density after tooth extraction. Sclerotic bone was composed of highly mineralized tissue with less blood vessels and cells. The position of the bone resorption line can be used as a basis for treatment selection. The high mineralization of the lesion may weaken its anti-infection ability.